Merge "upload: Simplify UploadStashTest by using getNewTempFile()"
[lhc/web/wiklou.git] / resources / lib / jquery / jquery.js
1 /*!
2 * jQuery JavaScript Library v3.2.1
3 * https://jquery.com/
4 *
5 * Includes Sizzle.js
6 * https://sizzlejs.com/
7 *
8 * Copyright JS Foundation and other contributors
9 * Released under the MIT license
10 * https://jquery.org/license
11 *
12 * Date: 2017-03-20T18:59Z
13 */
14 ( function( global, factory ) {
15
16 "use strict";
17
18 if ( typeof module === "object" && typeof module.exports === "object" ) {
19
20 // For CommonJS and CommonJS-like environments where a proper `window`
21 // is present, execute the factory and get jQuery.
22 // For environments that do not have a `window` with a `document`
23 // (such as Node.js), expose a factory as module.exports.
24 // This accentuates the need for the creation of a real `window`.
25 // e.g. var jQuery = require("jquery")(window);
26 // See ticket #14549 for more info.
27 module.exports = global.document ?
28 factory( global, true ) :
29 function( w ) {
30 if ( !w.document ) {
31 throw new Error( "jQuery requires a window with a document" );
32 }
33 return factory( w );
34 };
35 } else {
36 factory( global );
37 }
38
39 // Pass this if window is not defined yet
40 } )( typeof window !== "undefined" ? window : this, function( window, noGlobal ) {
41
42 // Edge <= 12 - 13+, Firefox <=18 - 45+, IE 10 - 11, Safari 5.1 - 9+, iOS 6 - 9.1
43 // throw exceptions when non-strict code (e.g., ASP.NET 4.5) accesses strict mode
44 // arguments.callee.caller (trac-13335). But as of jQuery 3.0 (2016), strict mode should be common
45 // enough that all such attempts are guarded in a try block.
46 "use strict";
47
48 var arr = [];
49
50 var document = window.document;
51
52 var getProto = Object.getPrototypeOf;
53
54 var slice = arr.slice;
55
56 var concat = arr.concat;
57
58 var push = arr.push;
59
60 var indexOf = arr.indexOf;
61
62 var class2type = {};
63
64 var toString = class2type.toString;
65
66 var hasOwn = class2type.hasOwnProperty;
67
68 var fnToString = hasOwn.toString;
69
70 var ObjectFunctionString = fnToString.call( Object );
71
72 var support = {};
73
74
75
76 function DOMEval( code, doc ) {
77 doc = doc || document;
78
79 var script = doc.createElement( "script" );
80
81 script.text = code;
82 doc.head.appendChild( script ).parentNode.removeChild( script );
83 }
84 /* global Symbol */
85 // Defining this global in .eslintrc.json would create a danger of using the global
86 // unguarded in another place, it seems safer to define global only for this module
87
88
89
90 var
91 version = "3.2.1",
92
93 // Define a local copy of jQuery
94 jQuery = function( selector, context ) {
95
96 // The jQuery object is actually just the init constructor 'enhanced'
97 // Need init if jQuery is called (just allow error to be thrown if not included)
98 return new jQuery.fn.init( selector, context );
99 },
100
101 // Support: Android <=4.0 only
102 // Make sure we trim BOM and NBSP
103 rtrim = /^[\s\uFEFF\xA0]+|[\s\uFEFF\xA0]+$/g,
104
105 // Matches dashed string for camelizing
106 rmsPrefix = /^-ms-/,
107 rdashAlpha = /-([a-z])/g,
108
109 // Used by jQuery.camelCase as callback to replace()
110 fcamelCase = function( all, letter ) {
111 return letter.toUpperCase();
112 };
113
114 jQuery.fn = jQuery.prototype = {
115
116 // The current version of jQuery being used
117 jquery: version,
118
119 constructor: jQuery,
120
121 // The default length of a jQuery object is 0
122 length: 0,
123
124 toArray: function() {
125 return slice.call( this );
126 },
127
128 // Get the Nth element in the matched element set OR
129 // Get the whole matched element set as a clean array
130 get: function( num ) {
131
132 // Return all the elements in a clean array
133 if ( num == null ) {
134 return slice.call( this );
135 }
136
137 // Return just the one element from the set
138 return num < 0 ? this[ num + this.length ] : this[ num ];
139 },
140
141 // Take an array of elements and push it onto the stack
142 // (returning the new matched element set)
143 pushStack: function( elems ) {
144
145 // Build a new jQuery matched element set
146 var ret = jQuery.merge( this.constructor(), elems );
147
148 // Add the old object onto the stack (as a reference)
149 ret.prevObject = this;
150
151 // Return the newly-formed element set
152 return ret;
153 },
154
155 // Execute a callback for every element in the matched set.
156 each: function( callback ) {
157 return jQuery.each( this, callback );
158 },
159
160 map: function( callback ) {
161 return this.pushStack( jQuery.map( this, function( elem, i ) {
162 return callback.call( elem, i, elem );
163 } ) );
164 },
165
166 slice: function() {
167 return this.pushStack( slice.apply( this, arguments ) );
168 },
169
170 first: function() {
171 return this.eq( 0 );
172 },
173
174 last: function() {
175 return this.eq( -1 );
176 },
177
178 eq: function( i ) {
179 var len = this.length,
180 j = +i + ( i < 0 ? len : 0 );
181 return this.pushStack( j >= 0 && j < len ? [ this[ j ] ] : [] );
182 },
183
184 end: function() {
185 return this.prevObject || this.constructor();
186 },
187
188 // For internal use only.
189 // Behaves like an Array's method, not like a jQuery method.
190 push: push,
191 sort: arr.sort,
192 splice: arr.splice
193 };
194
195 jQuery.extend = jQuery.fn.extend = function() {
196 var options, name, src, copy, copyIsArray, clone,
197 target = arguments[ 0 ] || {},
198 i = 1,
199 length = arguments.length,
200 deep = false;
201
202 // Handle a deep copy situation
203 if ( typeof target === "boolean" ) {
204 deep = target;
205
206 // Skip the boolean and the target
207 target = arguments[ i ] || {};
208 i++;
209 }
210
211 // Handle case when target is a string or something (possible in deep copy)
212 if ( typeof target !== "object" && !jQuery.isFunction( target ) ) {
213 target = {};
214 }
215
216 // Extend jQuery itself if only one argument is passed
217 if ( i === length ) {
218 target = this;
219 i--;
220 }
221
222 for ( ; i < length; i++ ) {
223
224 // Only deal with non-null/undefined values
225 if ( ( options = arguments[ i ] ) != null ) {
226
227 // Extend the base object
228 for ( name in options ) {
229 src = target[ name ];
230 copy = options[ name ];
231
232 // Prevent never-ending loop
233 if ( target === copy ) {
234 continue;
235 }
236
237 // Recurse if we're merging plain objects or arrays
238 if ( deep && copy && ( jQuery.isPlainObject( copy ) ||
239 ( copyIsArray = Array.isArray( copy ) ) ) ) {
240
241 if ( copyIsArray ) {
242 copyIsArray = false;
243 clone = src && Array.isArray( src ) ? src : [];
244
245 } else {
246 clone = src && jQuery.isPlainObject( src ) ? src : {};
247 }
248
249 // Never move original objects, clone them
250 target[ name ] = jQuery.extend( deep, clone, copy );
251
252 // Don't bring in undefined values
253 } else if ( copy !== undefined ) {
254 target[ name ] = copy;
255 }
256 }
257 }
258 }
259
260 // Return the modified object
261 return target;
262 };
263
264 jQuery.extend( {
265
266 // Unique for each copy of jQuery on the page
267 expando: "jQuery" + ( version + Math.random() ).replace( /\D/g, "" ),
268
269 // Assume jQuery is ready without the ready module
270 isReady: true,
271
272 error: function( msg ) {
273 throw new Error( msg );
274 },
275
276 noop: function() {},
277
278 isFunction: function( obj ) {
279 return jQuery.type( obj ) === "function";
280 },
281
282 isWindow: function( obj ) {
283 return obj != null && obj === obj.window;
284 },
285
286 isNumeric: function( obj ) {
287
288 // As of jQuery 3.0, isNumeric is limited to
289 // strings and numbers (primitives or objects)
290 // that can be coerced to finite numbers (gh-2662)
291 var type = jQuery.type( obj );
292 return ( type === "number" || type === "string" ) &&
293
294 // parseFloat NaNs numeric-cast false positives ("")
295 // ...but misinterprets leading-number strings, particularly hex literals ("0x...")
296 // subtraction forces infinities to NaN
297 !isNaN( obj - parseFloat( obj ) );
298 },
299
300 isPlainObject: function( obj ) {
301 var proto, Ctor;
302
303 // Detect obvious negatives
304 // Use toString instead of jQuery.type to catch host objects
305 if ( !obj || toString.call( obj ) !== "[object Object]" ) {
306 return false;
307 }
308
309 proto = getProto( obj );
310
311 // Objects with no prototype (e.g., `Object.create( null )`) are plain
312 if ( !proto ) {
313 return true;
314 }
315
316 // Objects with prototype are plain iff they were constructed by a global Object function
317 Ctor = hasOwn.call( proto, "constructor" ) && proto.constructor;
318 return typeof Ctor === "function" && fnToString.call( Ctor ) === ObjectFunctionString;
319 },
320
321 isEmptyObject: function( obj ) {
322
323 /* eslint-disable no-unused-vars */
324 // See https://github.com/eslint/eslint/issues/6125
325 var name;
326
327 for ( name in obj ) {
328 return false;
329 }
330 return true;
331 },
332
333 type: function( obj ) {
334 if ( obj == null ) {
335 return obj + "";
336 }
337
338 // Support: Android <=2.3 only (functionish RegExp)
339 return typeof obj === "object" || typeof obj === "function" ?
340 class2type[ toString.call( obj ) ] || "object" :
341 typeof obj;
342 },
343
344 // Evaluates a script in a global context
345 globalEval: function( code ) {
346 DOMEval( code );
347 },
348
349 // Convert dashed to camelCase; used by the css and data modules
350 // Support: IE <=9 - 11, Edge 12 - 13
351 // Microsoft forgot to hump their vendor prefix (#9572)
352 camelCase: function( string ) {
353 return string.replace( rmsPrefix, "ms-" ).replace( rdashAlpha, fcamelCase );
354 },
355
356 each: function( obj, callback ) {
357 var length, i = 0;
358
359 if ( isArrayLike( obj ) ) {
360 length = obj.length;
361 for ( ; i < length; i++ ) {
362 if ( callback.call( obj[ i ], i, obj[ i ] ) === false ) {
363 break;
364 }
365 }
366 } else {
367 for ( i in obj ) {
368 if ( callback.call( obj[ i ], i, obj[ i ] ) === false ) {
369 break;
370 }
371 }
372 }
373
374 return obj;
375 },
376
377 // Support: Android <=4.0 only
378 trim: function( text ) {
379 return text == null ?
380 "" :
381 ( text + "" ).replace( rtrim, "" );
382 },
383
384 // results is for internal usage only
385 makeArray: function( arr, results ) {
386 var ret = results || [];
387
388 if ( arr != null ) {
389 if ( isArrayLike( Object( arr ) ) ) {
390 jQuery.merge( ret,
391 typeof arr === "string" ?
392 [ arr ] : arr
393 );
394 } else {
395 push.call( ret, arr );
396 }
397 }
398
399 return ret;
400 },
401
402 inArray: function( elem, arr, i ) {
403 return arr == null ? -1 : indexOf.call( arr, elem, i );
404 },
405
406 // Support: Android <=4.0 only, PhantomJS 1 only
407 // push.apply(_, arraylike) throws on ancient WebKit
408 merge: function( first, second ) {
409 var len = +second.length,
410 j = 0,
411 i = first.length;
412
413 for ( ; j < len; j++ ) {
414 first[ i++ ] = second[ j ];
415 }
416
417 first.length = i;
418
419 return first;
420 },
421
422 grep: function( elems, callback, invert ) {
423 var callbackInverse,
424 matches = [],
425 i = 0,
426 length = elems.length,
427 callbackExpect = !invert;
428
429 // Go through the array, only saving the items
430 // that pass the validator function
431 for ( ; i < length; i++ ) {
432 callbackInverse = !callback( elems[ i ], i );
433 if ( callbackInverse !== callbackExpect ) {
434 matches.push( elems[ i ] );
435 }
436 }
437
438 return matches;
439 },
440
441 // arg is for internal usage only
442 map: function( elems, callback, arg ) {
443 var length, value,
444 i = 0,
445 ret = [];
446
447 // Go through the array, translating each of the items to their new values
448 if ( isArrayLike( elems ) ) {
449 length = elems.length;
450 for ( ; i < length; i++ ) {
451 value = callback( elems[ i ], i, arg );
452
453 if ( value != null ) {
454 ret.push( value );
455 }
456 }
457
458 // Go through every key on the object,
459 } else {
460 for ( i in elems ) {
461 value = callback( elems[ i ], i, arg );
462
463 if ( value != null ) {
464 ret.push( value );
465 }
466 }
467 }
468
469 // Flatten any nested arrays
470 return concat.apply( [], ret );
471 },
472
473 // A global GUID counter for objects
474 guid: 1,
475
476 // Bind a function to a context, optionally partially applying any
477 // arguments.
478 proxy: function( fn, context ) {
479 var tmp, args, proxy;
480
481 if ( typeof context === "string" ) {
482 tmp = fn[ context ];
483 context = fn;
484 fn = tmp;
485 }
486
487 // Quick check to determine if target is callable, in the spec
488 // this throws a TypeError, but we will just return undefined.
489 if ( !jQuery.isFunction( fn ) ) {
490 return undefined;
491 }
492
493 // Simulated bind
494 args = slice.call( arguments, 2 );
495 proxy = function() {
496 return fn.apply( context || this, args.concat( slice.call( arguments ) ) );
497 };
498
499 // Set the guid of unique handler to the same of original handler, so it can be removed
500 proxy.guid = fn.guid = fn.guid || jQuery.guid++;
501
502 return proxy;
503 },
504
505 now: Date.now,
506
507 // jQuery.support is not used in Core but other projects attach their
508 // properties to it so it needs to exist.
509 support: support
510 } );
511
512 if ( typeof Symbol === "function" ) {
513 jQuery.fn[ Symbol.iterator ] = arr[ Symbol.iterator ];
514 }
515
516 // Populate the class2type map
517 jQuery.each( "Boolean Number String Function Array Date RegExp Object Error Symbol".split( " " ),
518 function( i, name ) {
519 class2type[ "[object " + name + "]" ] = name.toLowerCase();
520 } );
521
522 function isArrayLike( obj ) {
523
524 // Support: real iOS 8.2 only (not reproducible in simulator)
525 // `in` check used to prevent JIT error (gh-2145)
526 // hasOwn isn't used here due to false negatives
527 // regarding Nodelist length in IE
528 var length = !!obj && "length" in obj && obj.length,
529 type = jQuery.type( obj );
530
531 if ( type === "function" || jQuery.isWindow( obj ) ) {
532 return false;
533 }
534
535 return type === "array" || length === 0 ||
536 typeof length === "number" && length > 0 && ( length - 1 ) in obj;
537 }
538 var Sizzle =
539 /*!
540 * Sizzle CSS Selector Engine v2.3.3
541 * https://sizzlejs.com/
542 *
543 * Copyright jQuery Foundation and other contributors
544 * Released under the MIT license
545 * http://jquery.org/license
546 *
547 * Date: 2016-08-08
548 */
549 (function( window ) {
550
551 var i,
552 support,
553 Expr,
554 getText,
555 isXML,
556 tokenize,
557 compile,
558 select,
559 outermostContext,
560 sortInput,
561 hasDuplicate,
562
563 // Local document vars
564 setDocument,
565 document,
566 docElem,
567 documentIsHTML,
568 rbuggyQSA,
569 rbuggyMatches,
570 matches,
571 contains,
572
573 // Instance-specific data
574 expando = "sizzle" + 1 * new Date(),
575 preferredDoc = window.document,
576 dirruns = 0,
577 done = 0,
578 classCache = createCache(),
579 tokenCache = createCache(),
580 compilerCache = createCache(),
581 sortOrder = function( a, b ) {
582 if ( a === b ) {
583 hasDuplicate = true;
584 }
585 return 0;
586 },
587
588 // Instance methods
589 hasOwn = ({}).hasOwnProperty,
590 arr = [],
591 pop = arr.pop,
592 push_native = arr.push,
593 push = arr.push,
594 slice = arr.slice,
595 // Use a stripped-down indexOf as it's faster than native
596 // https://jsperf.com/thor-indexof-vs-for/5
597 indexOf = function( list, elem ) {
598 var i = 0,
599 len = list.length;
600 for ( ; i < len; i++ ) {
601 if ( list[i] === elem ) {
602 return i;
603 }
604 }
605 return -1;
606 },
607
608 booleans = "checked|selected|async|autofocus|autoplay|controls|defer|disabled|hidden|ismap|loop|multiple|open|readonly|required|scoped",
609
610 // Regular expressions
611
612 // http://www.w3.org/TR/css3-selectors/#whitespace
613 whitespace = "[\\x20\\t\\r\\n\\f]",
614
615 // http://www.w3.org/TR/CSS21/syndata.html#value-def-identifier
616 identifier = "(?:\\\\.|[\\w-]|[^\0-\\xa0])+",
617
618 // Attribute selectors: http://www.w3.org/TR/selectors/#attribute-selectors
619 attributes = "\\[" + whitespace + "*(" + identifier + ")(?:" + whitespace +
620 // Operator (capture 2)
621 "*([*^$|!~]?=)" + whitespace +
622 // "Attribute values must be CSS identifiers [capture 5] or strings [capture 3 or capture 4]"
623 "*(?:'((?:\\\\.|[^\\\\'])*)'|\"((?:\\\\.|[^\\\\\"])*)\"|(" + identifier + "))|)" + whitespace +
624 "*\\]",
625
626 pseudos = ":(" + identifier + ")(?:\\((" +
627 // To reduce the number of selectors needing tokenize in the preFilter, prefer arguments:
628 // 1. quoted (capture 3; capture 4 or capture 5)
629 "('((?:\\\\.|[^\\\\'])*)'|\"((?:\\\\.|[^\\\\\"])*)\")|" +
630 // 2. simple (capture 6)
631 "((?:\\\\.|[^\\\\()[\\]]|" + attributes + ")*)|" +
632 // 3. anything else (capture 2)
633 ".*" +
634 ")\\)|)",
635
636 // Leading and non-escaped trailing whitespace, capturing some non-whitespace characters preceding the latter
637 rwhitespace = new RegExp( whitespace + "+", "g" ),
638 rtrim = new RegExp( "^" + whitespace + "+|((?:^|[^\\\\])(?:\\\\.)*)" + whitespace + "+$", "g" ),
639
640 rcomma = new RegExp( "^" + whitespace + "*," + whitespace + "*" ),
641 rcombinators = new RegExp( "^" + whitespace + "*([>+~]|" + whitespace + ")" + whitespace + "*" ),
642
643 rattributeQuotes = new RegExp( "=" + whitespace + "*([^\\]'\"]*?)" + whitespace + "*\\]", "g" ),
644
645 rpseudo = new RegExp( pseudos ),
646 ridentifier = new RegExp( "^" + identifier + "$" ),
647
648 matchExpr = {
649 "ID": new RegExp( "^#(" + identifier + ")" ),
650 "CLASS": new RegExp( "^\\.(" + identifier + ")" ),
651 "TAG": new RegExp( "^(" + identifier + "|[*])" ),
652 "ATTR": new RegExp( "^" + attributes ),
653 "PSEUDO": new RegExp( "^" + pseudos ),
654 "CHILD": new RegExp( "^:(only|first|last|nth|nth-last)-(child|of-type)(?:\\(" + whitespace +
655 "*(even|odd|(([+-]|)(\\d*)n|)" + whitespace + "*(?:([+-]|)" + whitespace +
656 "*(\\d+)|))" + whitespace + "*\\)|)", "i" ),
657 "bool": new RegExp( "^(?:" + booleans + ")$", "i" ),
658 // For use in libraries implementing .is()
659 // We use this for POS matching in `select`
660 "needsContext": new RegExp( "^" + whitespace + "*[>+~]|:(even|odd|eq|gt|lt|nth|first|last)(?:\\(" +
661 whitespace + "*((?:-\\d)?\\d*)" + whitespace + "*\\)|)(?=[^-]|$)", "i" )
662 },
663
664 rinputs = /^(?:input|select|textarea|button)$/i,
665 rheader = /^h\d$/i,
666
667 rnative = /^[^{]+\{\s*\[native \w/,
668
669 // Easily-parseable/retrievable ID or TAG or CLASS selectors
670 rquickExpr = /^(?:#([\w-]+)|(\w+)|\.([\w-]+))$/,
671
672 rsibling = /[+~]/,
673
674 // CSS escapes
675 // http://www.w3.org/TR/CSS21/syndata.html#escaped-characters
676 runescape = new RegExp( "\\\\([\\da-f]{1,6}" + whitespace + "?|(" + whitespace + ")|.)", "ig" ),
677 funescape = function( _, escaped, escapedWhitespace ) {
678 var high = "0x" + escaped - 0x10000;
679 // NaN means non-codepoint
680 // Support: Firefox<24
681 // Workaround erroneous numeric interpretation of +"0x"
682 return high !== high || escapedWhitespace ?
683 escaped :
684 high < 0 ?
685 // BMP codepoint
686 String.fromCharCode( high + 0x10000 ) :
687 // Supplemental Plane codepoint (surrogate pair)
688 String.fromCharCode( high >> 10 | 0xD800, high & 0x3FF | 0xDC00 );
689 },
690
691 // CSS string/identifier serialization
692 // https://drafts.csswg.org/cssom/#common-serializing-idioms
693 rcssescape = /([\0-\x1f\x7f]|^-?\d)|^-$|[^\0-\x1f\x7f-\uFFFF\w-]/g,
694 fcssescape = function( ch, asCodePoint ) {
695 if ( asCodePoint ) {
696
697 // U+0000 NULL becomes U+FFFD REPLACEMENT CHARACTER
698 if ( ch === "\0" ) {
699 return "\uFFFD";
700 }
701
702 // Control characters and (dependent upon position) numbers get escaped as code points
703 return ch.slice( 0, -1 ) + "\\" + ch.charCodeAt( ch.length - 1 ).toString( 16 ) + " ";
704 }
705
706 // Other potentially-special ASCII characters get backslash-escaped
707 return "\\" + ch;
708 },
709
710 // Used for iframes
711 // See setDocument()
712 // Removing the function wrapper causes a "Permission Denied"
713 // error in IE
714 unloadHandler = function() {
715 setDocument();
716 },
717
718 disabledAncestor = addCombinator(
719 function( elem ) {
720 return elem.disabled === true && ("form" in elem || "label" in elem);
721 },
722 { dir: "parentNode", next: "legend" }
723 );
724
725 // Optimize for push.apply( _, NodeList )
726 try {
727 push.apply(
728 (arr = slice.call( preferredDoc.childNodes )),
729 preferredDoc.childNodes
730 );
731 // Support: Android<4.0
732 // Detect silently failing push.apply
733 arr[ preferredDoc.childNodes.length ].nodeType;
734 } catch ( e ) {
735 push = { apply: arr.length ?
736
737 // Leverage slice if possible
738 function( target, els ) {
739 push_native.apply( target, slice.call(els) );
740 } :
741
742 // Support: IE<9
743 // Otherwise append directly
744 function( target, els ) {
745 var j = target.length,
746 i = 0;
747 // Can't trust NodeList.length
748 while ( (target[j++] = els[i++]) ) {}
749 target.length = j - 1;
750 }
751 };
752 }
753
754 function Sizzle( selector, context, results, seed ) {
755 var m, i, elem, nid, match, groups, newSelector,
756 newContext = context && context.ownerDocument,
757
758 // nodeType defaults to 9, since context defaults to document
759 nodeType = context ? context.nodeType : 9;
760
761 results = results || [];
762
763 // Return early from calls with invalid selector or context
764 if ( typeof selector !== "string" || !selector ||
765 nodeType !== 1 && nodeType !== 9 && nodeType !== 11 ) {
766
767 return results;
768 }
769
770 // Try to shortcut find operations (as opposed to filters) in HTML documents
771 if ( !seed ) {
772
773 if ( ( context ? context.ownerDocument || context : preferredDoc ) !== document ) {
774 setDocument( context );
775 }
776 context = context || document;
777
778 if ( documentIsHTML ) {
779
780 // If the selector is sufficiently simple, try using a "get*By*" DOM method
781 // (excepting DocumentFragment context, where the methods don't exist)
782 if ( nodeType !== 11 && (match = rquickExpr.exec( selector )) ) {
783
784 // ID selector
785 if ( (m = match[1]) ) {
786
787 // Document context
788 if ( nodeType === 9 ) {
789 if ( (elem = context.getElementById( m )) ) {
790
791 // Support: IE, Opera, Webkit
792 // TODO: identify versions
793 // getElementById can match elements by name instead of ID
794 if ( elem.id === m ) {
795 results.push( elem );
796 return results;
797 }
798 } else {
799 return results;
800 }
801
802 // Element context
803 } else {
804
805 // Support: IE, Opera, Webkit
806 // TODO: identify versions
807 // getElementById can match elements by name instead of ID
808 if ( newContext && (elem = newContext.getElementById( m )) &&
809 contains( context, elem ) &&
810 elem.id === m ) {
811
812 results.push( elem );
813 return results;
814 }
815 }
816
817 // Type selector
818 } else if ( match[2] ) {
819 push.apply( results, context.getElementsByTagName( selector ) );
820 return results;
821
822 // Class selector
823 } else if ( (m = match[3]) && support.getElementsByClassName &&
824 context.getElementsByClassName ) {
825
826 push.apply( results, context.getElementsByClassName( m ) );
827 return results;
828 }
829 }
830
831 // Take advantage of querySelectorAll
832 if ( support.qsa &&
833 !compilerCache[ selector + " " ] &&
834 (!rbuggyQSA || !rbuggyQSA.test( selector )) ) {
835
836 if ( nodeType !== 1 ) {
837 newContext = context;
838 newSelector = selector;
839
840 // qSA looks outside Element context, which is not what we want
841 // Thanks to Andrew Dupont for this workaround technique
842 // Support: IE <=8
843 // Exclude object elements
844 } else if ( context.nodeName.toLowerCase() !== "object" ) {
845
846 // Capture the context ID, setting it first if necessary
847 if ( (nid = context.getAttribute( "id" )) ) {
848 nid = nid.replace( rcssescape, fcssescape );
849 } else {
850 context.setAttribute( "id", (nid = expando) );
851 }
852
853 // Prefix every selector in the list
854 groups = tokenize( selector );
855 i = groups.length;
856 while ( i-- ) {
857 groups[i] = "#" + nid + " " + toSelector( groups[i] );
858 }
859 newSelector = groups.join( "," );
860
861 // Expand context for sibling selectors
862 newContext = rsibling.test( selector ) && testContext( context.parentNode ) ||
863 context;
864 }
865
866 if ( newSelector ) {
867 try {
868 push.apply( results,
869 newContext.querySelectorAll( newSelector )
870 );
871 return results;
872 } catch ( qsaError ) {
873 } finally {
874 if ( nid === expando ) {
875 context.removeAttribute( "id" );
876 }
877 }
878 }
879 }
880 }
881 }
882
883 // All others
884 return select( selector.replace( rtrim, "$1" ), context, results, seed );
885 }
886
887 /**
888 * Create key-value caches of limited size
889 * @returns {function(string, object)} Returns the Object data after storing it on itself with
890 * property name the (space-suffixed) string and (if the cache is larger than Expr.cacheLength)
891 * deleting the oldest entry
892 */
893 function createCache() {
894 var keys = [];
895
896 function cache( key, value ) {
897 // Use (key + " ") to avoid collision with native prototype properties (see Issue #157)
898 if ( keys.push( key + " " ) > Expr.cacheLength ) {
899 // Only keep the most recent entries
900 delete cache[ keys.shift() ];
901 }
902 return (cache[ key + " " ] = value);
903 }
904 return cache;
905 }
906
907 /**
908 * Mark a function for special use by Sizzle
909 * @param {Function} fn The function to mark
910 */
911 function markFunction( fn ) {
912 fn[ expando ] = true;
913 return fn;
914 }
915
916 /**
917 * Support testing using an element
918 * @param {Function} fn Passed the created element and returns a boolean result
919 */
920 function assert( fn ) {
921 var el = document.createElement("fieldset");
922
923 try {
924 return !!fn( el );
925 } catch (e) {
926 return false;
927 } finally {
928 // Remove from its parent by default
929 if ( el.parentNode ) {
930 el.parentNode.removeChild( el );
931 }
932 // release memory in IE
933 el = null;
934 }
935 }
936
937 /**
938 * Adds the same handler for all of the specified attrs
939 * @param {String} attrs Pipe-separated list of attributes
940 * @param {Function} handler The method that will be applied
941 */
942 function addHandle( attrs, handler ) {
943 var arr = attrs.split("|"),
944 i = arr.length;
945
946 while ( i-- ) {
947 Expr.attrHandle[ arr[i] ] = handler;
948 }
949 }
950
951 /**
952 * Checks document order of two siblings
953 * @param {Element} a
954 * @param {Element} b
955 * @returns {Number} Returns less than 0 if a precedes b, greater than 0 if a follows b
956 */
957 function siblingCheck( a, b ) {
958 var cur = b && a,
959 diff = cur && a.nodeType === 1 && b.nodeType === 1 &&
960 a.sourceIndex - b.sourceIndex;
961
962 // Use IE sourceIndex if available on both nodes
963 if ( diff ) {
964 return diff;
965 }
966
967 // Check if b follows a
968 if ( cur ) {
969 while ( (cur = cur.nextSibling) ) {
970 if ( cur === b ) {
971 return -1;
972 }
973 }
974 }
975
976 return a ? 1 : -1;
977 }
978
979 /**
980 * Returns a function to use in pseudos for input types
981 * @param {String} type
982 */
983 function createInputPseudo( type ) {
984 return function( elem ) {
985 var name = elem.nodeName.toLowerCase();
986 return name === "input" && elem.type === type;
987 };
988 }
989
990 /**
991 * Returns a function to use in pseudos for buttons
992 * @param {String} type
993 */
994 function createButtonPseudo( type ) {
995 return function( elem ) {
996 var name = elem.nodeName.toLowerCase();
997 return (name === "input" || name === "button") && elem.type === type;
998 };
999 }
1000
1001 /**
1002 * Returns a function to use in pseudos for :enabled/:disabled
1003 * @param {Boolean} disabled true for :disabled; false for :enabled
1004 */
1005 function createDisabledPseudo( disabled ) {
1006
1007 // Known :disabled false positives: fieldset[disabled] > legend:nth-of-type(n+2) :can-disable
1008 return function( elem ) {
1009
1010 // Only certain elements can match :enabled or :disabled
1011 // https://html.spec.whatwg.org/multipage/scripting.html#selector-enabled
1012 // https://html.spec.whatwg.org/multipage/scripting.html#selector-disabled
1013 if ( "form" in elem ) {
1014
1015 // Check for inherited disabledness on relevant non-disabled elements:
1016 // * listed form-associated elements in a disabled fieldset
1017 // https://html.spec.whatwg.org/multipage/forms.html#category-listed
1018 // https://html.spec.whatwg.org/multipage/forms.html#concept-fe-disabled
1019 // * option elements in a disabled optgroup
1020 // https://html.spec.whatwg.org/multipage/forms.html#concept-option-disabled
1021 // All such elements have a "form" property.
1022 if ( elem.parentNode && elem.disabled === false ) {
1023
1024 // Option elements defer to a parent optgroup if present
1025 if ( "label" in elem ) {
1026 if ( "label" in elem.parentNode ) {
1027 return elem.parentNode.disabled === disabled;
1028 } else {
1029 return elem.disabled === disabled;
1030 }
1031 }
1032
1033 // Support: IE 6 - 11
1034 // Use the isDisabled shortcut property to check for disabled fieldset ancestors
1035 return elem.isDisabled === disabled ||
1036
1037 // Where there is no isDisabled, check manually
1038 /* jshint -W018 */
1039 elem.isDisabled !== !disabled &&
1040 disabledAncestor( elem ) === disabled;
1041 }
1042
1043 return elem.disabled === disabled;
1044
1045 // Try to winnow out elements that can't be disabled before trusting the disabled property.
1046 // Some victims get caught in our net (label, legend, menu, track), but it shouldn't
1047 // even exist on them, let alone have a boolean value.
1048 } else if ( "label" in elem ) {
1049 return elem.disabled === disabled;
1050 }
1051
1052 // Remaining elements are neither :enabled nor :disabled
1053 return false;
1054 };
1055 }
1056
1057 /**
1058 * Returns a function to use in pseudos for positionals
1059 * @param {Function} fn
1060 */
1061 function createPositionalPseudo( fn ) {
1062 return markFunction(function( argument ) {
1063 argument = +argument;
1064 return markFunction(function( seed, matches ) {
1065 var j,
1066 matchIndexes = fn( [], seed.length, argument ),
1067 i = matchIndexes.length;
1068
1069 // Match elements found at the specified indexes
1070 while ( i-- ) {
1071 if ( seed[ (j = matchIndexes[i]) ] ) {
1072 seed[j] = !(matches[j] = seed[j]);
1073 }
1074 }
1075 });
1076 });
1077 }
1078
1079 /**
1080 * Checks a node for validity as a Sizzle context
1081 * @param {Element|Object=} context
1082 * @returns {Element|Object|Boolean} The input node if acceptable, otherwise a falsy value
1083 */
1084 function testContext( context ) {
1085 return context && typeof context.getElementsByTagName !== "undefined" && context;
1086 }
1087
1088 // Expose support vars for convenience
1089 support = Sizzle.support = {};
1090
1091 /**
1092 * Detects XML nodes
1093 * @param {Element|Object} elem An element or a document
1094 * @returns {Boolean} True iff elem is a non-HTML XML node
1095 */
1096 isXML = Sizzle.isXML = function( elem ) {
1097 // documentElement is verified for cases where it doesn't yet exist
1098 // (such as loading iframes in IE - #4833)
1099 var documentElement = elem && (elem.ownerDocument || elem).documentElement;
1100 return documentElement ? documentElement.nodeName !== "HTML" : false;
1101 };
1102
1103 /**
1104 * Sets document-related variables once based on the current document
1105 * @param {Element|Object} [doc] An element or document object to use to set the document
1106 * @returns {Object} Returns the current document
1107 */
1108 setDocument = Sizzle.setDocument = function( node ) {
1109 var hasCompare, subWindow,
1110 doc = node ? node.ownerDocument || node : preferredDoc;
1111
1112 // Return early if doc is invalid or already selected
1113 if ( doc === document || doc.nodeType !== 9 || !doc.documentElement ) {
1114 return document;
1115 }
1116
1117 // Update global variables
1118 document = doc;
1119 docElem = document.documentElement;
1120 documentIsHTML = !isXML( document );
1121
1122 // Support: IE 9-11, Edge
1123 // Accessing iframe documents after unload throws "permission denied" errors (jQuery #13936)
1124 if ( preferredDoc !== document &&
1125 (subWindow = document.defaultView) && subWindow.top !== subWindow ) {
1126
1127 // Support: IE 11, Edge
1128 if ( subWindow.addEventListener ) {
1129 subWindow.addEventListener( "unload", unloadHandler, false );
1130
1131 // Support: IE 9 - 10 only
1132 } else if ( subWindow.attachEvent ) {
1133 subWindow.attachEvent( "onunload", unloadHandler );
1134 }
1135 }
1136
1137 /* Attributes
1138 ---------------------------------------------------------------------- */
1139
1140 // Support: IE<8
1141 // Verify that getAttribute really returns attributes and not properties
1142 // (excepting IE8 booleans)
1143 support.attributes = assert(function( el ) {
1144 el.className = "i";
1145 return !el.getAttribute("className");
1146 });
1147
1148 /* getElement(s)By*
1149 ---------------------------------------------------------------------- */
1150
1151 // Check if getElementsByTagName("*") returns only elements
1152 support.getElementsByTagName = assert(function( el ) {
1153 el.appendChild( document.createComment("") );
1154 return !el.getElementsByTagName("*").length;
1155 });
1156
1157 // Support: IE<9
1158 support.getElementsByClassName = rnative.test( document.getElementsByClassName );
1159
1160 // Support: IE<10
1161 // Check if getElementById returns elements by name
1162 // The broken getElementById methods don't pick up programmatically-set names,
1163 // so use a roundabout getElementsByName test
1164 support.getById = assert(function( el ) {
1165 docElem.appendChild( el ).id = expando;
1166 return !document.getElementsByName || !document.getElementsByName( expando ).length;
1167 });
1168
1169 // ID filter and find
1170 if ( support.getById ) {
1171 Expr.filter["ID"] = function( id ) {
1172 var attrId = id.replace( runescape, funescape );
1173 return function( elem ) {
1174 return elem.getAttribute("id") === attrId;
1175 };
1176 };
1177 Expr.find["ID"] = function( id, context ) {
1178 if ( typeof context.getElementById !== "undefined" && documentIsHTML ) {
1179 var elem = context.getElementById( id );
1180 return elem ? [ elem ] : [];
1181 }
1182 };
1183 } else {
1184 Expr.filter["ID"] = function( id ) {
1185 var attrId = id.replace( runescape, funescape );
1186 return function( elem ) {
1187 var node = typeof elem.getAttributeNode !== "undefined" &&
1188 elem.getAttributeNode("id");
1189 return node && node.value === attrId;
1190 };
1191 };
1192
1193 // Support: IE 6 - 7 only
1194 // getElementById is not reliable as a find shortcut
1195 Expr.find["ID"] = function( id, context ) {
1196 if ( typeof context.getElementById !== "undefined" && documentIsHTML ) {
1197 var node, i, elems,
1198 elem = context.getElementById( id );
1199
1200 if ( elem ) {
1201
1202 // Verify the id attribute
1203 node = elem.getAttributeNode("id");
1204 if ( node && node.value === id ) {
1205 return [ elem ];
1206 }
1207
1208 // Fall back on getElementsByName
1209 elems = context.getElementsByName( id );
1210 i = 0;
1211 while ( (elem = elems[i++]) ) {
1212 node = elem.getAttributeNode("id");
1213 if ( node && node.value === id ) {
1214 return [ elem ];
1215 }
1216 }
1217 }
1218
1219 return [];
1220 }
1221 };
1222 }
1223
1224 // Tag
1225 Expr.find["TAG"] = support.getElementsByTagName ?
1226 function( tag, context ) {
1227 if ( typeof context.getElementsByTagName !== "undefined" ) {
1228 return context.getElementsByTagName( tag );
1229
1230 // DocumentFragment nodes don't have gEBTN
1231 } else if ( support.qsa ) {
1232 return context.querySelectorAll( tag );
1233 }
1234 } :
1235
1236 function( tag, context ) {
1237 var elem,
1238 tmp = [],
1239 i = 0,
1240 // By happy coincidence, a (broken) gEBTN appears on DocumentFragment nodes too
1241 results = context.getElementsByTagName( tag );
1242
1243 // Filter out possible comments
1244 if ( tag === "*" ) {
1245 while ( (elem = results[i++]) ) {
1246 if ( elem.nodeType === 1 ) {
1247 tmp.push( elem );
1248 }
1249 }
1250
1251 return tmp;
1252 }
1253 return results;
1254 };
1255
1256 // Class
1257 Expr.find["CLASS"] = support.getElementsByClassName && function( className, context ) {
1258 if ( typeof context.getElementsByClassName !== "undefined" && documentIsHTML ) {
1259 return context.getElementsByClassName( className );
1260 }
1261 };
1262
1263 /* QSA/matchesSelector
1264 ---------------------------------------------------------------------- */
1265
1266 // QSA and matchesSelector support
1267
1268 // matchesSelector(:active) reports false when true (IE9/Opera 11.5)
1269 rbuggyMatches = [];
1270
1271 // qSa(:focus) reports false when true (Chrome 21)
1272 // We allow this because of a bug in IE8/9 that throws an error
1273 // whenever `document.activeElement` is accessed on an iframe
1274 // So, we allow :focus to pass through QSA all the time to avoid the IE error
1275 // See https://bugs.jquery.com/ticket/13378
1276 rbuggyQSA = [];
1277
1278 if ( (support.qsa = rnative.test( document.querySelectorAll )) ) {
1279 // Build QSA regex
1280 // Regex strategy adopted from Diego Perini
1281 assert(function( el ) {
1282 // Select is set to empty string on purpose
1283 // This is to test IE's treatment of not explicitly
1284 // setting a boolean content attribute,
1285 // since its presence should be enough
1286 // https://bugs.jquery.com/ticket/12359
1287 docElem.appendChild( el ).innerHTML = "<a id='" + expando + "'></a>" +
1288 "<select id='" + expando + "-\r\\' msallowcapture=''>" +
1289 "<option selected=''></option></select>";
1290
1291 // Support: IE8, Opera 11-12.16
1292 // Nothing should be selected when empty strings follow ^= or $= or *=
1293 // The test attribute must be unknown in Opera but "safe" for WinRT
1294 // https://msdn.microsoft.com/en-us/library/ie/hh465388.aspx#attribute_section
1295 if ( el.querySelectorAll("[msallowcapture^='']").length ) {
1296 rbuggyQSA.push( "[*^$]=" + whitespace + "*(?:''|\"\")" );
1297 }
1298
1299 // Support: IE8
1300 // Boolean attributes and "value" are not treated correctly
1301 if ( !el.querySelectorAll("[selected]").length ) {
1302 rbuggyQSA.push( "\\[" + whitespace + "*(?:value|" + booleans + ")" );
1303 }
1304
1305 // Support: Chrome<29, Android<4.4, Safari<7.0+, iOS<7.0+, PhantomJS<1.9.8+
1306 if ( !el.querySelectorAll( "[id~=" + expando + "-]" ).length ) {
1307 rbuggyQSA.push("~=");
1308 }
1309
1310 // Webkit/Opera - :checked should return selected option elements
1311 // http://www.w3.org/TR/2011/REC-css3-selectors-20110929/#checked
1312 // IE8 throws error here and will not see later tests
1313 if ( !el.querySelectorAll(":checked").length ) {
1314 rbuggyQSA.push(":checked");
1315 }
1316
1317 // Support: Safari 8+, iOS 8+
1318 // https://bugs.webkit.org/show_bug.cgi?id=136851
1319 // In-page `selector#id sibling-combinator selector` fails
1320 if ( !el.querySelectorAll( "a#" + expando + "+*" ).length ) {
1321 rbuggyQSA.push(".#.+[+~]");
1322 }
1323 });
1324
1325 assert(function( el ) {
1326 el.innerHTML = "<a href='' disabled='disabled'></a>" +
1327 "<select disabled='disabled'><option/></select>";
1328
1329 // Support: Windows 8 Native Apps
1330 // The type and name attributes are restricted during .innerHTML assignment
1331 var input = document.createElement("input");
1332 input.setAttribute( "type", "hidden" );
1333 el.appendChild( input ).setAttribute( "name", "D" );
1334
1335 // Support: IE8
1336 // Enforce case-sensitivity of name attribute
1337 if ( el.querySelectorAll("[name=d]").length ) {
1338 rbuggyQSA.push( "name" + whitespace + "*[*^$|!~]?=" );
1339 }
1340
1341 // FF 3.5 - :enabled/:disabled and hidden elements (hidden elements are still enabled)
1342 // IE8 throws error here and will not see later tests
1343 if ( el.querySelectorAll(":enabled").length !== 2 ) {
1344 rbuggyQSA.push( ":enabled", ":disabled" );
1345 }
1346
1347 // Support: IE9-11+
1348 // IE's :disabled selector does not pick up the children of disabled fieldsets
1349 docElem.appendChild( el ).disabled = true;
1350 if ( el.querySelectorAll(":disabled").length !== 2 ) {
1351 rbuggyQSA.push( ":enabled", ":disabled" );
1352 }
1353
1354 // Opera 10-11 does not throw on post-comma invalid pseudos
1355 el.querySelectorAll("*,:x");
1356 rbuggyQSA.push(",.*:");
1357 });
1358 }
1359
1360 if ( (support.matchesSelector = rnative.test( (matches = docElem.matches ||
1361 docElem.webkitMatchesSelector ||
1362 docElem.mozMatchesSelector ||
1363 docElem.oMatchesSelector ||
1364 docElem.msMatchesSelector) )) ) {
1365
1366 assert(function( el ) {
1367 // Check to see if it's possible to do matchesSelector
1368 // on a disconnected node (IE 9)
1369 support.disconnectedMatch = matches.call( el, "*" );
1370
1371 // This should fail with an exception
1372 // Gecko does not error, returns false instead
1373 matches.call( el, "[s!='']:x" );
1374 rbuggyMatches.push( "!=", pseudos );
1375 });
1376 }
1377
1378 rbuggyQSA = rbuggyQSA.length && new RegExp( rbuggyQSA.join("|") );
1379 rbuggyMatches = rbuggyMatches.length && new RegExp( rbuggyMatches.join("|") );
1380
1381 /* Contains
1382 ---------------------------------------------------------------------- */
1383 hasCompare = rnative.test( docElem.compareDocumentPosition );
1384
1385 // Element contains another
1386 // Purposefully self-exclusive
1387 // As in, an element does not contain itself
1388 contains = hasCompare || rnative.test( docElem.contains ) ?
1389 function( a, b ) {
1390 var adown = a.nodeType === 9 ? a.documentElement : a,
1391 bup = b && b.parentNode;
1392 return a === bup || !!( bup && bup.nodeType === 1 && (
1393 adown.contains ?
1394 adown.contains( bup ) :
1395 a.compareDocumentPosition && a.compareDocumentPosition( bup ) & 16
1396 ));
1397 } :
1398 function( a, b ) {
1399 if ( b ) {
1400 while ( (b = b.parentNode) ) {
1401 if ( b === a ) {
1402 return true;
1403 }
1404 }
1405 }
1406 return false;
1407 };
1408
1409 /* Sorting
1410 ---------------------------------------------------------------------- */
1411
1412 // Document order sorting
1413 sortOrder = hasCompare ?
1414 function( a, b ) {
1415
1416 // Flag for duplicate removal
1417 if ( a === b ) {
1418 hasDuplicate = true;
1419 return 0;
1420 }
1421
1422 // Sort on method existence if only one input has compareDocumentPosition
1423 var compare = !a.compareDocumentPosition - !b.compareDocumentPosition;
1424 if ( compare ) {
1425 return compare;
1426 }
1427
1428 // Calculate position if both inputs belong to the same document
1429 compare = ( a.ownerDocument || a ) === ( b.ownerDocument || b ) ?
1430 a.compareDocumentPosition( b ) :
1431
1432 // Otherwise we know they are disconnected
1433 1;
1434
1435 // Disconnected nodes
1436 if ( compare & 1 ||
1437 (!support.sortDetached && b.compareDocumentPosition( a ) === compare) ) {
1438
1439 // Choose the first element that is related to our preferred document
1440 if ( a === document || a.ownerDocument === preferredDoc && contains(preferredDoc, a) ) {
1441 return -1;
1442 }
1443 if ( b === document || b.ownerDocument === preferredDoc && contains(preferredDoc, b) ) {
1444 return 1;
1445 }
1446
1447 // Maintain original order
1448 return sortInput ?
1449 ( indexOf( sortInput, a ) - indexOf( sortInput, b ) ) :
1450 0;
1451 }
1452
1453 return compare & 4 ? -1 : 1;
1454 } :
1455 function( a, b ) {
1456 // Exit early if the nodes are identical
1457 if ( a === b ) {
1458 hasDuplicate = true;
1459 return 0;
1460 }
1461
1462 var cur,
1463 i = 0,
1464 aup = a.parentNode,
1465 bup = b.parentNode,
1466 ap = [ a ],
1467 bp = [ b ];
1468
1469 // Parentless nodes are either documents or disconnected
1470 if ( !aup || !bup ) {
1471 return a === document ? -1 :
1472 b === document ? 1 :
1473 aup ? -1 :
1474 bup ? 1 :
1475 sortInput ?
1476 ( indexOf( sortInput, a ) - indexOf( sortInput, b ) ) :
1477 0;
1478
1479 // If the nodes are siblings, we can do a quick check
1480 } else if ( aup === bup ) {
1481 return siblingCheck( a, b );
1482 }
1483
1484 // Otherwise we need full lists of their ancestors for comparison
1485 cur = a;
1486 while ( (cur = cur.parentNode) ) {
1487 ap.unshift( cur );
1488 }
1489 cur = b;
1490 while ( (cur = cur.parentNode) ) {
1491 bp.unshift( cur );
1492 }
1493
1494 // Walk down the tree looking for a discrepancy
1495 while ( ap[i] === bp[i] ) {
1496 i++;
1497 }
1498
1499 return i ?
1500 // Do a sibling check if the nodes have a common ancestor
1501 siblingCheck( ap[i], bp[i] ) :
1502
1503 // Otherwise nodes in our document sort first
1504 ap[i] === preferredDoc ? -1 :
1505 bp[i] === preferredDoc ? 1 :
1506 0;
1507 };
1508
1509 return document;
1510 };
1511
1512 Sizzle.matches = function( expr, elements ) {
1513 return Sizzle( expr, null, null, elements );
1514 };
1515
1516 Sizzle.matchesSelector = function( elem, expr ) {
1517 // Set document vars if needed
1518 if ( ( elem.ownerDocument || elem ) !== document ) {
1519 setDocument( elem );
1520 }
1521
1522 // Make sure that attribute selectors are quoted
1523 expr = expr.replace( rattributeQuotes, "='$1']" );
1524
1525 if ( support.matchesSelector && documentIsHTML &&
1526 !compilerCache[ expr + " " ] &&
1527 ( !rbuggyMatches || !rbuggyMatches.test( expr ) ) &&
1528 ( !rbuggyQSA || !rbuggyQSA.test( expr ) ) ) {
1529
1530 try {
1531 var ret = matches.call( elem, expr );
1532
1533 // IE 9's matchesSelector returns false on disconnected nodes
1534 if ( ret || support.disconnectedMatch ||
1535 // As well, disconnected nodes are said to be in a document
1536 // fragment in IE 9
1537 elem.document && elem.document.nodeType !== 11 ) {
1538 return ret;
1539 }
1540 } catch (e) {}
1541 }
1542
1543 return Sizzle( expr, document, null, [ elem ] ).length > 0;
1544 };
1545
1546 Sizzle.contains = function( context, elem ) {
1547 // Set document vars if needed
1548 if ( ( context.ownerDocument || context ) !== document ) {
1549 setDocument( context );
1550 }
1551 return contains( context, elem );
1552 };
1553
1554 Sizzle.attr = function( elem, name ) {
1555 // Set document vars if needed
1556 if ( ( elem.ownerDocument || elem ) !== document ) {
1557 setDocument( elem );
1558 }
1559
1560 var fn = Expr.attrHandle[ name.toLowerCase() ],
1561 // Don't get fooled by Object.prototype properties (jQuery #13807)
1562 val = fn && hasOwn.call( Expr.attrHandle, name.toLowerCase() ) ?
1563 fn( elem, name, !documentIsHTML ) :
1564 undefined;
1565
1566 return val !== undefined ?
1567 val :
1568 support.attributes || !documentIsHTML ?
1569 elem.getAttribute( name ) :
1570 (val = elem.getAttributeNode(name)) && val.specified ?
1571 val.value :
1572 null;
1573 };
1574
1575 Sizzle.escape = function( sel ) {
1576 return (sel + "").replace( rcssescape, fcssescape );
1577 };
1578
1579 Sizzle.error = function( msg ) {
1580 throw new Error( "Syntax error, unrecognized expression: " + msg );
1581 };
1582
1583 /**
1584 * Document sorting and removing duplicates
1585 * @param {ArrayLike} results
1586 */
1587 Sizzle.uniqueSort = function( results ) {
1588 var elem,
1589 duplicates = [],
1590 j = 0,
1591 i = 0;
1592
1593 // Unless we *know* we can detect duplicates, assume their presence
1594 hasDuplicate = !support.detectDuplicates;
1595 sortInput = !support.sortStable && results.slice( 0 );
1596 results.sort( sortOrder );
1597
1598 if ( hasDuplicate ) {
1599 while ( (elem = results[i++]) ) {
1600 if ( elem === results[ i ] ) {
1601 j = duplicates.push( i );
1602 }
1603 }
1604 while ( j-- ) {
1605 results.splice( duplicates[ j ], 1 );
1606 }
1607 }
1608
1609 // Clear input after sorting to release objects
1610 // See https://github.com/jquery/sizzle/pull/225
1611 sortInput = null;
1612
1613 return results;
1614 };
1615
1616 /**
1617 * Utility function for retrieving the text value of an array of DOM nodes
1618 * @param {Array|Element} elem
1619 */
1620 getText = Sizzle.getText = function( elem ) {
1621 var node,
1622 ret = "",
1623 i = 0,
1624 nodeType = elem.nodeType;
1625
1626 if ( !nodeType ) {
1627 // If no nodeType, this is expected to be an array
1628 while ( (node = elem[i++]) ) {
1629 // Do not traverse comment nodes
1630 ret += getText( node );
1631 }
1632 } else if ( nodeType === 1 || nodeType === 9 || nodeType === 11 ) {
1633 // Use textContent for elements
1634 // innerText usage removed for consistency of new lines (jQuery #11153)
1635 if ( typeof elem.textContent === "string" ) {
1636 return elem.textContent;
1637 } else {
1638 // Traverse its children
1639 for ( elem = elem.firstChild; elem; elem = elem.nextSibling ) {
1640 ret += getText( elem );
1641 }
1642 }
1643 } else if ( nodeType === 3 || nodeType === 4 ) {
1644 return elem.nodeValue;
1645 }
1646 // Do not include comment or processing instruction nodes
1647
1648 return ret;
1649 };
1650
1651 Expr = Sizzle.selectors = {
1652
1653 // Can be adjusted by the user
1654 cacheLength: 50,
1655
1656 createPseudo: markFunction,
1657
1658 match: matchExpr,
1659
1660 attrHandle: {},
1661
1662 find: {},
1663
1664 relative: {
1665 ">": { dir: "parentNode", first: true },
1666 " ": { dir: "parentNode" },
1667 "+": { dir: "previousSibling", first: true },
1668 "~": { dir: "previousSibling" }
1669 },
1670
1671 preFilter: {
1672 "ATTR": function( match ) {
1673 match[1] = match[1].replace( runescape, funescape );
1674
1675 // Move the given value to match[3] whether quoted or unquoted
1676 match[3] = ( match[3] || match[4] || match[5] || "" ).replace( runescape, funescape );
1677
1678 if ( match[2] === "~=" ) {
1679 match[3] = " " + match[3] + " ";
1680 }
1681
1682 return match.slice( 0, 4 );
1683 },
1684
1685 "CHILD": function( match ) {
1686 /* matches from matchExpr["CHILD"]
1687 1 type (only|nth|...)
1688 2 what (child|of-type)
1689 3 argument (even|odd|\d*|\d*n([+-]\d+)?|...)
1690 4 xn-component of xn+y argument ([+-]?\d*n|)
1691 5 sign of xn-component
1692 6 x of xn-component
1693 7 sign of y-component
1694 8 y of y-component
1695 */
1696 match[1] = match[1].toLowerCase();
1697
1698 if ( match[1].slice( 0, 3 ) === "nth" ) {
1699 // nth-* requires argument
1700 if ( !match[3] ) {
1701 Sizzle.error( match[0] );
1702 }
1703
1704 // numeric x and y parameters for Expr.filter.CHILD
1705 // remember that false/true cast respectively to 0/1
1706 match[4] = +( match[4] ? match[5] + (match[6] || 1) : 2 * ( match[3] === "even" || match[3] === "odd" ) );
1707 match[5] = +( ( match[7] + match[8] ) || match[3] === "odd" );
1708
1709 // other types prohibit arguments
1710 } else if ( match[3] ) {
1711 Sizzle.error( match[0] );
1712 }
1713
1714 return match;
1715 },
1716
1717 "PSEUDO": function( match ) {
1718 var excess,
1719 unquoted = !match[6] && match[2];
1720
1721 if ( matchExpr["CHILD"].test( match[0] ) ) {
1722 return null;
1723 }
1724
1725 // Accept quoted arguments as-is
1726 if ( match[3] ) {
1727 match[2] = match[4] || match[5] || "";
1728
1729 // Strip excess characters from unquoted arguments
1730 } else if ( unquoted && rpseudo.test( unquoted ) &&
1731 // Get excess from tokenize (recursively)
1732 (excess = tokenize( unquoted, true )) &&
1733 // advance to the next closing parenthesis
1734 (excess = unquoted.indexOf( ")", unquoted.length - excess ) - unquoted.length) ) {
1735
1736 // excess is a negative index
1737 match[0] = match[0].slice( 0, excess );
1738 match[2] = unquoted.slice( 0, excess );
1739 }
1740
1741 // Return only captures needed by the pseudo filter method (type and argument)
1742 return match.slice( 0, 3 );
1743 }
1744 },
1745
1746 filter: {
1747
1748 "TAG": function( nodeNameSelector ) {
1749 var nodeName = nodeNameSelector.replace( runescape, funescape ).toLowerCase();
1750 return nodeNameSelector === "*" ?
1751 function() { return true; } :
1752 function( elem ) {
1753 return elem.nodeName && elem.nodeName.toLowerCase() === nodeName;
1754 };
1755 },
1756
1757 "CLASS": function( className ) {
1758 var pattern = classCache[ className + " " ];
1759
1760 return pattern ||
1761 (pattern = new RegExp( "(^|" + whitespace + ")" + className + "(" + whitespace + "|$)" )) &&
1762 classCache( className, function( elem ) {
1763 return pattern.test( typeof elem.className === "string" && elem.className || typeof elem.getAttribute !== "undefined" && elem.getAttribute("class") || "" );
1764 });
1765 },
1766
1767 "ATTR": function( name, operator, check ) {
1768 return function( elem ) {
1769 var result = Sizzle.attr( elem, name );
1770
1771 if ( result == null ) {
1772 return operator === "!=";
1773 }
1774 if ( !operator ) {
1775 return true;
1776 }
1777
1778 result += "";
1779
1780 return operator === "=" ? result === check :
1781 operator === "!=" ? result !== check :
1782 operator === "^=" ? check && result.indexOf( check ) === 0 :
1783 operator === "*=" ? check && result.indexOf( check ) > -1 :
1784 operator === "$=" ? check && result.slice( -check.length ) === check :
1785 operator === "~=" ? ( " " + result.replace( rwhitespace, " " ) + " " ).indexOf( check ) > -1 :
1786 operator === "|=" ? result === check || result.slice( 0, check.length + 1 ) === check + "-" :
1787 false;
1788 };
1789 },
1790
1791 "CHILD": function( type, what, argument, first, last ) {
1792 var simple = type.slice( 0, 3 ) !== "nth",
1793 forward = type.slice( -4 ) !== "last",
1794 ofType = what === "of-type";
1795
1796 return first === 1 && last === 0 ?
1797
1798 // Shortcut for :nth-*(n)
1799 function( elem ) {
1800 return !!elem.parentNode;
1801 } :
1802
1803 function( elem, context, xml ) {
1804 var cache, uniqueCache, outerCache, node, nodeIndex, start,
1805 dir = simple !== forward ? "nextSibling" : "previousSibling",
1806 parent = elem.parentNode,
1807 name = ofType && elem.nodeName.toLowerCase(),
1808 useCache = !xml && !ofType,
1809 diff = false;
1810
1811 if ( parent ) {
1812
1813 // :(first|last|only)-(child|of-type)
1814 if ( simple ) {
1815 while ( dir ) {
1816 node = elem;
1817 while ( (node = node[ dir ]) ) {
1818 if ( ofType ?
1819 node.nodeName.toLowerCase() === name :
1820 node.nodeType === 1 ) {
1821
1822 return false;
1823 }
1824 }
1825 // Reverse direction for :only-* (if we haven't yet done so)
1826 start = dir = type === "only" && !start && "nextSibling";
1827 }
1828 return true;
1829 }
1830
1831 start = [ forward ? parent.firstChild : parent.lastChild ];
1832
1833 // non-xml :nth-child(...) stores cache data on `parent`
1834 if ( forward && useCache ) {
1835
1836 // Seek `elem` from a previously-cached index
1837
1838 // ...in a gzip-friendly way
1839 node = parent;
1840 outerCache = node[ expando ] || (node[ expando ] = {});
1841
1842 // Support: IE <9 only
1843 // Defend against cloned attroperties (jQuery gh-1709)
1844 uniqueCache = outerCache[ node.uniqueID ] ||
1845 (outerCache[ node.uniqueID ] = {});
1846
1847 cache = uniqueCache[ type ] || [];
1848 nodeIndex = cache[ 0 ] === dirruns && cache[ 1 ];
1849 diff = nodeIndex && cache[ 2 ];
1850 node = nodeIndex && parent.childNodes[ nodeIndex ];
1851
1852 while ( (node = ++nodeIndex && node && node[ dir ] ||
1853
1854 // Fallback to seeking `elem` from the start
1855 (diff = nodeIndex = 0) || start.pop()) ) {
1856
1857 // When found, cache indexes on `parent` and break
1858 if ( node.nodeType === 1 && ++diff && node === elem ) {
1859 uniqueCache[ type ] = [ dirruns, nodeIndex, diff ];
1860 break;
1861 }
1862 }
1863
1864 } else {
1865 // Use previously-cached element index if available
1866 if ( useCache ) {
1867 // ...in a gzip-friendly way
1868 node = elem;
1869 outerCache = node[ expando ] || (node[ expando ] = {});
1870
1871 // Support: IE <9 only
1872 // Defend against cloned attroperties (jQuery gh-1709)
1873 uniqueCache = outerCache[ node.uniqueID ] ||
1874 (outerCache[ node.uniqueID ] = {});
1875
1876 cache = uniqueCache[ type ] || [];
1877 nodeIndex = cache[ 0 ] === dirruns && cache[ 1 ];
1878 diff = nodeIndex;
1879 }
1880
1881 // xml :nth-child(...)
1882 // or :nth-last-child(...) or :nth(-last)?-of-type(...)
1883 if ( diff === false ) {
1884 // Use the same loop as above to seek `elem` from the start
1885 while ( (node = ++nodeIndex && node && node[ dir ] ||
1886 (diff = nodeIndex = 0) || start.pop()) ) {
1887
1888 if ( ( ofType ?
1889 node.nodeName.toLowerCase() === name :
1890 node.nodeType === 1 ) &&
1891 ++diff ) {
1892
1893 // Cache the index of each encountered element
1894 if ( useCache ) {
1895 outerCache = node[ expando ] || (node[ expando ] = {});
1896
1897 // Support: IE <9 only
1898 // Defend against cloned attroperties (jQuery gh-1709)
1899 uniqueCache = outerCache[ node.uniqueID ] ||
1900 (outerCache[ node.uniqueID ] = {});
1901
1902 uniqueCache[ type ] = [ dirruns, diff ];
1903 }
1904
1905 if ( node === elem ) {
1906 break;
1907 }
1908 }
1909 }
1910 }
1911 }
1912
1913 // Incorporate the offset, then check against cycle size
1914 diff -= last;
1915 return diff === first || ( diff % first === 0 && diff / first >= 0 );
1916 }
1917 };
1918 },
1919
1920 "PSEUDO": function( pseudo, argument ) {
1921 // pseudo-class names are case-insensitive
1922 // http://www.w3.org/TR/selectors/#pseudo-classes
1923 // Prioritize by case sensitivity in case custom pseudos are added with uppercase letters
1924 // Remember that setFilters inherits from pseudos
1925 var args,
1926 fn = Expr.pseudos[ pseudo ] || Expr.setFilters[ pseudo.toLowerCase() ] ||
1927 Sizzle.error( "unsupported pseudo: " + pseudo );
1928
1929 // The user may use createPseudo to indicate that
1930 // arguments are needed to create the filter function
1931 // just as Sizzle does
1932 if ( fn[ expando ] ) {
1933 return fn( argument );
1934 }
1935
1936 // But maintain support for old signatures
1937 if ( fn.length > 1 ) {
1938 args = [ pseudo, pseudo, "", argument ];
1939 return Expr.setFilters.hasOwnProperty( pseudo.toLowerCase() ) ?
1940 markFunction(function( seed, matches ) {
1941 var idx,
1942 matched = fn( seed, argument ),
1943 i = matched.length;
1944 while ( i-- ) {
1945 idx = indexOf( seed, matched[i] );
1946 seed[ idx ] = !( matches[ idx ] = matched[i] );
1947 }
1948 }) :
1949 function( elem ) {
1950 return fn( elem, 0, args );
1951 };
1952 }
1953
1954 return fn;
1955 }
1956 },
1957
1958 pseudos: {
1959 // Potentially complex pseudos
1960 "not": markFunction(function( selector ) {
1961 // Trim the selector passed to compile
1962 // to avoid treating leading and trailing
1963 // spaces as combinators
1964 var input = [],
1965 results = [],
1966 matcher = compile( selector.replace( rtrim, "$1" ) );
1967
1968 return matcher[ expando ] ?
1969 markFunction(function( seed, matches, context, xml ) {
1970 var elem,
1971 unmatched = matcher( seed, null, xml, [] ),
1972 i = seed.length;
1973
1974 // Match elements unmatched by `matcher`
1975 while ( i-- ) {
1976 if ( (elem = unmatched[i]) ) {
1977 seed[i] = !(matches[i] = elem);
1978 }
1979 }
1980 }) :
1981 function( elem, context, xml ) {
1982 input[0] = elem;
1983 matcher( input, null, xml, results );
1984 // Don't keep the element (issue #299)
1985 input[0] = null;
1986 return !results.pop();
1987 };
1988 }),
1989
1990 "has": markFunction(function( selector ) {
1991 return function( elem ) {
1992 return Sizzle( selector, elem ).length > 0;
1993 };
1994 }),
1995
1996 "contains": markFunction(function( text ) {
1997 text = text.replace( runescape, funescape );
1998 return function( elem ) {
1999 return ( elem.textContent || elem.innerText || getText( elem ) ).indexOf( text ) > -1;
2000 };
2001 }),
2002
2003 // "Whether an element is represented by a :lang() selector
2004 // is based solely on the element's language value
2005 // being equal to the identifier C,
2006 // or beginning with the identifier C immediately followed by "-".
2007 // The matching of C against the element's language value is performed case-insensitively.
2008 // The identifier C does not have to be a valid language name."
2009 // http://www.w3.org/TR/selectors/#lang-pseudo
2010 "lang": markFunction( function( lang ) {
2011 // lang value must be a valid identifier
2012 if ( !ridentifier.test(lang || "") ) {
2013 Sizzle.error( "unsupported lang: " + lang );
2014 }
2015 lang = lang.replace( runescape, funescape ).toLowerCase();
2016 return function( elem ) {
2017 var elemLang;
2018 do {
2019 if ( (elemLang = documentIsHTML ?
2020 elem.lang :
2021 elem.getAttribute("xml:lang") || elem.getAttribute("lang")) ) {
2022
2023 elemLang = elemLang.toLowerCase();
2024 return elemLang === lang || elemLang.indexOf( lang + "-" ) === 0;
2025 }
2026 } while ( (elem = elem.parentNode) && elem.nodeType === 1 );
2027 return false;
2028 };
2029 }),
2030
2031 // Miscellaneous
2032 "target": function( elem ) {
2033 var hash = window.location && window.location.hash;
2034 return hash && hash.slice( 1 ) === elem.id;
2035 },
2036
2037 "root": function( elem ) {
2038 return elem === docElem;
2039 },
2040
2041 "focus": function( elem ) {
2042 return elem === document.activeElement && (!document.hasFocus || document.hasFocus()) && !!(elem.type || elem.href || ~elem.tabIndex);
2043 },
2044
2045 // Boolean properties
2046 "enabled": createDisabledPseudo( false ),
2047 "disabled": createDisabledPseudo( true ),
2048
2049 "checked": function( elem ) {
2050 // In CSS3, :checked should return both checked and selected elements
2051 // http://www.w3.org/TR/2011/REC-css3-selectors-20110929/#checked
2052 var nodeName = elem.nodeName.toLowerCase();
2053 return (nodeName === "input" && !!elem.checked) || (nodeName === "option" && !!elem.selected);
2054 },
2055
2056 "selected": function( elem ) {
2057 // Accessing this property makes selected-by-default
2058 // options in Safari work properly
2059 if ( elem.parentNode ) {
2060 elem.parentNode.selectedIndex;
2061 }
2062
2063 return elem.selected === true;
2064 },
2065
2066 // Contents
2067 "empty": function( elem ) {
2068 // http://www.w3.org/TR/selectors/#empty-pseudo
2069 // :empty is negated by element (1) or content nodes (text: 3; cdata: 4; entity ref: 5),
2070 // but not by others (comment: 8; processing instruction: 7; etc.)
2071 // nodeType < 6 works because attributes (2) do not appear as children
2072 for ( elem = elem.firstChild; elem; elem = elem.nextSibling ) {
2073 if ( elem.nodeType < 6 ) {
2074 return false;
2075 }
2076 }
2077 return true;
2078 },
2079
2080 "parent": function( elem ) {
2081 return !Expr.pseudos["empty"]( elem );
2082 },
2083
2084 // Element/input types
2085 "header": function( elem ) {
2086 return rheader.test( elem.nodeName );
2087 },
2088
2089 "input": function( elem ) {
2090 return rinputs.test( elem.nodeName );
2091 },
2092
2093 "button": function( elem ) {
2094 var name = elem.nodeName.toLowerCase();
2095 return name === "input" && elem.type === "button" || name === "button";
2096 },
2097
2098 "text": function( elem ) {
2099 var attr;
2100 return elem.nodeName.toLowerCase() === "input" &&
2101 elem.type === "text" &&
2102
2103 // Support: IE<8
2104 // New HTML5 attribute values (e.g., "search") appear with elem.type === "text"
2105 ( (attr = elem.getAttribute("type")) == null || attr.toLowerCase() === "text" );
2106 },
2107
2108 // Position-in-collection
2109 "first": createPositionalPseudo(function() {
2110 return [ 0 ];
2111 }),
2112
2113 "last": createPositionalPseudo(function( matchIndexes, length ) {
2114 return [ length - 1 ];
2115 }),
2116
2117 "eq": createPositionalPseudo(function( matchIndexes, length, argument ) {
2118 return [ argument < 0 ? argument + length : argument ];
2119 }),
2120
2121 "even": createPositionalPseudo(function( matchIndexes, length ) {
2122 var i = 0;
2123 for ( ; i < length; i += 2 ) {
2124 matchIndexes.push( i );
2125 }
2126 return matchIndexes;
2127 }),
2128
2129 "odd": createPositionalPseudo(function( matchIndexes, length ) {
2130 var i = 1;
2131 for ( ; i < length; i += 2 ) {
2132 matchIndexes.push( i );
2133 }
2134 return matchIndexes;
2135 }),
2136
2137 "lt": createPositionalPseudo(function( matchIndexes, length, argument ) {
2138 var i = argument < 0 ? argument + length : argument;
2139 for ( ; --i >= 0; ) {
2140 matchIndexes.push( i );
2141 }
2142 return matchIndexes;
2143 }),
2144
2145 "gt": createPositionalPseudo(function( matchIndexes, length, argument ) {
2146 var i = argument < 0 ? argument + length : argument;
2147 for ( ; ++i < length; ) {
2148 matchIndexes.push( i );
2149 }
2150 return matchIndexes;
2151 })
2152 }
2153 };
2154
2155 Expr.pseudos["nth"] = Expr.pseudos["eq"];
2156
2157 // Add button/input type pseudos
2158 for ( i in { radio: true, checkbox: true, file: true, password: true, image: true } ) {
2159 Expr.pseudos[ i ] = createInputPseudo( i );
2160 }
2161 for ( i in { submit: true, reset: true } ) {
2162 Expr.pseudos[ i ] = createButtonPseudo( i );
2163 }
2164
2165 // Easy API for creating new setFilters
2166 function setFilters() {}
2167 setFilters.prototype = Expr.filters = Expr.pseudos;
2168 Expr.setFilters = new setFilters();
2169
2170 tokenize = Sizzle.tokenize = function( selector, parseOnly ) {
2171 var matched, match, tokens, type,
2172 soFar, groups, preFilters,
2173 cached = tokenCache[ selector + " " ];
2174
2175 if ( cached ) {
2176 return parseOnly ? 0 : cached.slice( 0 );
2177 }
2178
2179 soFar = selector;
2180 groups = [];
2181 preFilters = Expr.preFilter;
2182
2183 while ( soFar ) {
2184
2185 // Comma and first run
2186 if ( !matched || (match = rcomma.exec( soFar )) ) {
2187 if ( match ) {
2188 // Don't consume trailing commas as valid
2189 soFar = soFar.slice( match[0].length ) || soFar;
2190 }
2191 groups.push( (tokens = []) );
2192 }
2193
2194 matched = false;
2195
2196 // Combinators
2197 if ( (match = rcombinators.exec( soFar )) ) {
2198 matched = match.shift();
2199 tokens.push({
2200 value: matched,
2201 // Cast descendant combinators to space
2202 type: match[0].replace( rtrim, " " )
2203 });
2204 soFar = soFar.slice( matched.length );
2205 }
2206
2207 // Filters
2208 for ( type in Expr.filter ) {
2209 if ( (match = matchExpr[ type ].exec( soFar )) && (!preFilters[ type ] ||
2210 (match = preFilters[ type ]( match ))) ) {
2211 matched = match.shift();
2212 tokens.push({
2213 value: matched,
2214 type: type,
2215 matches: match
2216 });
2217 soFar = soFar.slice( matched.length );
2218 }
2219 }
2220
2221 if ( !matched ) {
2222 break;
2223 }
2224 }
2225
2226 // Return the length of the invalid excess
2227 // if we're just parsing
2228 // Otherwise, throw an error or return tokens
2229 return parseOnly ?
2230 soFar.length :
2231 soFar ?
2232 Sizzle.error( selector ) :
2233 // Cache the tokens
2234 tokenCache( selector, groups ).slice( 0 );
2235 };
2236
2237 function toSelector( tokens ) {
2238 var i = 0,
2239 len = tokens.length,
2240 selector = "";
2241 for ( ; i < len; i++ ) {
2242 selector += tokens[i].value;
2243 }
2244 return selector;
2245 }
2246
2247 function addCombinator( matcher, combinator, base ) {
2248 var dir = combinator.dir,
2249 skip = combinator.next,
2250 key = skip || dir,
2251 checkNonElements = base && key === "parentNode",
2252 doneName = done++;
2253
2254 return combinator.first ?
2255 // Check against closest ancestor/preceding element
2256 function( elem, context, xml ) {
2257 while ( (elem = elem[ dir ]) ) {
2258 if ( elem.nodeType === 1 || checkNonElements ) {
2259 return matcher( elem, context, xml );
2260 }
2261 }
2262 return false;
2263 } :
2264
2265 // Check against all ancestor/preceding elements
2266 function( elem, context, xml ) {
2267 var oldCache, uniqueCache, outerCache,
2268 newCache = [ dirruns, doneName ];
2269
2270 // We can't set arbitrary data on XML nodes, so they don't benefit from combinator caching
2271 if ( xml ) {
2272 while ( (elem = elem[ dir ]) ) {
2273 if ( elem.nodeType === 1 || checkNonElements ) {
2274 if ( matcher( elem, context, xml ) ) {
2275 return true;
2276 }
2277 }
2278 }
2279 } else {
2280 while ( (elem = elem[ dir ]) ) {
2281 if ( elem.nodeType === 1 || checkNonElements ) {
2282 outerCache = elem[ expando ] || (elem[ expando ] = {});
2283
2284 // Support: IE <9 only
2285 // Defend against cloned attroperties (jQuery gh-1709)
2286 uniqueCache = outerCache[ elem.uniqueID ] || (outerCache[ elem.uniqueID ] = {});
2287
2288 if ( skip && skip === elem.nodeName.toLowerCase() ) {
2289 elem = elem[ dir ] || elem;
2290 } else if ( (oldCache = uniqueCache[ key ]) &&
2291 oldCache[ 0 ] === dirruns && oldCache[ 1 ] === doneName ) {
2292
2293 // Assign to newCache so results back-propagate to previous elements
2294 return (newCache[ 2 ] = oldCache[ 2 ]);
2295 } else {
2296 // Reuse newcache so results back-propagate to previous elements
2297 uniqueCache[ key ] = newCache;
2298
2299 // A match means we're done; a fail means we have to keep checking
2300 if ( (newCache[ 2 ] = matcher( elem, context, xml )) ) {
2301 return true;
2302 }
2303 }
2304 }
2305 }
2306 }
2307 return false;
2308 };
2309 }
2310
2311 function elementMatcher( matchers ) {
2312 return matchers.length > 1 ?
2313 function( elem, context, xml ) {
2314 var i = matchers.length;
2315 while ( i-- ) {
2316 if ( !matchers[i]( elem, context, xml ) ) {
2317 return false;
2318 }
2319 }
2320 return true;
2321 } :
2322 matchers[0];
2323 }
2324
2325 function multipleContexts( selector, contexts, results ) {
2326 var i = 0,
2327 len = contexts.length;
2328 for ( ; i < len; i++ ) {
2329 Sizzle( selector, contexts[i], results );
2330 }
2331 return results;
2332 }
2333
2334 function condense( unmatched, map, filter, context, xml ) {
2335 var elem,
2336 newUnmatched = [],
2337 i = 0,
2338 len = unmatched.length,
2339 mapped = map != null;
2340
2341 for ( ; i < len; i++ ) {
2342 if ( (elem = unmatched[i]) ) {
2343 if ( !filter || filter( elem, context, xml ) ) {
2344 newUnmatched.push( elem );
2345 if ( mapped ) {
2346 map.push( i );
2347 }
2348 }
2349 }
2350 }
2351
2352 return newUnmatched;
2353 }
2354
2355 function setMatcher( preFilter, selector, matcher, postFilter, postFinder, postSelector ) {
2356 if ( postFilter && !postFilter[ expando ] ) {
2357 postFilter = setMatcher( postFilter );
2358 }
2359 if ( postFinder && !postFinder[ expando ] ) {
2360 postFinder = setMatcher( postFinder, postSelector );
2361 }
2362 return markFunction(function( seed, results, context, xml ) {
2363 var temp, i, elem,
2364 preMap = [],
2365 postMap = [],
2366 preexisting = results.length,
2367
2368 // Get initial elements from seed or context
2369 elems = seed || multipleContexts( selector || "*", context.nodeType ? [ context ] : context, [] ),
2370
2371 // Prefilter to get matcher input, preserving a map for seed-results synchronization
2372 matcherIn = preFilter && ( seed || !selector ) ?
2373 condense( elems, preMap, preFilter, context, xml ) :
2374 elems,
2375
2376 matcherOut = matcher ?
2377 // If we have a postFinder, or filtered seed, or non-seed postFilter or preexisting results,
2378 postFinder || ( seed ? preFilter : preexisting || postFilter ) ?
2379
2380 // ...intermediate processing is necessary
2381 [] :
2382
2383 // ...otherwise use results directly
2384 results :
2385 matcherIn;
2386
2387 // Find primary matches
2388 if ( matcher ) {
2389 matcher( matcherIn, matcherOut, context, xml );
2390 }
2391
2392 // Apply postFilter
2393 if ( postFilter ) {
2394 temp = condense( matcherOut, postMap );
2395 postFilter( temp, [], context, xml );
2396
2397 // Un-match failing elements by moving them back to matcherIn
2398 i = temp.length;
2399 while ( i-- ) {
2400 if ( (elem = temp[i]) ) {
2401 matcherOut[ postMap[i] ] = !(matcherIn[ postMap[i] ] = elem);
2402 }
2403 }
2404 }
2405
2406 if ( seed ) {
2407 if ( postFinder || preFilter ) {
2408 if ( postFinder ) {
2409 // Get the final matcherOut by condensing this intermediate into postFinder contexts
2410 temp = [];
2411 i = matcherOut.length;
2412 while ( i-- ) {
2413 if ( (elem = matcherOut[i]) ) {
2414 // Restore matcherIn since elem is not yet a final match
2415 temp.push( (matcherIn[i] = elem) );
2416 }
2417 }
2418 postFinder( null, (matcherOut = []), temp, xml );
2419 }
2420
2421 // Move matched elements from seed to results to keep them synchronized
2422 i = matcherOut.length;
2423 while ( i-- ) {
2424 if ( (elem = matcherOut[i]) &&
2425 (temp = postFinder ? indexOf( seed, elem ) : preMap[i]) > -1 ) {
2426
2427 seed[temp] = !(results[temp] = elem);
2428 }
2429 }
2430 }
2431
2432 // Add elements to results, through postFinder if defined
2433 } else {
2434 matcherOut = condense(
2435 matcherOut === results ?
2436 matcherOut.splice( preexisting, matcherOut.length ) :
2437 matcherOut
2438 );
2439 if ( postFinder ) {
2440 postFinder( null, results, matcherOut, xml );
2441 } else {
2442 push.apply( results, matcherOut );
2443 }
2444 }
2445 });
2446 }
2447
2448 function matcherFromTokens( tokens ) {
2449 var checkContext, matcher, j,
2450 len = tokens.length,
2451 leadingRelative = Expr.relative[ tokens[0].type ],
2452 implicitRelative = leadingRelative || Expr.relative[" "],
2453 i = leadingRelative ? 1 : 0,
2454
2455 // The foundational matcher ensures that elements are reachable from top-level context(s)
2456 matchContext = addCombinator( function( elem ) {
2457 return elem === checkContext;
2458 }, implicitRelative, true ),
2459 matchAnyContext = addCombinator( function( elem ) {
2460 return indexOf( checkContext, elem ) > -1;
2461 }, implicitRelative, true ),
2462 matchers = [ function( elem, context, xml ) {
2463 var ret = ( !leadingRelative && ( xml || context !== outermostContext ) ) || (
2464 (checkContext = context).nodeType ?
2465 matchContext( elem, context, xml ) :
2466 matchAnyContext( elem, context, xml ) );
2467 // Avoid hanging onto element (issue #299)
2468 checkContext = null;
2469 return ret;
2470 } ];
2471
2472 for ( ; i < len; i++ ) {
2473 if ( (matcher = Expr.relative[ tokens[i].type ]) ) {
2474 matchers = [ addCombinator(elementMatcher( matchers ), matcher) ];
2475 } else {
2476 matcher = Expr.filter[ tokens[i].type ].apply( null, tokens[i].matches );
2477
2478 // Return special upon seeing a positional matcher
2479 if ( matcher[ expando ] ) {
2480 // Find the next relative operator (if any) for proper handling
2481 j = ++i;
2482 for ( ; j < len; j++ ) {
2483 if ( Expr.relative[ tokens[j].type ] ) {
2484 break;
2485 }
2486 }
2487 return setMatcher(
2488 i > 1 && elementMatcher( matchers ),
2489 i > 1 && toSelector(
2490 // If the preceding token was a descendant combinator, insert an implicit any-element `*`
2491 tokens.slice( 0, i - 1 ).concat({ value: tokens[ i - 2 ].type === " " ? "*" : "" })
2492 ).replace( rtrim, "$1" ),
2493 matcher,
2494 i < j && matcherFromTokens( tokens.slice( i, j ) ),
2495 j < len && matcherFromTokens( (tokens = tokens.slice( j )) ),
2496 j < len && toSelector( tokens )
2497 );
2498 }
2499 matchers.push( matcher );
2500 }
2501 }
2502
2503 return elementMatcher( matchers );
2504 }
2505
2506 function matcherFromGroupMatchers( elementMatchers, setMatchers ) {
2507 var bySet = setMatchers.length > 0,
2508 byElement = elementMatchers.length > 0,
2509 superMatcher = function( seed, context, xml, results, outermost ) {
2510 var elem, j, matcher,
2511 matchedCount = 0,
2512 i = "0",
2513 unmatched = seed && [],
2514 setMatched = [],
2515 contextBackup = outermostContext,
2516 // We must always have either seed elements or outermost context
2517 elems = seed || byElement && Expr.find["TAG"]( "*", outermost ),
2518 // Use integer dirruns iff this is the outermost matcher
2519 dirrunsUnique = (dirruns += contextBackup == null ? 1 : Math.random() || 0.1),
2520 len = elems.length;
2521
2522 if ( outermost ) {
2523 outermostContext = context === document || context || outermost;
2524 }
2525
2526 // Add elements passing elementMatchers directly to results
2527 // Support: IE<9, Safari
2528 // Tolerate NodeList properties (IE: "length"; Safari: <number>) matching elements by id
2529 for ( ; i !== len && (elem = elems[i]) != null; i++ ) {
2530 if ( byElement && elem ) {
2531 j = 0;
2532 if ( !context && elem.ownerDocument !== document ) {
2533 setDocument( elem );
2534 xml = !documentIsHTML;
2535 }
2536 while ( (matcher = elementMatchers[j++]) ) {
2537 if ( matcher( elem, context || document, xml) ) {
2538 results.push( elem );
2539 break;
2540 }
2541 }
2542 if ( outermost ) {
2543 dirruns = dirrunsUnique;
2544 }
2545 }
2546
2547 // Track unmatched elements for set filters
2548 if ( bySet ) {
2549 // They will have gone through all possible matchers
2550 if ( (elem = !matcher && elem) ) {
2551 matchedCount--;
2552 }
2553
2554 // Lengthen the array for every element, matched or not
2555 if ( seed ) {
2556 unmatched.push( elem );
2557 }
2558 }
2559 }
2560
2561 // `i` is now the count of elements visited above, and adding it to `matchedCount`
2562 // makes the latter nonnegative.
2563 matchedCount += i;
2564
2565 // Apply set filters to unmatched elements
2566 // NOTE: This can be skipped if there are no unmatched elements (i.e., `matchedCount`
2567 // equals `i`), unless we didn't visit _any_ elements in the above loop because we have
2568 // no element matchers and no seed.
2569 // Incrementing an initially-string "0" `i` allows `i` to remain a string only in that
2570 // case, which will result in a "00" `matchedCount` that differs from `i` but is also
2571 // numerically zero.
2572 if ( bySet && i !== matchedCount ) {
2573 j = 0;
2574 while ( (matcher = setMatchers[j++]) ) {
2575 matcher( unmatched, setMatched, context, xml );
2576 }
2577
2578 if ( seed ) {
2579 // Reintegrate element matches to eliminate the need for sorting
2580 if ( matchedCount > 0 ) {
2581 while ( i-- ) {
2582 if ( !(unmatched[i] || setMatched[i]) ) {
2583 setMatched[i] = pop.call( results );
2584 }
2585 }
2586 }
2587
2588 // Discard index placeholder values to get only actual matches
2589 setMatched = condense( setMatched );
2590 }
2591
2592 // Add matches to results
2593 push.apply( results, setMatched );
2594
2595 // Seedless set matches succeeding multiple successful matchers stipulate sorting
2596 if ( outermost && !seed && setMatched.length > 0 &&
2597 ( matchedCount + setMatchers.length ) > 1 ) {
2598
2599 Sizzle.uniqueSort( results );
2600 }
2601 }
2602
2603 // Override manipulation of globals by nested matchers
2604 if ( outermost ) {
2605 dirruns = dirrunsUnique;
2606 outermostContext = contextBackup;
2607 }
2608
2609 return unmatched;
2610 };
2611
2612 return bySet ?
2613 markFunction( superMatcher ) :
2614 superMatcher;
2615 }
2616
2617 compile = Sizzle.compile = function( selector, match /* Internal Use Only */ ) {
2618 var i,
2619 setMatchers = [],
2620 elementMatchers = [],
2621 cached = compilerCache[ selector + " " ];
2622
2623 if ( !cached ) {
2624 // Generate a function of recursive functions that can be used to check each element
2625 if ( !match ) {
2626 match = tokenize( selector );
2627 }
2628 i = match.length;
2629 while ( i-- ) {
2630 cached = matcherFromTokens( match[i] );
2631 if ( cached[ expando ] ) {
2632 setMatchers.push( cached );
2633 } else {
2634 elementMatchers.push( cached );
2635 }
2636 }
2637
2638 // Cache the compiled function
2639 cached = compilerCache( selector, matcherFromGroupMatchers( elementMatchers, setMatchers ) );
2640
2641 // Save selector and tokenization
2642 cached.selector = selector;
2643 }
2644 return cached;
2645 };
2646
2647 /**
2648 * A low-level selection function that works with Sizzle's compiled
2649 * selector functions
2650 * @param {String|Function} selector A selector or a pre-compiled
2651 * selector function built with Sizzle.compile
2652 * @param {Element} context
2653 * @param {Array} [results]
2654 * @param {Array} [seed] A set of elements to match against
2655 */
2656 select = Sizzle.select = function( selector, context, results, seed ) {
2657 var i, tokens, token, type, find,
2658 compiled = typeof selector === "function" && selector,
2659 match = !seed && tokenize( (selector = compiled.selector || selector) );
2660
2661 results = results || [];
2662
2663 // Try to minimize operations if there is only one selector in the list and no seed
2664 // (the latter of which guarantees us context)
2665 if ( match.length === 1 ) {
2666
2667 // Reduce context if the leading compound selector is an ID
2668 tokens = match[0] = match[0].slice( 0 );
2669 if ( tokens.length > 2 && (token = tokens[0]).type === "ID" &&
2670 context.nodeType === 9 && documentIsHTML && Expr.relative[ tokens[1].type ] ) {
2671
2672 context = ( Expr.find["ID"]( token.matches[0].replace(runescape, funescape), context ) || [] )[0];
2673 if ( !context ) {
2674 return results;
2675
2676 // Precompiled matchers will still verify ancestry, so step up a level
2677 } else if ( compiled ) {
2678 context = context.parentNode;
2679 }
2680
2681 selector = selector.slice( tokens.shift().value.length );
2682 }
2683
2684 // Fetch a seed set for right-to-left matching
2685 i = matchExpr["needsContext"].test( selector ) ? 0 : tokens.length;
2686 while ( i-- ) {
2687 token = tokens[i];
2688
2689 // Abort if we hit a combinator
2690 if ( Expr.relative[ (type = token.type) ] ) {
2691 break;
2692 }
2693 if ( (find = Expr.find[ type ]) ) {
2694 // Search, expanding context for leading sibling combinators
2695 if ( (seed = find(
2696 token.matches[0].replace( runescape, funescape ),
2697 rsibling.test( tokens[0].type ) && testContext( context.parentNode ) || context
2698 )) ) {
2699
2700 // If seed is empty or no tokens remain, we can return early
2701 tokens.splice( i, 1 );
2702 selector = seed.length && toSelector( tokens );
2703 if ( !selector ) {
2704 push.apply( results, seed );
2705 return results;
2706 }
2707
2708 break;
2709 }
2710 }
2711 }
2712 }
2713
2714 // Compile and execute a filtering function if one is not provided
2715 // Provide `match` to avoid retokenization if we modified the selector above
2716 ( compiled || compile( selector, match ) )(
2717 seed,
2718 context,
2719 !documentIsHTML,
2720 results,
2721 !context || rsibling.test( selector ) && testContext( context.parentNode ) || context
2722 );
2723 return results;
2724 };
2725
2726 // One-time assignments
2727
2728 // Sort stability
2729 support.sortStable = expando.split("").sort( sortOrder ).join("") === expando;
2730
2731 // Support: Chrome 14-35+
2732 // Always assume duplicates if they aren't passed to the comparison function
2733 support.detectDuplicates = !!hasDuplicate;
2734
2735 // Initialize against the default document
2736 setDocument();
2737
2738 // Support: Webkit<537.32 - Safari 6.0.3/Chrome 25 (fixed in Chrome 27)
2739 // Detached nodes confoundingly follow *each other*
2740 support.sortDetached = assert(function( el ) {
2741 // Should return 1, but returns 4 (following)
2742 return el.compareDocumentPosition( document.createElement("fieldset") ) & 1;
2743 });
2744
2745 // Support: IE<8
2746 // Prevent attribute/property "interpolation"
2747 // https://msdn.microsoft.com/en-us/library/ms536429%28VS.85%29.aspx
2748 if ( !assert(function( el ) {
2749 el.innerHTML = "<a href='#'></a>";
2750 return el.firstChild.getAttribute("href") === "#" ;
2751 }) ) {
2752 addHandle( "type|href|height|width", function( elem, name, isXML ) {
2753 if ( !isXML ) {
2754 return elem.getAttribute( name, name.toLowerCase() === "type" ? 1 : 2 );
2755 }
2756 });
2757 }
2758
2759 // Support: IE<9
2760 // Use defaultValue in place of getAttribute("value")
2761 if ( !support.attributes || !assert(function( el ) {
2762 el.innerHTML = "<input/>";
2763 el.firstChild.setAttribute( "value", "" );
2764 return el.firstChild.getAttribute( "value" ) === "";
2765 }) ) {
2766 addHandle( "value", function( elem, name, isXML ) {
2767 if ( !isXML && elem.nodeName.toLowerCase() === "input" ) {
2768 return elem.defaultValue;
2769 }
2770 });
2771 }
2772
2773 // Support: IE<9
2774 // Use getAttributeNode to fetch booleans when getAttribute lies
2775 if ( !assert(function( el ) {
2776 return el.getAttribute("disabled") == null;
2777 }) ) {
2778 addHandle( booleans, function( elem, name, isXML ) {
2779 var val;
2780 if ( !isXML ) {
2781 return elem[ name ] === true ? name.toLowerCase() :
2782 (val = elem.getAttributeNode( name )) && val.specified ?
2783 val.value :
2784 null;
2785 }
2786 });
2787 }
2788
2789 return Sizzle;
2790
2791 })( window );
2792
2793
2794
2795 jQuery.find = Sizzle;
2796 jQuery.expr = Sizzle.selectors;
2797
2798 // Deprecated
2799 jQuery.expr[ ":" ] = jQuery.expr.pseudos;
2800 jQuery.uniqueSort = jQuery.unique = Sizzle.uniqueSort;
2801 jQuery.text = Sizzle.getText;
2802 jQuery.isXMLDoc = Sizzle.isXML;
2803 jQuery.contains = Sizzle.contains;
2804 jQuery.escapeSelector = Sizzle.escape;
2805
2806
2807
2808
2809 var dir = function( elem, dir, until ) {
2810 var matched = [],
2811 truncate = until !== undefined;
2812
2813 while ( ( elem = elem[ dir ] ) && elem.nodeType !== 9 ) {
2814 if ( elem.nodeType === 1 ) {
2815 if ( truncate && jQuery( elem ).is( until ) ) {
2816 break;
2817 }
2818 matched.push( elem );
2819 }
2820 }
2821 return matched;
2822 };
2823
2824
2825 var siblings = function( n, elem ) {
2826 var matched = [];
2827
2828 for ( ; n; n = n.nextSibling ) {
2829 if ( n.nodeType === 1 && n !== elem ) {
2830 matched.push( n );
2831 }
2832 }
2833
2834 return matched;
2835 };
2836
2837
2838 var rneedsContext = jQuery.expr.match.needsContext;
2839
2840
2841
2842 function nodeName( elem, name ) {
2843
2844 return elem.nodeName && elem.nodeName.toLowerCase() === name.toLowerCase();
2845
2846 };
2847 var rsingleTag = ( /^<([a-z][^\/\0>:\x20\t\r\n\f]*)[\x20\t\r\n\f]*\/?>(?:<\/\1>|)$/i );
2848
2849
2850
2851 var risSimple = /^.[^:#\[\.,]*$/;
2852
2853 // Implement the identical functionality for filter and not
2854 function winnow( elements, qualifier, not ) {
2855 if ( jQuery.isFunction( qualifier ) ) {
2856 return jQuery.grep( elements, function( elem, i ) {
2857 return !!qualifier.call( elem, i, elem ) !== not;
2858 } );
2859 }
2860
2861 // Single element
2862 if ( qualifier.nodeType ) {
2863 return jQuery.grep( elements, function( elem ) {
2864 return ( elem === qualifier ) !== not;
2865 } );
2866 }
2867
2868 // Arraylike of elements (jQuery, arguments, Array)
2869 if ( typeof qualifier !== "string" ) {
2870 return jQuery.grep( elements, function( elem ) {
2871 return ( indexOf.call( qualifier, elem ) > -1 ) !== not;
2872 } );
2873 }
2874
2875 // Simple selector that can be filtered directly, removing non-Elements
2876 if ( risSimple.test( qualifier ) ) {
2877 return jQuery.filter( qualifier, elements, not );
2878 }
2879
2880 // Complex selector, compare the two sets, removing non-Elements
2881 qualifier = jQuery.filter( qualifier, elements );
2882 return jQuery.grep( elements, function( elem ) {
2883 return ( indexOf.call( qualifier, elem ) > -1 ) !== not && elem.nodeType === 1;
2884 } );
2885 }
2886
2887 jQuery.filter = function( expr, elems, not ) {
2888 var elem = elems[ 0 ];
2889
2890 if ( not ) {
2891 expr = ":not(" + expr + ")";
2892 }
2893
2894 if ( elems.length === 1 && elem.nodeType === 1 ) {
2895 return jQuery.find.matchesSelector( elem, expr ) ? [ elem ] : [];
2896 }
2897
2898 return jQuery.find.matches( expr, jQuery.grep( elems, function( elem ) {
2899 return elem.nodeType === 1;
2900 } ) );
2901 };
2902
2903 jQuery.fn.extend( {
2904 find: function( selector ) {
2905 var i, ret,
2906 len = this.length,
2907 self = this;
2908
2909 if ( typeof selector !== "string" ) {
2910 return this.pushStack( jQuery( selector ).filter( function() {
2911 for ( i = 0; i < len; i++ ) {
2912 if ( jQuery.contains( self[ i ], this ) ) {
2913 return true;
2914 }
2915 }
2916 } ) );
2917 }
2918
2919 ret = this.pushStack( [] );
2920
2921 for ( i = 0; i < len; i++ ) {
2922 jQuery.find( selector, self[ i ], ret );
2923 }
2924
2925 return len > 1 ? jQuery.uniqueSort( ret ) : ret;
2926 },
2927 filter: function( selector ) {
2928 return this.pushStack( winnow( this, selector || [], false ) );
2929 },
2930 not: function( selector ) {
2931 return this.pushStack( winnow( this, selector || [], true ) );
2932 },
2933 is: function( selector ) {
2934 return !!winnow(
2935 this,
2936
2937 // If this is a positional/relative selector, check membership in the returned set
2938 // so $("p:first").is("p:last") won't return true for a doc with two "p".
2939 typeof selector === "string" && rneedsContext.test( selector ) ?
2940 jQuery( selector ) :
2941 selector || [],
2942 false
2943 ).length;
2944 }
2945 } );
2946
2947
2948 // Initialize a jQuery object
2949
2950
2951 // A central reference to the root jQuery(document)
2952 var rootjQuery,
2953
2954 // A simple way to check for HTML strings
2955 // Prioritize #id over <tag> to avoid XSS via location.hash (#9521)
2956 // Strict HTML recognition (#11290: must start with <)
2957 // Shortcut simple #id case for speed
2958 rquickExpr = /^(?:\s*(<[\w\W]+>)[^>]*|#([\w-]+))$/,
2959
2960 init = jQuery.fn.init = function( selector, context, root ) {
2961 var match, elem;
2962
2963 // HANDLE: $(""), $(null), $(undefined), $(false)
2964 if ( !selector ) {
2965 return this;
2966 }
2967
2968 // Method init() accepts an alternate rootjQuery
2969 // so migrate can support jQuery.sub (gh-2101)
2970 root = root || rootjQuery;
2971
2972 // Handle HTML strings
2973 if ( typeof selector === "string" ) {
2974 if ( selector[ 0 ] === "<" &&
2975 selector[ selector.length - 1 ] === ">" &&
2976 selector.length >= 3 ) {
2977
2978 // Assume that strings that start and end with <> are HTML and skip the regex check
2979 match = [ null, selector, null ];
2980
2981 } else {
2982 match = rquickExpr.exec( selector );
2983 }
2984
2985 // Match html or make sure no context is specified for #id
2986 if ( match && ( match[ 1 ] || !context ) ) {
2987
2988 // HANDLE: $(html) -> $(array)
2989 if ( match[ 1 ] ) {
2990 context = context instanceof jQuery ? context[ 0 ] : context;
2991
2992 // Option to run scripts is true for back-compat
2993 // Intentionally let the error be thrown if parseHTML is not present
2994 jQuery.merge( this, jQuery.parseHTML(
2995 match[ 1 ],
2996 context && context.nodeType ? context.ownerDocument || context : document,
2997 true
2998 ) );
2999
3000 // HANDLE: $(html, props)
3001 if ( rsingleTag.test( match[ 1 ] ) && jQuery.isPlainObject( context ) ) {
3002 for ( match in context ) {
3003
3004 // Properties of context are called as methods if possible
3005 if ( jQuery.isFunction( this[ match ] ) ) {
3006 this[ match ]( context[ match ] );
3007
3008 // ...and otherwise set as attributes
3009 } else {
3010 this.attr( match, context[ match ] );
3011 }
3012 }
3013 }
3014
3015 return this;
3016
3017 // HANDLE: $(#id)
3018 } else {
3019 elem = document.getElementById( match[ 2 ] );
3020
3021 if ( elem ) {
3022
3023 // Inject the element directly into the jQuery object
3024 this[ 0 ] = elem;
3025 this.length = 1;
3026 }
3027 return this;
3028 }
3029
3030 // HANDLE: $(expr, $(...))
3031 } else if ( !context || context.jquery ) {
3032 return ( context || root ).find( selector );
3033
3034 // HANDLE: $(expr, context)
3035 // (which is just equivalent to: $(context).find(expr)
3036 } else {
3037 return this.constructor( context ).find( selector );
3038 }
3039
3040 // HANDLE: $(DOMElement)
3041 } else if ( selector.nodeType ) {
3042 this[ 0 ] = selector;
3043 this.length = 1;
3044 return this;
3045
3046 // HANDLE: $(function)
3047 // Shortcut for document ready
3048 } else if ( jQuery.isFunction( selector ) ) {
3049 return root.ready !== undefined ?
3050 root.ready( selector ) :
3051
3052 // Execute immediately if ready is not present
3053 selector( jQuery );
3054 }
3055
3056 return jQuery.makeArray( selector, this );
3057 };
3058
3059 // Give the init function the jQuery prototype for later instantiation
3060 init.prototype = jQuery.fn;
3061
3062 // Initialize central reference
3063 rootjQuery = jQuery( document );
3064
3065
3066 var rparentsprev = /^(?:parents|prev(?:Until|All))/,
3067
3068 // Methods guaranteed to produce a unique set when starting from a unique set
3069 guaranteedUnique = {
3070 children: true,
3071 contents: true,
3072 next: true,
3073 prev: true
3074 };
3075
3076 jQuery.fn.extend( {
3077 has: function( target ) {
3078 var targets = jQuery( target, this ),
3079 l = targets.length;
3080
3081 return this.filter( function() {
3082 var i = 0;
3083 for ( ; i < l; i++ ) {
3084 if ( jQuery.contains( this, targets[ i ] ) ) {
3085 return true;
3086 }
3087 }
3088 } );
3089 },
3090
3091 closest: function( selectors, context ) {
3092 var cur,
3093 i = 0,
3094 l = this.length,
3095 matched = [],
3096 targets = typeof selectors !== "string" && jQuery( selectors );
3097
3098 // Positional selectors never match, since there's no _selection_ context
3099 if ( !rneedsContext.test( selectors ) ) {
3100 for ( ; i < l; i++ ) {
3101 for ( cur = this[ i ]; cur && cur !== context; cur = cur.parentNode ) {
3102
3103 // Always skip document fragments
3104 if ( cur.nodeType < 11 && ( targets ?
3105 targets.index( cur ) > -1 :
3106
3107 // Don't pass non-elements to Sizzle
3108 cur.nodeType === 1 &&
3109 jQuery.find.matchesSelector( cur, selectors ) ) ) {
3110
3111 matched.push( cur );
3112 break;
3113 }
3114 }
3115 }
3116 }
3117
3118 return this.pushStack( matched.length > 1 ? jQuery.uniqueSort( matched ) : matched );
3119 },
3120
3121 // Determine the position of an element within the set
3122 index: function( elem ) {
3123
3124 // No argument, return index in parent
3125 if ( !elem ) {
3126 return ( this[ 0 ] && this[ 0 ].parentNode ) ? this.first().prevAll().length : -1;
3127 }
3128
3129 // Index in selector
3130 if ( typeof elem === "string" ) {
3131 return indexOf.call( jQuery( elem ), this[ 0 ] );
3132 }
3133
3134 // Locate the position of the desired element
3135 return indexOf.call( this,
3136
3137 // If it receives a jQuery object, the first element is used
3138 elem.jquery ? elem[ 0 ] : elem
3139 );
3140 },
3141
3142 add: function( selector, context ) {
3143 return this.pushStack(
3144 jQuery.uniqueSort(
3145 jQuery.merge( this.get(), jQuery( selector, context ) )
3146 )
3147 );
3148 },
3149
3150 addBack: function( selector ) {
3151 return this.add( selector == null ?
3152 this.prevObject : this.prevObject.filter( selector )
3153 );
3154 }
3155 } );
3156
3157 function sibling( cur, dir ) {
3158 while ( ( cur = cur[ dir ] ) && cur.nodeType !== 1 ) {}
3159 return cur;
3160 }
3161
3162 jQuery.each( {
3163 parent: function( elem ) {
3164 var parent = elem.parentNode;
3165 return parent && parent.nodeType !== 11 ? parent : null;
3166 },
3167 parents: function( elem ) {
3168 return dir( elem, "parentNode" );
3169 },
3170 parentsUntil: function( elem, i, until ) {
3171 return dir( elem, "parentNode", until );
3172 },
3173 next: function( elem ) {
3174 return sibling( elem, "nextSibling" );
3175 },
3176 prev: function( elem ) {
3177 return sibling( elem, "previousSibling" );
3178 },
3179 nextAll: function( elem ) {
3180 return dir( elem, "nextSibling" );
3181 },
3182 prevAll: function( elem ) {
3183 return dir( elem, "previousSibling" );
3184 },
3185 nextUntil: function( elem, i, until ) {
3186 return dir( elem, "nextSibling", until );
3187 },
3188 prevUntil: function( elem, i, until ) {
3189 return dir( elem, "previousSibling", until );
3190 },
3191 siblings: function( elem ) {
3192 return siblings( ( elem.parentNode || {} ).firstChild, elem );
3193 },
3194 children: function( elem ) {
3195 return siblings( elem.firstChild );
3196 },
3197 contents: function( elem ) {
3198 if ( nodeName( elem, "iframe" ) ) {
3199 return elem.contentDocument;
3200 }
3201
3202 // Support: IE 9 - 11 only, iOS 7 only, Android Browser <=4.3 only
3203 // Treat the template element as a regular one in browsers that
3204 // don't support it.
3205 if ( nodeName( elem, "template" ) ) {
3206 elem = elem.content || elem;
3207 }
3208
3209 return jQuery.merge( [], elem.childNodes );
3210 }
3211 }, function( name, fn ) {
3212 jQuery.fn[ name ] = function( until, selector ) {
3213 var matched = jQuery.map( this, fn, until );
3214
3215 if ( name.slice( -5 ) !== "Until" ) {
3216 selector = until;
3217 }
3218
3219 if ( selector && typeof selector === "string" ) {
3220 matched = jQuery.filter( selector, matched );
3221 }
3222
3223 if ( this.length > 1 ) {
3224
3225 // Remove duplicates
3226 if ( !guaranteedUnique[ name ] ) {
3227 jQuery.uniqueSort( matched );
3228 }
3229
3230 // Reverse order for parents* and prev-derivatives
3231 if ( rparentsprev.test( name ) ) {
3232 matched.reverse();
3233 }
3234 }
3235
3236 return this.pushStack( matched );
3237 };
3238 } );
3239 var rnothtmlwhite = ( /[^\x20\t\r\n\f]+/g );
3240
3241
3242
3243 // Convert String-formatted options into Object-formatted ones
3244 function createOptions( options ) {
3245 var object = {};
3246 jQuery.each( options.match( rnothtmlwhite ) || [], function( _, flag ) {
3247 object[ flag ] = true;
3248 } );
3249 return object;
3250 }
3251
3252 /*
3253 * Create a callback list using the following parameters:
3254 *
3255 * options: an optional list of space-separated options that will change how
3256 * the callback list behaves or a more traditional option object
3257 *
3258 * By default a callback list will act like an event callback list and can be
3259 * "fired" multiple times.
3260 *
3261 * Possible options:
3262 *
3263 * once: will ensure the callback list can only be fired once (like a Deferred)
3264 *
3265 * memory: will keep track of previous values and will call any callback added
3266 * after the list has been fired right away with the latest "memorized"
3267 * values (like a Deferred)
3268 *
3269 * unique: will ensure a callback can only be added once (no duplicate in the list)
3270 *
3271 * stopOnFalse: interrupt callings when a callback returns false
3272 *
3273 */
3274 jQuery.Callbacks = function( options ) {
3275
3276 // Convert options from String-formatted to Object-formatted if needed
3277 // (we check in cache first)
3278 options = typeof options === "string" ?
3279 createOptions( options ) :
3280 jQuery.extend( {}, options );
3281
3282 var // Flag to know if list is currently firing
3283 firing,
3284
3285 // Last fire value for non-forgettable lists
3286 memory,
3287
3288 // Flag to know if list was already fired
3289 fired,
3290
3291 // Flag to prevent firing
3292 locked,
3293
3294 // Actual callback list
3295 list = [],
3296
3297 // Queue of execution data for repeatable lists
3298 queue = [],
3299
3300 // Index of currently firing callback (modified by add/remove as needed)
3301 firingIndex = -1,
3302
3303 // Fire callbacks
3304 fire = function() {
3305
3306 // Enforce single-firing
3307 locked = locked || options.once;
3308
3309 // Execute callbacks for all pending executions,
3310 // respecting firingIndex overrides and runtime changes
3311 fired = firing = true;
3312 for ( ; queue.length; firingIndex = -1 ) {
3313 memory = queue.shift();
3314 while ( ++firingIndex < list.length ) {
3315
3316 // Run callback and check for early termination
3317 if ( list[ firingIndex ].apply( memory[ 0 ], memory[ 1 ] ) === false &&
3318 options.stopOnFalse ) {
3319
3320 // Jump to end and forget the data so .add doesn't re-fire
3321 firingIndex = list.length;
3322 memory = false;
3323 }
3324 }
3325 }
3326
3327 // Forget the data if we're done with it
3328 if ( !options.memory ) {
3329 memory = false;
3330 }
3331
3332 firing = false;
3333
3334 // Clean up if we're done firing for good
3335 if ( locked ) {
3336
3337 // Keep an empty list if we have data for future add calls
3338 if ( memory ) {
3339 list = [];
3340
3341 // Otherwise, this object is spent
3342 } else {
3343 list = "";
3344 }
3345 }
3346 },
3347
3348 // Actual Callbacks object
3349 self = {
3350
3351 // Add a callback or a collection of callbacks to the list
3352 add: function() {
3353 if ( list ) {
3354
3355 // If we have memory from a past run, we should fire after adding
3356 if ( memory && !firing ) {
3357 firingIndex = list.length - 1;
3358 queue.push( memory );
3359 }
3360
3361 ( function add( args ) {
3362 jQuery.each( args, function( _, arg ) {
3363 if ( jQuery.isFunction( arg ) ) {
3364 if ( !options.unique || !self.has( arg ) ) {
3365 list.push( arg );
3366 }
3367 } else if ( arg && arg.length && jQuery.type( arg ) !== "string" ) {
3368
3369 // Inspect recursively
3370 add( arg );
3371 }
3372 } );
3373 } )( arguments );
3374
3375 if ( memory && !firing ) {
3376 fire();
3377 }
3378 }
3379 return this;
3380 },
3381
3382 // Remove a callback from the list
3383 remove: function() {
3384 jQuery.each( arguments, function( _, arg ) {
3385 var index;
3386 while ( ( index = jQuery.inArray( arg, list, index ) ) > -1 ) {
3387 list.splice( index, 1 );
3388
3389 // Handle firing indexes
3390 if ( index <= firingIndex ) {
3391 firingIndex--;
3392 }
3393 }
3394 } );
3395 return this;
3396 },
3397
3398 // Check if a given callback is in the list.
3399 // If no argument is given, return whether or not list has callbacks attached.
3400 has: function( fn ) {
3401 return fn ?
3402 jQuery.inArray( fn, list ) > -1 :
3403 list.length > 0;
3404 },
3405
3406 // Remove all callbacks from the list
3407 empty: function() {
3408 if ( list ) {
3409 list = [];
3410 }
3411 return this;
3412 },
3413
3414 // Disable .fire and .add
3415 // Abort any current/pending executions
3416 // Clear all callbacks and values
3417 disable: function() {
3418 locked = queue = [];
3419 list = memory = "";
3420 return this;
3421 },
3422 disabled: function() {
3423 return !list;
3424 },
3425
3426 // Disable .fire
3427 // Also disable .add unless we have memory (since it would have no effect)
3428 // Abort any pending executions
3429 lock: function() {
3430 locked = queue = [];
3431 if ( !memory && !firing ) {
3432 list = memory = "";
3433 }
3434 return this;
3435 },
3436 locked: function() {
3437 return !!locked;
3438 },
3439
3440 // Call all callbacks with the given context and arguments
3441 fireWith: function( context, args ) {
3442 if ( !locked ) {
3443 args = args || [];
3444 args = [ context, args.slice ? args.slice() : args ];
3445 queue.push( args );
3446 if ( !firing ) {
3447 fire();
3448 }
3449 }
3450 return this;
3451 },
3452
3453 // Call all the callbacks with the given arguments
3454 fire: function() {
3455 self.fireWith( this, arguments );
3456 return this;
3457 },
3458
3459 // To know if the callbacks have already been called at least once
3460 fired: function() {
3461 return !!fired;
3462 }
3463 };
3464
3465 return self;
3466 };
3467
3468
3469 function Identity( v ) {
3470 return v;
3471 }
3472 function Thrower( ex ) {
3473 throw ex;
3474 }
3475
3476 function adoptValue( value, resolve, reject, noValue ) {
3477 var method;
3478
3479 try {
3480
3481 // Check for promise aspect first to privilege synchronous behavior
3482 if ( value && jQuery.isFunction( ( method = value.promise ) ) ) {
3483 method.call( value ).done( resolve ).fail( reject );
3484
3485 // Other thenables
3486 } else if ( value && jQuery.isFunction( ( method = value.then ) ) ) {
3487 method.call( value, resolve, reject );
3488
3489 // Other non-thenables
3490 } else {
3491
3492 // Control `resolve` arguments by letting Array#slice cast boolean `noValue` to integer:
3493 // * false: [ value ].slice( 0 ) => resolve( value )
3494 // * true: [ value ].slice( 1 ) => resolve()
3495 resolve.apply( undefined, [ value ].slice( noValue ) );
3496 }
3497
3498 // For Promises/A+, convert exceptions into rejections
3499 // Since jQuery.when doesn't unwrap thenables, we can skip the extra checks appearing in
3500 // Deferred#then to conditionally suppress rejection.
3501 } catch ( value ) {
3502
3503 // Support: Android 4.0 only
3504 // Strict mode functions invoked without .call/.apply get global-object context
3505 reject.apply( undefined, [ value ] );
3506 }
3507 }
3508
3509 jQuery.extend( {
3510
3511 Deferred: function( func ) {
3512 var tuples = [
3513
3514 // action, add listener, callbacks,
3515 // ... .then handlers, argument index, [final state]
3516 [ "notify", "progress", jQuery.Callbacks( "memory" ),
3517 jQuery.Callbacks( "memory" ), 2 ],
3518 [ "resolve", "done", jQuery.Callbacks( "once memory" ),
3519 jQuery.Callbacks( "once memory" ), 0, "resolved" ],
3520 [ "reject", "fail", jQuery.Callbacks( "once memory" ),
3521 jQuery.Callbacks( "once memory" ), 1, "rejected" ]
3522 ],
3523 state = "pending",
3524 promise = {
3525 state: function() {
3526 return state;
3527 },
3528 always: function() {
3529 deferred.done( arguments ).fail( arguments );
3530 return this;
3531 },
3532 "catch": function( fn ) {
3533 return promise.then( null, fn );
3534 },
3535
3536 // Keep pipe for back-compat
3537 pipe: function( /* fnDone, fnFail, fnProgress */ ) {
3538 var fns = arguments;
3539
3540 return jQuery.Deferred( function( newDefer ) {
3541 jQuery.each( tuples, function( i, tuple ) {
3542
3543 // Map tuples (progress, done, fail) to arguments (done, fail, progress)
3544 var fn = jQuery.isFunction( fns[ tuple[ 4 ] ] ) && fns[ tuple[ 4 ] ];
3545
3546 // deferred.progress(function() { bind to newDefer or newDefer.notify })
3547 // deferred.done(function() { bind to newDefer or newDefer.resolve })
3548 // deferred.fail(function() { bind to newDefer or newDefer.reject })
3549 deferred[ tuple[ 1 ] ]( function() {
3550 var returned = fn && fn.apply( this, arguments );
3551 if ( returned && jQuery.isFunction( returned.promise ) ) {
3552 returned.promise()
3553 .progress( newDefer.notify )
3554 .done( newDefer.resolve )
3555 .fail( newDefer.reject );
3556 } else {
3557 newDefer[ tuple[ 0 ] + "With" ](
3558 this,
3559 fn ? [ returned ] : arguments
3560 );
3561 }
3562 } );
3563 } );
3564 fns = null;
3565 } ).promise();
3566 },
3567 then: function( onFulfilled, onRejected, onProgress ) {
3568 var maxDepth = 0;
3569 function resolve( depth, deferred, handler, special ) {
3570 return function() {
3571 var that = this,
3572 args = arguments,
3573 mightThrow = function() {
3574 var returned, then;
3575
3576 // Support: Promises/A+ section 2.3.3.3.3
3577 // https://promisesaplus.com/#point-59
3578 // Ignore double-resolution attempts
3579 if ( depth < maxDepth ) {
3580 return;
3581 }
3582
3583 returned = handler.apply( that, args );
3584
3585 // Support: Promises/A+ section 2.3.1
3586 // https://promisesaplus.com/#point-48
3587 if ( returned === deferred.promise() ) {
3588 throw new TypeError( "Thenable self-resolution" );
3589 }
3590
3591 // Support: Promises/A+ sections 2.3.3.1, 3.5
3592 // https://promisesaplus.com/#point-54
3593 // https://promisesaplus.com/#point-75
3594 // Retrieve `then` only once
3595 then = returned &&
3596
3597 // Support: Promises/A+ section 2.3.4
3598 // https://promisesaplus.com/#point-64
3599 // Only check objects and functions for thenability
3600 ( typeof returned === "object" ||
3601 typeof returned === "function" ) &&
3602 returned.then;
3603
3604 // Handle a returned thenable
3605 if ( jQuery.isFunction( then ) ) {
3606
3607 // Special processors (notify) just wait for resolution
3608 if ( special ) {
3609 then.call(
3610 returned,
3611 resolve( maxDepth, deferred, Identity, special ),
3612 resolve( maxDepth, deferred, Thrower, special )
3613 );
3614
3615 // Normal processors (resolve) also hook into progress
3616 } else {
3617
3618 // ...and disregard older resolution values
3619 maxDepth++;
3620
3621 then.call(
3622 returned,
3623 resolve( maxDepth, deferred, Identity, special ),
3624 resolve( maxDepth, deferred, Thrower, special ),
3625 resolve( maxDepth, deferred, Identity,
3626 deferred.notifyWith )
3627 );
3628 }
3629
3630 // Handle all other returned values
3631 } else {
3632
3633 // Only substitute handlers pass on context
3634 // and multiple values (non-spec behavior)
3635 if ( handler !== Identity ) {
3636 that = undefined;
3637 args = [ returned ];
3638 }
3639
3640 // Process the value(s)
3641 // Default process is resolve
3642 ( special || deferred.resolveWith )( that, args );
3643 }
3644 },
3645
3646 // Only normal processors (resolve) catch and reject exceptions
3647 process = special ?
3648 mightThrow :
3649 function() {
3650 try {
3651 mightThrow();
3652 } catch ( e ) {
3653
3654 if ( jQuery.Deferred.exceptionHook ) {
3655 jQuery.Deferred.exceptionHook( e,
3656 process.stackTrace );
3657 }
3658
3659 // Support: Promises/A+ section 2.3.3.3.4.1
3660 // https://promisesaplus.com/#point-61
3661 // Ignore post-resolution exceptions
3662 if ( depth + 1 >= maxDepth ) {
3663
3664 // Only substitute handlers pass on context
3665 // and multiple values (non-spec behavior)
3666 if ( handler !== Thrower ) {
3667 that = undefined;
3668 args = [ e ];
3669 }
3670
3671 deferred.rejectWith( that, args );
3672 }
3673 }
3674 };
3675
3676 // Support: Promises/A+ section 2.3.3.3.1
3677 // https://promisesaplus.com/#point-57
3678 // Re-resolve promises immediately to dodge false rejection from
3679 // subsequent errors
3680 if ( depth ) {
3681 process();
3682 } else {
3683
3684 // Call an optional hook to record the stack, in case of exception
3685 // since it's otherwise lost when execution goes async
3686 if ( jQuery.Deferred.getStackHook ) {
3687 process.stackTrace = jQuery.Deferred.getStackHook();
3688 }
3689 window.setTimeout( process );
3690 }
3691 };
3692 }
3693
3694 return jQuery.Deferred( function( newDefer ) {
3695
3696 // progress_handlers.add( ... )
3697 tuples[ 0 ][ 3 ].add(
3698 resolve(
3699 0,
3700 newDefer,
3701 jQuery.isFunction( onProgress ) ?
3702 onProgress :
3703 Identity,
3704 newDefer.notifyWith
3705 )
3706 );
3707
3708 // fulfilled_handlers.add( ... )
3709 tuples[ 1 ][ 3 ].add(
3710 resolve(
3711 0,
3712 newDefer,
3713 jQuery.isFunction( onFulfilled ) ?
3714 onFulfilled :
3715 Identity
3716 )
3717 );
3718
3719 // rejected_handlers.add( ... )
3720 tuples[ 2 ][ 3 ].add(
3721 resolve(
3722 0,
3723 newDefer,
3724 jQuery.isFunction( onRejected ) ?
3725 onRejected :
3726 Thrower
3727 )
3728 );
3729 } ).promise();
3730 },
3731
3732 // Get a promise for this deferred
3733 // If obj is provided, the promise aspect is added to the object
3734 promise: function( obj ) {
3735 return obj != null ? jQuery.extend( obj, promise ) : promise;
3736 }
3737 },
3738 deferred = {};
3739
3740 // Add list-specific methods
3741 jQuery.each( tuples, function( i, tuple ) {
3742 var list = tuple[ 2 ],
3743 stateString = tuple[ 5 ];
3744
3745 // promise.progress = list.add
3746 // promise.done = list.add
3747 // promise.fail = list.add
3748 promise[ tuple[ 1 ] ] = list.add;
3749
3750 // Handle state
3751 if ( stateString ) {
3752 list.add(
3753 function() {
3754
3755 // state = "resolved" (i.e., fulfilled)
3756 // state = "rejected"
3757 state = stateString;
3758 },
3759
3760 // rejected_callbacks.disable
3761 // fulfilled_callbacks.disable
3762 tuples[ 3 - i ][ 2 ].disable,
3763
3764 // progress_callbacks.lock
3765 tuples[ 0 ][ 2 ].lock
3766 );
3767 }
3768
3769 // progress_handlers.fire
3770 // fulfilled_handlers.fire
3771 // rejected_handlers.fire
3772 list.add( tuple[ 3 ].fire );
3773
3774 // deferred.notify = function() { deferred.notifyWith(...) }
3775 // deferred.resolve = function() { deferred.resolveWith(...) }
3776 // deferred.reject = function() { deferred.rejectWith(...) }
3777 deferred[ tuple[ 0 ] ] = function() {
3778 deferred[ tuple[ 0 ] + "With" ]( this === deferred ? undefined : this, arguments );
3779 return this;
3780 };
3781
3782 // deferred.notifyWith = list.fireWith
3783 // deferred.resolveWith = list.fireWith
3784 // deferred.rejectWith = list.fireWith
3785 deferred[ tuple[ 0 ] + "With" ] = list.fireWith;
3786 } );
3787
3788 // Make the deferred a promise
3789 promise.promise( deferred );
3790
3791 // Call given func if any
3792 if ( func ) {
3793 func.call( deferred, deferred );
3794 }
3795
3796 // All done!
3797 return deferred;
3798 },
3799
3800 // Deferred helper
3801 when: function( singleValue ) {
3802 var
3803
3804 // count of uncompleted subordinates
3805 remaining = arguments.length,
3806
3807 // count of unprocessed arguments
3808 i = remaining,
3809
3810 // subordinate fulfillment data
3811 resolveContexts = Array( i ),
3812 resolveValues = slice.call( arguments ),
3813
3814 // the master Deferred
3815 master = jQuery.Deferred(),
3816
3817 // subordinate callback factory
3818 updateFunc = function( i ) {
3819 return function( value ) {
3820 resolveContexts[ i ] = this;
3821 resolveValues[ i ] = arguments.length > 1 ? slice.call( arguments ) : value;
3822 if ( !( --remaining ) ) {
3823 master.resolveWith( resolveContexts, resolveValues );
3824 }
3825 };
3826 };
3827
3828 // Single- and empty arguments are adopted like Promise.resolve
3829 if ( remaining <= 1 ) {
3830 adoptValue( singleValue, master.done( updateFunc( i ) ).resolve, master.reject,
3831 !remaining );
3832
3833 // Use .then() to unwrap secondary thenables (cf. gh-3000)
3834 if ( master.state() === "pending" ||
3835 jQuery.isFunction( resolveValues[ i ] && resolveValues[ i ].then ) ) {
3836
3837 return master.then();
3838 }
3839 }
3840
3841 // Multiple arguments are aggregated like Promise.all array elements
3842 while ( i-- ) {
3843 adoptValue( resolveValues[ i ], updateFunc( i ), master.reject );
3844 }
3845
3846 return master.promise();
3847 }
3848 } );
3849
3850
3851 // These usually indicate a programmer mistake during development,
3852 // warn about them ASAP rather than swallowing them by default.
3853 var rerrorNames = /^(Eval|Internal|Range|Reference|Syntax|Type|URI)Error$/;
3854
3855 jQuery.Deferred.exceptionHook = function( error, stack ) {
3856
3857 // Support: IE 8 - 9 only
3858 // Console exists when dev tools are open, which can happen at any time
3859 if ( window.console && window.console.warn && error && rerrorNames.test( error.name ) ) {
3860 window.console.warn( "jQuery.Deferred exception: " + error.message, error.stack, stack );
3861 }
3862 };
3863
3864
3865
3866
3867 jQuery.readyException = function( error ) {
3868 window.setTimeout( function() {
3869 throw error;
3870 } );
3871 };
3872
3873
3874
3875
3876 // The deferred used on DOM ready
3877 var readyList = jQuery.Deferred();
3878
3879 jQuery.fn.ready = function( fn ) {
3880
3881 readyList
3882 .then( fn )
3883
3884 // Wrap jQuery.readyException in a function so that the lookup
3885 // happens at the time of error handling instead of callback
3886 // registration.
3887 .catch( function( error ) {
3888 jQuery.readyException( error );
3889 } );
3890
3891 return this;
3892 };
3893
3894 jQuery.extend( {
3895
3896 // Is the DOM ready to be used? Set to true once it occurs.
3897 isReady: false,
3898
3899 // A counter to track how many items to wait for before
3900 // the ready event fires. See #6781
3901 readyWait: 1,
3902
3903 // Handle when the DOM is ready
3904 ready: function( wait ) {
3905
3906 // Abort if there are pending holds or we're already ready
3907 if ( wait === true ? --jQuery.readyWait : jQuery.isReady ) {
3908 return;
3909 }
3910
3911 // Remember that the DOM is ready
3912 jQuery.isReady = true;
3913
3914 // If a normal DOM Ready event fired, decrement, and wait if need be
3915 if ( wait !== true && --jQuery.readyWait > 0 ) {
3916 return;
3917 }
3918
3919 // If there are functions bound, to execute
3920 readyList.resolveWith( document, [ jQuery ] );
3921 }
3922 } );
3923
3924 jQuery.ready.then = readyList.then;
3925
3926 // The ready event handler and self cleanup method
3927 function completed() {
3928 document.removeEventListener( "DOMContentLoaded", completed );
3929 window.removeEventListener( "load", completed );
3930 jQuery.ready();
3931 }
3932
3933 // Catch cases where $(document).ready() is called
3934 // after the browser event has already occurred.
3935 // Support: IE <=9 - 10 only
3936 // Older IE sometimes signals "interactive" too soon
3937 if ( document.readyState === "complete" ||
3938 ( document.readyState !== "loading" && !document.documentElement.doScroll ) ) {
3939
3940 // Handle it asynchronously to allow scripts the opportunity to delay ready
3941 window.setTimeout( jQuery.ready );
3942
3943 } else {
3944
3945 // Use the handy event callback
3946 document.addEventListener( "DOMContentLoaded", completed );
3947
3948 // A fallback to window.onload, that will always work
3949 window.addEventListener( "load", completed );
3950 }
3951
3952
3953
3954
3955 // Multifunctional method to get and set values of a collection
3956 // The value/s can optionally be executed if it's a function
3957 var access = function( elems, fn, key, value, chainable, emptyGet, raw ) {
3958 var i = 0,
3959 len = elems.length,
3960 bulk = key == null;
3961
3962 // Sets many values
3963 if ( jQuery.type( key ) === "object" ) {
3964 chainable = true;
3965 for ( i in key ) {
3966 access( elems, fn, i, key[ i ], true, emptyGet, raw );
3967 }
3968
3969 // Sets one value
3970 } else if ( value !== undefined ) {
3971 chainable = true;
3972
3973 if ( !jQuery.isFunction( value ) ) {
3974 raw = true;
3975 }
3976
3977 if ( bulk ) {
3978
3979 // Bulk operations run against the entire set
3980 if ( raw ) {
3981 fn.call( elems, value );
3982 fn = null;
3983
3984 // ...except when executing function values
3985 } else {
3986 bulk = fn;
3987 fn = function( elem, key, value ) {
3988 return bulk.call( jQuery( elem ), value );
3989 };
3990 }
3991 }
3992
3993 if ( fn ) {
3994 for ( ; i < len; i++ ) {
3995 fn(
3996 elems[ i ], key, raw ?
3997 value :
3998 value.call( elems[ i ], i, fn( elems[ i ], key ) )
3999 );
4000 }
4001 }
4002 }
4003
4004 if ( chainable ) {
4005 return elems;
4006 }
4007
4008 // Gets
4009 if ( bulk ) {
4010 return fn.call( elems );
4011 }
4012
4013 return len ? fn( elems[ 0 ], key ) : emptyGet;
4014 };
4015 var acceptData = function( owner ) {
4016
4017 // Accepts only:
4018 // - Node
4019 // - Node.ELEMENT_NODE
4020 // - Node.DOCUMENT_NODE
4021 // - Object
4022 // - Any
4023 return owner.nodeType === 1 || owner.nodeType === 9 || !( +owner.nodeType );
4024 };
4025
4026
4027
4028
4029 function Data() {
4030 this.expando = jQuery.expando + Data.uid++;
4031 }
4032
4033 Data.uid = 1;
4034
4035 Data.prototype = {
4036
4037 cache: function( owner ) {
4038
4039 // Check if the owner object already has a cache
4040 var value = owner[ this.expando ];
4041
4042 // If not, create one
4043 if ( !value ) {
4044 value = {};
4045
4046 // We can accept data for non-element nodes in modern browsers,
4047 // but we should not, see #8335.
4048 // Always return an empty object.
4049 if ( acceptData( owner ) ) {
4050
4051 // If it is a node unlikely to be stringify-ed or looped over
4052 // use plain assignment
4053 if ( owner.nodeType ) {
4054 owner[ this.expando ] = value;
4055
4056 // Otherwise secure it in a non-enumerable property
4057 // configurable must be true to allow the property to be
4058 // deleted when data is removed
4059 } else {
4060 Object.defineProperty( owner, this.expando, {
4061 value: value,
4062 configurable: true
4063 } );
4064 }
4065 }
4066 }
4067
4068 return value;
4069 },
4070 set: function( owner, data, value ) {
4071 var prop,
4072 cache = this.cache( owner );
4073
4074 // Handle: [ owner, key, value ] args
4075 // Always use camelCase key (gh-2257)
4076 if ( typeof data === "string" ) {
4077 cache[ jQuery.camelCase( data ) ] = value;
4078
4079 // Handle: [ owner, { properties } ] args
4080 } else {
4081
4082 // Copy the properties one-by-one to the cache object
4083 for ( prop in data ) {
4084 cache[ jQuery.camelCase( prop ) ] = data[ prop ];
4085 }
4086 }
4087 return cache;
4088 },
4089 get: function( owner, key ) {
4090 return key === undefined ?
4091 this.cache( owner ) :
4092
4093 // Always use camelCase key (gh-2257)
4094 owner[ this.expando ] && owner[ this.expando ][ jQuery.camelCase( key ) ];
4095 },
4096 access: function( owner, key, value ) {
4097
4098 // In cases where either:
4099 //
4100 // 1. No key was specified
4101 // 2. A string key was specified, but no value provided
4102 //
4103 // Take the "read" path and allow the get method to determine
4104 // which value to return, respectively either:
4105 //
4106 // 1. The entire cache object
4107 // 2. The data stored at the key
4108 //
4109 if ( key === undefined ||
4110 ( ( key && typeof key === "string" ) && value === undefined ) ) {
4111
4112 return this.get( owner, key );
4113 }
4114
4115 // When the key is not a string, or both a key and value
4116 // are specified, set or extend (existing objects) with either:
4117 //
4118 // 1. An object of properties
4119 // 2. A key and value
4120 //
4121 this.set( owner, key, value );
4122
4123 // Since the "set" path can have two possible entry points
4124 // return the expected data based on which path was taken[*]
4125 return value !== undefined ? value : key;
4126 },
4127 remove: function( owner, key ) {
4128 var i,
4129 cache = owner[ this.expando ];
4130
4131 if ( cache === undefined ) {
4132 return;
4133 }
4134
4135 if ( key !== undefined ) {
4136
4137 // Support array or space separated string of keys
4138 if ( Array.isArray( key ) ) {
4139
4140 // If key is an array of keys...
4141 // We always set camelCase keys, so remove that.
4142 key = key.map( jQuery.camelCase );
4143 } else {
4144 key = jQuery.camelCase( key );
4145
4146 // If a key with the spaces exists, use it.
4147 // Otherwise, create an array by matching non-whitespace
4148 key = key in cache ?
4149 [ key ] :
4150 ( key.match( rnothtmlwhite ) || [] );
4151 }
4152
4153 i = key.length;
4154
4155 while ( i-- ) {
4156 delete cache[ key[ i ] ];
4157 }
4158 }
4159
4160 // Remove the expando if there's no more data
4161 if ( key === undefined || jQuery.isEmptyObject( cache ) ) {
4162
4163 // Support: Chrome <=35 - 45
4164 // Webkit & Blink performance suffers when deleting properties
4165 // from DOM nodes, so set to undefined instead
4166 // https://bugs.chromium.org/p/chromium/issues/detail?id=378607 (bug restricted)
4167 if ( owner.nodeType ) {
4168 owner[ this.expando ] = undefined;
4169 } else {
4170 delete owner[ this.expando ];
4171 }
4172 }
4173 },
4174 hasData: function( owner ) {
4175 var cache = owner[ this.expando ];
4176 return cache !== undefined && !jQuery.isEmptyObject( cache );
4177 }
4178 };
4179 var dataPriv = new Data();
4180
4181 var dataUser = new Data();
4182
4183
4184
4185 // Implementation Summary
4186 //
4187 // 1. Enforce API surface and semantic compatibility with 1.9.x branch
4188 // 2. Improve the module's maintainability by reducing the storage
4189 // paths to a single mechanism.
4190 // 3. Use the same single mechanism to support "private" and "user" data.
4191 // 4. _Never_ expose "private" data to user code (TODO: Drop _data, _removeData)
4192 // 5. Avoid exposing implementation details on user objects (eg. expando properties)
4193 // 6. Provide a clear path for implementation upgrade to WeakMap in 2014
4194
4195 var rbrace = /^(?:\{[\w\W]*\}|\[[\w\W]*\])$/,
4196 rmultiDash = /[A-Z]/g;
4197
4198 function getData( data ) {
4199 if ( data === "true" ) {
4200 return true;
4201 }
4202
4203 if ( data === "false" ) {
4204 return false;
4205 }
4206
4207 if ( data === "null" ) {
4208 return null;
4209 }
4210
4211 // Only convert to a number if it doesn't change the string
4212 if ( data === +data + "" ) {
4213 return +data;
4214 }
4215
4216 if ( rbrace.test( data ) ) {
4217 return JSON.parse( data );
4218 }
4219
4220 return data;
4221 }
4222
4223 function dataAttr( elem, key, data ) {
4224 var name;
4225
4226 // If nothing was found internally, try to fetch any
4227 // data from the HTML5 data-* attribute
4228 if ( data === undefined && elem.nodeType === 1 ) {
4229 name = "data-" + key.replace( rmultiDash, "-$&" ).toLowerCase();
4230 data = elem.getAttribute( name );
4231
4232 if ( typeof data === "string" ) {
4233 try {
4234 data = getData( data );
4235 } catch ( e ) {}
4236
4237 // Make sure we set the data so it isn't changed later
4238 dataUser.set( elem, key, data );
4239 } else {
4240 data = undefined;
4241 }
4242 }
4243 return data;
4244 }
4245
4246 jQuery.extend( {
4247 hasData: function( elem ) {
4248 return dataUser.hasData( elem ) || dataPriv.hasData( elem );
4249 },
4250
4251 data: function( elem, name, data ) {
4252 return dataUser.access( elem, name, data );
4253 },
4254
4255 removeData: function( elem, name ) {
4256 dataUser.remove( elem, name );
4257 },
4258
4259 // TODO: Now that all calls to _data and _removeData have been replaced
4260 // with direct calls to dataPriv methods, these can be deprecated.
4261 _data: function( elem, name, data ) {
4262 return dataPriv.access( elem, name, data );
4263 },
4264
4265 _removeData: function( elem, name ) {
4266 dataPriv.remove( elem, name );
4267 }
4268 } );
4269
4270 jQuery.fn.extend( {
4271 data: function( key, value ) {
4272 var i, name, data,
4273 elem = this[ 0 ],
4274 attrs = elem && elem.attributes;
4275
4276 // Gets all values
4277 if ( key === undefined ) {
4278 if ( this.length ) {
4279 data = dataUser.get( elem );
4280
4281 if ( elem.nodeType === 1 && !dataPriv.get( elem, "hasDataAttrs" ) ) {
4282 i = attrs.length;
4283 while ( i-- ) {
4284
4285 // Support: IE 11 only
4286 // The attrs elements can be null (#14894)
4287 if ( attrs[ i ] ) {
4288 name = attrs[ i ].name;
4289 if ( name.indexOf( "data-" ) === 0 ) {
4290 name = jQuery.camelCase( name.slice( 5 ) );
4291 dataAttr( elem, name, data[ name ] );
4292 }
4293 }
4294 }
4295 dataPriv.set( elem, "hasDataAttrs", true );
4296 }
4297 }
4298
4299 return data;
4300 }
4301
4302 // Sets multiple values
4303 if ( typeof key === "object" ) {
4304 return this.each( function() {
4305 dataUser.set( this, key );
4306 } );
4307 }
4308
4309 return access( this, function( value ) {
4310 var data;
4311
4312 // The calling jQuery object (element matches) is not empty
4313 // (and therefore has an element appears at this[ 0 ]) and the
4314 // `value` parameter was not undefined. An empty jQuery object
4315 // will result in `undefined` for elem = this[ 0 ] which will
4316 // throw an exception if an attempt to read a data cache is made.
4317 if ( elem && value === undefined ) {
4318
4319 // Attempt to get data from the cache
4320 // The key will always be camelCased in Data
4321 data = dataUser.get( elem, key );
4322 if ( data !== undefined ) {
4323 return data;
4324 }
4325
4326 // Attempt to "discover" the data in
4327 // HTML5 custom data-* attrs
4328 data = dataAttr( elem, key );
4329 if ( data !== undefined ) {
4330 return data;
4331 }
4332
4333 // We tried really hard, but the data doesn't exist.
4334 return;
4335 }
4336
4337 // Set the data...
4338 this.each( function() {
4339
4340 // We always store the camelCased key
4341 dataUser.set( this, key, value );
4342 } );
4343 }, null, value, arguments.length > 1, null, true );
4344 },
4345
4346 removeData: function( key ) {
4347 return this.each( function() {
4348 dataUser.remove( this, key );
4349 } );
4350 }
4351 } );
4352
4353
4354 jQuery.extend( {
4355 queue: function( elem, type, data ) {
4356 var queue;
4357
4358 if ( elem ) {
4359 type = ( type || "fx" ) + "queue";
4360 queue = dataPriv.get( elem, type );
4361
4362 // Speed up dequeue by getting out quickly if this is just a lookup
4363 if ( data ) {
4364 if ( !queue || Array.isArray( data ) ) {
4365 queue = dataPriv.access( elem, type, jQuery.makeArray( data ) );
4366 } else {
4367 queue.push( data );
4368 }
4369 }
4370 return queue || [];
4371 }
4372 },
4373
4374 dequeue: function( elem, type ) {
4375 type = type || "fx";
4376
4377 var queue = jQuery.queue( elem, type ),
4378 startLength = queue.length,
4379 fn = queue.shift(),
4380 hooks = jQuery._queueHooks( elem, type ),
4381 next = function() {
4382 jQuery.dequeue( elem, type );
4383 };
4384
4385 // If the fx queue is dequeued, always remove the progress sentinel
4386 if ( fn === "inprogress" ) {
4387 fn = queue.shift();
4388 startLength--;
4389 }
4390
4391 if ( fn ) {
4392
4393 // Add a progress sentinel to prevent the fx queue from being
4394 // automatically dequeued
4395 if ( type === "fx" ) {
4396 queue.unshift( "inprogress" );
4397 }
4398
4399 // Clear up the last queue stop function
4400 delete hooks.stop;
4401 fn.call( elem, next, hooks );
4402 }
4403
4404 if ( !startLength && hooks ) {
4405 hooks.empty.fire();
4406 }
4407 },
4408
4409 // Not public - generate a queueHooks object, or return the current one
4410 _queueHooks: function( elem, type ) {
4411 var key = type + "queueHooks";
4412 return dataPriv.get( elem, key ) || dataPriv.access( elem, key, {
4413 empty: jQuery.Callbacks( "once memory" ).add( function() {
4414 dataPriv.remove( elem, [ type + "queue", key ] );
4415 } )
4416 } );
4417 }
4418 } );
4419
4420 jQuery.fn.extend( {
4421 queue: function( type, data ) {
4422 var setter = 2;
4423
4424 if ( typeof type !== "string" ) {
4425 data = type;
4426 type = "fx";
4427 setter--;
4428 }
4429
4430 if ( arguments.length < setter ) {
4431 return jQuery.queue( this[ 0 ], type );
4432 }
4433
4434 return data === undefined ?
4435 this :
4436 this.each( function() {
4437 var queue = jQuery.queue( this, type, data );
4438
4439 // Ensure a hooks for this queue
4440 jQuery._queueHooks( this, type );
4441
4442 if ( type === "fx" && queue[ 0 ] !== "inprogress" ) {
4443 jQuery.dequeue( this, type );
4444 }
4445 } );
4446 },
4447 dequeue: function( type ) {
4448 return this.each( function() {
4449 jQuery.dequeue( this, type );
4450 } );
4451 },
4452 clearQueue: function( type ) {
4453 return this.queue( type || "fx", [] );
4454 },
4455
4456 // Get a promise resolved when queues of a certain type
4457 // are emptied (fx is the type by default)
4458 promise: function( type, obj ) {
4459 var tmp,
4460 count = 1,
4461 defer = jQuery.Deferred(),
4462 elements = this,
4463 i = this.length,
4464 resolve = function() {
4465 if ( !( --count ) ) {
4466 defer.resolveWith( elements, [ elements ] );
4467 }
4468 };
4469
4470 if ( typeof type !== "string" ) {
4471 obj = type;
4472 type = undefined;
4473 }
4474 type = type || "fx";
4475
4476 while ( i-- ) {
4477 tmp = dataPriv.get( elements[ i ], type + "queueHooks" );
4478 if ( tmp && tmp.empty ) {
4479 count++;
4480 tmp.empty.add( resolve );
4481 }
4482 }
4483 resolve();
4484 return defer.promise( obj );
4485 }
4486 } );
4487 var pnum = ( /[+-]?(?:\d*\.|)\d+(?:[eE][+-]?\d+|)/ ).source;
4488
4489 var rcssNum = new RegExp( "^(?:([+-])=|)(" + pnum + ")([a-z%]*)$", "i" );
4490
4491
4492 var cssExpand = [ "Top", "Right", "Bottom", "Left" ];
4493
4494 var isHiddenWithinTree = function( elem, el ) {
4495
4496 // isHiddenWithinTree might be called from jQuery#filter function;
4497 // in that case, element will be second argument
4498 elem = el || elem;
4499
4500 // Inline style trumps all
4501 return elem.style.display === "none" ||
4502 elem.style.display === "" &&
4503
4504 // Otherwise, check computed style
4505 // Support: Firefox <=43 - 45
4506 // Disconnected elements can have computed display: none, so first confirm that elem is
4507 // in the document.
4508 jQuery.contains( elem.ownerDocument, elem ) &&
4509
4510 jQuery.css( elem, "display" ) === "none";
4511 };
4512
4513 var swap = function( elem, options, callback, args ) {
4514 var ret, name,
4515 old = {};
4516
4517 // Remember the old values, and insert the new ones
4518 for ( name in options ) {
4519 old[ name ] = elem.style[ name ];
4520 elem.style[ name ] = options[ name ];
4521 }
4522
4523 ret = callback.apply( elem, args || [] );
4524
4525 // Revert the old values
4526 for ( name in options ) {
4527 elem.style[ name ] = old[ name ];
4528 }
4529
4530 return ret;
4531 };
4532
4533
4534
4535
4536 function adjustCSS( elem, prop, valueParts, tween ) {
4537 var adjusted,
4538 scale = 1,
4539 maxIterations = 20,
4540 currentValue = tween ?
4541 function() {
4542 return tween.cur();
4543 } :
4544 function() {
4545 return jQuery.css( elem, prop, "" );
4546 },
4547 initial = currentValue(),
4548 unit = valueParts && valueParts[ 3 ] || ( jQuery.cssNumber[ prop ] ? "" : "px" ),
4549
4550 // Starting value computation is required for potential unit mismatches
4551 initialInUnit = ( jQuery.cssNumber[ prop ] || unit !== "px" && +initial ) &&
4552 rcssNum.exec( jQuery.css( elem, prop ) );
4553
4554 if ( initialInUnit && initialInUnit[ 3 ] !== unit ) {
4555
4556 // Trust units reported by jQuery.css
4557 unit = unit || initialInUnit[ 3 ];
4558
4559 // Make sure we update the tween properties later on
4560 valueParts = valueParts || [];
4561
4562 // Iteratively approximate from a nonzero starting point
4563 initialInUnit = +initial || 1;
4564
4565 do {
4566
4567 // If previous iteration zeroed out, double until we get *something*.
4568 // Use string for doubling so we don't accidentally see scale as unchanged below
4569 scale = scale || ".5";
4570
4571 // Adjust and apply
4572 initialInUnit = initialInUnit / scale;
4573 jQuery.style( elem, prop, initialInUnit + unit );
4574
4575 // Update scale, tolerating zero or NaN from tween.cur()
4576 // Break the loop if scale is unchanged or perfect, or if we've just had enough.
4577 } while (
4578 scale !== ( scale = currentValue() / initial ) && scale !== 1 && --maxIterations
4579 );
4580 }
4581
4582 if ( valueParts ) {
4583 initialInUnit = +initialInUnit || +initial || 0;
4584
4585 // Apply relative offset (+=/-=) if specified
4586 adjusted = valueParts[ 1 ] ?
4587 initialInUnit + ( valueParts[ 1 ] + 1 ) * valueParts[ 2 ] :
4588 +valueParts[ 2 ];
4589 if ( tween ) {
4590 tween.unit = unit;
4591 tween.start = initialInUnit;
4592 tween.end = adjusted;
4593 }
4594 }
4595 return adjusted;
4596 }
4597
4598
4599 var defaultDisplayMap = {};
4600
4601 function getDefaultDisplay( elem ) {
4602 var temp,
4603 doc = elem.ownerDocument,
4604 nodeName = elem.nodeName,
4605 display = defaultDisplayMap[ nodeName ];
4606
4607 if ( display ) {
4608 return display;
4609 }
4610
4611 temp = doc.body.appendChild( doc.createElement( nodeName ) );
4612 display = jQuery.css( temp, "display" );
4613
4614 temp.parentNode.removeChild( temp );
4615
4616 if ( display === "none" ) {
4617 display = "block";
4618 }
4619 defaultDisplayMap[ nodeName ] = display;
4620
4621 return display;
4622 }
4623
4624 function showHide( elements, show ) {
4625 var display, elem,
4626 values = [],
4627 index = 0,
4628 length = elements.length;
4629
4630 // Determine new display value for elements that need to change
4631 for ( ; index < length; index++ ) {
4632 elem = elements[ index ];
4633 if ( !elem.style ) {
4634 continue;
4635 }
4636
4637 display = elem.style.display;
4638 if ( show ) {
4639
4640 // Since we force visibility upon cascade-hidden elements, an immediate (and slow)
4641 // check is required in this first loop unless we have a nonempty display value (either
4642 // inline or about-to-be-restored)
4643 if ( display === "none" ) {
4644 values[ index ] = dataPriv.get( elem, "display" ) || null;
4645 if ( !values[ index ] ) {
4646 elem.style.display = "";
4647 }
4648 }
4649 if ( elem.style.display === "" && isHiddenWithinTree( elem ) ) {
4650 values[ index ] = getDefaultDisplay( elem );
4651 }
4652 } else {
4653 if ( display !== "none" ) {
4654 values[ index ] = "none";
4655
4656 // Remember what we're overwriting
4657 dataPriv.set( elem, "display", display );
4658 }
4659 }
4660 }
4661
4662 // Set the display of the elements in a second loop to avoid constant reflow
4663 for ( index = 0; index < length; index++ ) {
4664 if ( values[ index ] != null ) {
4665 elements[ index ].style.display = values[ index ];
4666 }
4667 }
4668
4669 return elements;
4670 }
4671
4672 jQuery.fn.extend( {
4673 show: function() {
4674 return showHide( this, true );
4675 },
4676 hide: function() {
4677 return showHide( this );
4678 },
4679 toggle: function( state ) {
4680 if ( typeof state === "boolean" ) {
4681 return state ? this.show() : this.hide();
4682 }
4683
4684 return this.each( function() {
4685 if ( isHiddenWithinTree( this ) ) {
4686 jQuery( this ).show();
4687 } else {
4688 jQuery( this ).hide();
4689 }
4690 } );
4691 }
4692 } );
4693 var rcheckableType = ( /^(?:checkbox|radio)$/i );
4694
4695 var rtagName = ( /<([a-z][^\/\0>\x20\t\r\n\f]+)/i );
4696
4697 var rscriptType = ( /^$|\/(?:java|ecma)script/i );
4698
4699
4700
4701 // We have to close these tags to support XHTML (#13200)
4702 var wrapMap = {
4703
4704 // Support: IE <=9 only
4705 option: [ 1, "<select multiple='multiple'>", "</select>" ],
4706
4707 // XHTML parsers do not magically insert elements in the
4708 // same way that tag soup parsers do. So we cannot shorten
4709 // this by omitting <tbody> or other required elements.
4710 thead: [ 1, "<table>", "</table>" ],
4711 col: [ 2, "<table><colgroup>", "</colgroup></table>" ],
4712 tr: [ 2, "<table><tbody>", "</tbody></table>" ],
4713 td: [ 3, "<table><tbody><tr>", "</tr></tbody></table>" ],
4714
4715 _default: [ 0, "", "" ]
4716 };
4717
4718 // Support: IE <=9 only
4719 wrapMap.optgroup = wrapMap.option;
4720
4721 wrapMap.tbody = wrapMap.tfoot = wrapMap.colgroup = wrapMap.caption = wrapMap.thead;
4722 wrapMap.th = wrapMap.td;
4723
4724
4725 function getAll( context, tag ) {
4726
4727 // Support: IE <=9 - 11 only
4728 // Use typeof to avoid zero-argument method invocation on host objects (#15151)
4729 var ret;
4730
4731 if ( typeof context.getElementsByTagName !== "undefined" ) {
4732 ret = context.getElementsByTagName( tag || "*" );
4733
4734 } else if ( typeof context.querySelectorAll !== "undefined" ) {
4735 ret = context.querySelectorAll( tag || "*" );
4736
4737 } else {
4738 ret = [];
4739 }
4740
4741 if ( tag === undefined || tag && nodeName( context, tag ) ) {
4742 return jQuery.merge( [ context ], ret );
4743 }
4744
4745 return ret;
4746 }
4747
4748
4749 // Mark scripts as having already been evaluated
4750 function setGlobalEval( elems, refElements ) {
4751 var i = 0,
4752 l = elems.length;
4753
4754 for ( ; i < l; i++ ) {
4755 dataPriv.set(
4756 elems[ i ],
4757 "globalEval",
4758 !refElements || dataPriv.get( refElements[ i ], "globalEval" )
4759 );
4760 }
4761 }
4762
4763
4764 var rhtml = /<|&#?\w+;/;
4765
4766 function buildFragment( elems, context, scripts, selection, ignored ) {
4767 var elem, tmp, tag, wrap, contains, j,
4768 fragment = context.createDocumentFragment(),
4769 nodes = [],
4770 i = 0,
4771 l = elems.length;
4772
4773 for ( ; i < l; i++ ) {
4774 elem = elems[ i ];
4775
4776 if ( elem || elem === 0 ) {
4777
4778 // Add nodes directly
4779 if ( jQuery.type( elem ) === "object" ) {
4780
4781 // Support: Android <=4.0 only, PhantomJS 1 only
4782 // push.apply(_, arraylike) throws on ancient WebKit
4783 jQuery.merge( nodes, elem.nodeType ? [ elem ] : elem );
4784
4785 // Convert non-html into a text node
4786 } else if ( !rhtml.test( elem ) ) {
4787 nodes.push( context.createTextNode( elem ) );
4788
4789 // Convert html into DOM nodes
4790 } else {
4791 tmp = tmp || fragment.appendChild( context.createElement( "div" ) );
4792
4793 // Deserialize a standard representation
4794 tag = ( rtagName.exec( elem ) || [ "", "" ] )[ 1 ].toLowerCase();
4795 wrap = wrapMap[ tag ] || wrapMap._default;
4796 tmp.innerHTML = wrap[ 1 ] + jQuery.htmlPrefilter( elem ) + wrap[ 2 ];
4797
4798 // Descend through wrappers to the right content
4799 j = wrap[ 0 ];
4800 while ( j-- ) {
4801 tmp = tmp.lastChild;
4802 }
4803
4804 // Support: Android <=4.0 only, PhantomJS 1 only
4805 // push.apply(_, arraylike) throws on ancient WebKit
4806 jQuery.merge( nodes, tmp.childNodes );
4807
4808 // Remember the top-level container
4809 tmp = fragment.firstChild;
4810
4811 // Ensure the created nodes are orphaned (#12392)
4812 tmp.textContent = "";
4813 }
4814 }
4815 }
4816
4817 // Remove wrapper from fragment
4818 fragment.textContent = "";
4819
4820 i = 0;
4821 while ( ( elem = nodes[ i++ ] ) ) {
4822
4823 // Skip elements already in the context collection (trac-4087)
4824 if ( selection && jQuery.inArray( elem, selection ) > -1 ) {
4825 if ( ignored ) {
4826 ignored.push( elem );
4827 }
4828 continue;
4829 }
4830
4831 contains = jQuery.contains( elem.ownerDocument, elem );
4832
4833 // Append to fragment
4834 tmp = getAll( fragment.appendChild( elem ), "script" );
4835
4836 // Preserve script evaluation history
4837 if ( contains ) {
4838 setGlobalEval( tmp );
4839 }
4840
4841 // Capture executables
4842 if ( scripts ) {
4843 j = 0;
4844 while ( ( elem = tmp[ j++ ] ) ) {
4845 if ( rscriptType.test( elem.type || "" ) ) {
4846 scripts.push( elem );
4847 }
4848 }
4849 }
4850 }
4851
4852 return fragment;
4853 }
4854
4855
4856 ( function() {
4857 var fragment = document.createDocumentFragment(),
4858 div = fragment.appendChild( document.createElement( "div" ) ),
4859 input = document.createElement( "input" );
4860
4861 // Support: Android 4.0 - 4.3 only
4862 // Check state lost if the name is set (#11217)
4863 // Support: Windows Web Apps (WWA)
4864 // `name` and `type` must use .setAttribute for WWA (#14901)
4865 input.setAttribute( "type", "radio" );
4866 input.setAttribute( "checked", "checked" );
4867 input.setAttribute( "name", "t" );
4868
4869 div.appendChild( input );
4870
4871 // Support: Android <=4.1 only
4872 // Older WebKit doesn't clone checked state correctly in fragments
4873 support.checkClone = div.cloneNode( true ).cloneNode( true ).lastChild.checked;
4874
4875 // Support: IE <=11 only
4876 // Make sure textarea (and checkbox) defaultValue is properly cloned
4877 div.innerHTML = "<textarea>x</textarea>";
4878 support.noCloneChecked = !!div.cloneNode( true ).lastChild.defaultValue;
4879 } )();
4880 var documentElement = document.documentElement;
4881
4882
4883
4884 var
4885 rkeyEvent = /^key/,
4886 rmouseEvent = /^(?:mouse|pointer|contextmenu|drag|drop)|click/,
4887 rtypenamespace = /^([^.]*)(?:\.(.+)|)/;
4888
4889 function returnTrue() {
4890 return true;
4891 }
4892
4893 function returnFalse() {
4894 return false;
4895 }
4896
4897 // Support: IE <=9 only
4898 // See #13393 for more info
4899 function safeActiveElement() {
4900 try {
4901 return document.activeElement;
4902 } catch ( err ) { }
4903 }
4904
4905 function on( elem, types, selector, data, fn, one ) {
4906 var origFn, type;
4907
4908 // Types can be a map of types/handlers
4909 if ( typeof types === "object" ) {
4910
4911 // ( types-Object, selector, data )
4912 if ( typeof selector !== "string" ) {
4913
4914 // ( types-Object, data )
4915 data = data || selector;
4916 selector = undefined;
4917 }
4918 for ( type in types ) {
4919 on( elem, type, selector, data, types[ type ], one );
4920 }
4921 return elem;
4922 }
4923
4924 if ( data == null && fn == null ) {
4925
4926 // ( types, fn )
4927 fn = selector;
4928 data = selector = undefined;
4929 } else if ( fn == null ) {
4930 if ( typeof selector === "string" ) {
4931
4932 // ( types, selector, fn )
4933 fn = data;
4934 data = undefined;
4935 } else {
4936
4937 // ( types, data, fn )
4938 fn = data;
4939 data = selector;
4940 selector = undefined;
4941 }
4942 }
4943 if ( fn === false ) {
4944 fn = returnFalse;
4945 } else if ( !fn ) {
4946 return elem;
4947 }
4948
4949 if ( one === 1 ) {
4950 origFn = fn;
4951 fn = function( event ) {
4952
4953 // Can use an empty set, since event contains the info
4954 jQuery().off( event );
4955 return origFn.apply( this, arguments );
4956 };
4957
4958 // Use same guid so caller can remove using origFn
4959 fn.guid = origFn.guid || ( origFn.guid = jQuery.guid++ );
4960 }
4961 return elem.each( function() {
4962 jQuery.event.add( this, types, fn, data, selector );
4963 } );
4964 }
4965
4966 /*
4967 * Helper functions for managing events -- not part of the public interface.
4968 * Props to Dean Edwards' addEvent library for many of the ideas.
4969 */
4970 jQuery.event = {
4971
4972 global: {},
4973
4974 add: function( elem, types, handler, data, selector ) {
4975
4976 var handleObjIn, eventHandle, tmp,
4977 events, t, handleObj,
4978 special, handlers, type, namespaces, origType,
4979 elemData = dataPriv.get( elem );
4980
4981 // Don't attach events to noData or text/comment nodes (but allow plain objects)
4982 if ( !elemData ) {
4983 return;
4984 }
4985
4986 // Caller can pass in an object of custom data in lieu of the handler
4987 if ( handler.handler ) {
4988 handleObjIn = handler;
4989 handler = handleObjIn.handler;
4990 selector = handleObjIn.selector;
4991 }
4992
4993 // Ensure that invalid selectors throw exceptions at attach time
4994 // Evaluate against documentElement in case elem is a non-element node (e.g., document)
4995 if ( selector ) {
4996 jQuery.find.matchesSelector( documentElement, selector );
4997 }
4998
4999 // Make sure that the handler has a unique ID, used to find/remove it later
5000 if ( !handler.guid ) {
5001 handler.guid = jQuery.guid++;
5002 }
5003
5004 // Init the element's event structure and main handler, if this is the first
5005 if ( !( events = elemData.events ) ) {
5006 events = elemData.events = {};
5007 }
5008 if ( !( eventHandle = elemData.handle ) ) {
5009 eventHandle = elemData.handle = function( e ) {
5010
5011 // Discard the second event of a jQuery.event.trigger() and
5012 // when an event is called after a page has unloaded
5013 return typeof jQuery !== "undefined" && jQuery.event.triggered !== e.type ?
5014 jQuery.event.dispatch.apply( elem, arguments ) : undefined;
5015 };
5016 }
5017
5018 // Handle multiple events separated by a space
5019 types = ( types || "" ).match( rnothtmlwhite ) || [ "" ];
5020 t = types.length;
5021 while ( t-- ) {
5022 tmp = rtypenamespace.exec( types[ t ] ) || [];
5023 type = origType = tmp[ 1 ];
5024 namespaces = ( tmp[ 2 ] || "" ).split( "." ).sort();
5025
5026 // There *must* be a type, no attaching namespace-only handlers
5027 if ( !type ) {
5028 continue;
5029 }
5030
5031 // If event changes its type, use the special event handlers for the changed type
5032 special = jQuery.event.special[ type ] || {};
5033
5034 // If selector defined, determine special event api type, otherwise given type
5035 type = ( selector ? special.delegateType : special.bindType ) || type;
5036
5037 // Update special based on newly reset type
5038 special = jQuery.event.special[ type ] || {};
5039
5040 // handleObj is passed to all event handlers
5041 handleObj = jQuery.extend( {
5042 type: type,
5043 origType: origType,
5044 data: data,
5045 handler: handler,
5046 guid: handler.guid,
5047 selector: selector,
5048 needsContext: selector && jQuery.expr.match.needsContext.test( selector ),
5049 namespace: namespaces.join( "." )
5050 }, handleObjIn );
5051
5052 // Init the event handler queue if we're the first
5053 if ( !( handlers = events[ type ] ) ) {
5054 handlers = events[ type ] = [];
5055 handlers.delegateCount = 0;
5056
5057 // Only use addEventListener if the special events handler returns false
5058 if ( !special.setup ||
5059 special.setup.call( elem, data, namespaces, eventHandle ) === false ) {
5060
5061 if ( elem.addEventListener ) {
5062 elem.addEventListener( type, eventHandle );
5063 }
5064 }
5065 }
5066
5067 if ( special.add ) {
5068 special.add.call( elem, handleObj );
5069
5070 if ( !handleObj.handler.guid ) {
5071 handleObj.handler.guid = handler.guid;
5072 }
5073 }
5074
5075 // Add to the element's handler list, delegates in front
5076 if ( selector ) {
5077 handlers.splice( handlers.delegateCount++, 0, handleObj );
5078 } else {
5079 handlers.push( handleObj );
5080 }
5081
5082 // Keep track of which events have ever been used, for event optimization
5083 jQuery.event.global[ type ] = true;
5084 }
5085
5086 },
5087
5088 // Detach an event or set of events from an element
5089 remove: function( elem, types, handler, selector, mappedTypes ) {
5090
5091 var j, origCount, tmp,
5092 events, t, handleObj,
5093 special, handlers, type, namespaces, origType,
5094 elemData = dataPriv.hasData( elem ) && dataPriv.get( elem );
5095
5096 if ( !elemData || !( events = elemData.events ) ) {
5097 return;
5098 }
5099
5100 // Once for each type.namespace in types; type may be omitted
5101 types = ( types || "" ).match( rnothtmlwhite ) || [ "" ];
5102 t = types.length;
5103 while ( t-- ) {
5104 tmp = rtypenamespace.exec( types[ t ] ) || [];
5105 type = origType = tmp[ 1 ];
5106 namespaces = ( tmp[ 2 ] || "" ).split( "." ).sort();
5107
5108 // Unbind all events (on this namespace, if provided) for the element
5109 if ( !type ) {
5110 for ( type in events ) {
5111 jQuery.event.remove( elem, type + types[ t ], handler, selector, true );
5112 }
5113 continue;
5114 }
5115
5116 special = jQuery.event.special[ type ] || {};
5117 type = ( selector ? special.delegateType : special.bindType ) || type;
5118 handlers = events[ type ] || [];
5119 tmp = tmp[ 2 ] &&
5120 new RegExp( "(^|\\.)" + namespaces.join( "\\.(?:.*\\.|)" ) + "(\\.|$)" );
5121
5122 // Remove matching events
5123 origCount = j = handlers.length;
5124 while ( j-- ) {
5125 handleObj = handlers[ j ];
5126
5127 if ( ( mappedTypes || origType === handleObj.origType ) &&
5128 ( !handler || handler.guid === handleObj.guid ) &&
5129 ( !tmp || tmp.test( handleObj.namespace ) ) &&
5130 ( !selector || selector === handleObj.selector ||
5131 selector === "**" && handleObj.selector ) ) {
5132 handlers.splice( j, 1 );
5133
5134 if ( handleObj.selector ) {
5135 handlers.delegateCount--;
5136 }
5137 if ( special.remove ) {
5138 special.remove.call( elem, handleObj );
5139 }
5140 }
5141 }
5142
5143 // Remove generic event handler if we removed something and no more handlers exist
5144 // (avoids potential for endless recursion during removal of special event handlers)
5145 if ( origCount && !handlers.length ) {
5146 if ( !special.teardown ||
5147 special.teardown.call( elem, namespaces, elemData.handle ) === false ) {
5148
5149 jQuery.removeEvent( elem, type, elemData.handle );
5150 }
5151
5152 delete events[ type ];
5153 }
5154 }
5155
5156 // Remove data and the expando if it's no longer used
5157 if ( jQuery.isEmptyObject( events ) ) {
5158 dataPriv.remove( elem, "handle events" );
5159 }
5160 },
5161
5162 dispatch: function( nativeEvent ) {
5163
5164 // Make a writable jQuery.Event from the native event object
5165 var event = jQuery.event.fix( nativeEvent );
5166
5167 var i, j, ret, matched, handleObj, handlerQueue,
5168 args = new Array( arguments.length ),
5169 handlers = ( dataPriv.get( this, "events" ) || {} )[ event.type ] || [],
5170 special = jQuery.event.special[ event.type ] || {};
5171
5172 // Use the fix-ed jQuery.Event rather than the (read-only) native event
5173 args[ 0 ] = event;
5174
5175 for ( i = 1; i < arguments.length; i++ ) {
5176 args[ i ] = arguments[ i ];
5177 }
5178
5179 event.delegateTarget = this;
5180
5181 // Call the preDispatch hook for the mapped type, and let it bail if desired
5182 if ( special.preDispatch && special.preDispatch.call( this, event ) === false ) {
5183 return;
5184 }
5185
5186 // Determine handlers
5187 handlerQueue = jQuery.event.handlers.call( this, event, handlers );
5188
5189 // Run delegates first; they may want to stop propagation beneath us
5190 i = 0;
5191 while ( ( matched = handlerQueue[ i++ ] ) && !event.isPropagationStopped() ) {
5192 event.currentTarget = matched.elem;
5193
5194 j = 0;
5195 while ( ( handleObj = matched.handlers[ j++ ] ) &&
5196 !event.isImmediatePropagationStopped() ) {
5197
5198 // Triggered event must either 1) have no namespace, or 2) have namespace(s)
5199 // a subset or equal to those in the bound event (both can have no namespace).
5200 if ( !event.rnamespace || event.rnamespace.test( handleObj.namespace ) ) {
5201
5202 event.handleObj = handleObj;
5203 event.data = handleObj.data;
5204
5205 ret = ( ( jQuery.event.special[ handleObj.origType ] || {} ).handle ||
5206 handleObj.handler ).apply( matched.elem, args );
5207
5208 if ( ret !== undefined ) {
5209 if ( ( event.result = ret ) === false ) {
5210 event.preventDefault();
5211 event.stopPropagation();
5212 }
5213 }
5214 }
5215 }
5216 }
5217
5218 // Call the postDispatch hook for the mapped type
5219 if ( special.postDispatch ) {
5220 special.postDispatch.call( this, event );
5221 }
5222
5223 return event.result;
5224 },
5225
5226 handlers: function( event, handlers ) {
5227 var i, handleObj, sel, matchedHandlers, matchedSelectors,
5228 handlerQueue = [],
5229 delegateCount = handlers.delegateCount,
5230 cur = event.target;
5231
5232 // Find delegate handlers
5233 if ( delegateCount &&
5234
5235 // Support: IE <=9
5236 // Black-hole SVG <use> instance trees (trac-13180)
5237 cur.nodeType &&
5238
5239 // Support: Firefox <=42
5240 // Suppress spec-violating clicks indicating a non-primary pointer button (trac-3861)
5241 // https://www.w3.org/TR/DOM-Level-3-Events/#event-type-click
5242 // Support: IE 11 only
5243 // ...but not arrow key "clicks" of radio inputs, which can have `button` -1 (gh-2343)
5244 !( event.type === "click" && event.button >= 1 ) ) {
5245
5246 for ( ; cur !== this; cur = cur.parentNode || this ) {
5247
5248 // Don't check non-elements (#13208)
5249 // Don't process clicks on disabled elements (#6911, #8165, #11382, #11764)
5250 if ( cur.nodeType === 1 && !( event.type === "click" && cur.disabled === true ) ) {
5251 matchedHandlers = [];
5252 matchedSelectors = {};
5253 for ( i = 0; i < delegateCount; i++ ) {
5254 handleObj = handlers[ i ];
5255
5256 // Don't conflict with Object.prototype properties (#13203)
5257 sel = handleObj.selector + " ";
5258
5259 if ( matchedSelectors[ sel ] === undefined ) {
5260 matchedSelectors[ sel ] = handleObj.needsContext ?
5261 jQuery( sel, this ).index( cur ) > -1 :
5262 jQuery.find( sel, this, null, [ cur ] ).length;
5263 }
5264 if ( matchedSelectors[ sel ] ) {
5265 matchedHandlers.push( handleObj );
5266 }
5267 }
5268 if ( matchedHandlers.length ) {
5269 handlerQueue.push( { elem: cur, handlers: matchedHandlers } );
5270 }
5271 }
5272 }
5273 }
5274
5275 // Add the remaining (directly-bound) handlers
5276 cur = this;
5277 if ( delegateCount < handlers.length ) {
5278 handlerQueue.push( { elem: cur, handlers: handlers.slice( delegateCount ) } );
5279 }
5280
5281 return handlerQueue;
5282 },
5283
5284 addProp: function( name, hook ) {
5285 Object.defineProperty( jQuery.Event.prototype, name, {
5286 enumerable: true,
5287 configurable: true,
5288
5289 get: jQuery.isFunction( hook ) ?
5290 function() {
5291 if ( this.originalEvent ) {
5292 return hook( this.originalEvent );
5293 }
5294 } :
5295 function() {
5296 if ( this.originalEvent ) {
5297 return this.originalEvent[ name ];
5298 }
5299 },
5300
5301 set: function( value ) {
5302 Object.defineProperty( this, name, {
5303 enumerable: true,
5304 configurable: true,
5305 writable: true,
5306 value: value
5307 } );
5308 }
5309 } );
5310 },
5311
5312 fix: function( originalEvent ) {
5313 return originalEvent[ jQuery.expando ] ?
5314 originalEvent :
5315 new jQuery.Event( originalEvent );
5316 },
5317
5318 special: {
5319 load: {
5320
5321 // Prevent triggered image.load events from bubbling to window.load
5322 noBubble: true
5323 },
5324 focus: {
5325
5326 // Fire native event if possible so blur/focus sequence is correct
5327 trigger: function() {
5328 if ( this !== safeActiveElement() && this.focus ) {
5329 this.focus();
5330 return false;
5331 }
5332 },
5333 delegateType: "focusin"
5334 },
5335 blur: {
5336 trigger: function() {
5337 if ( this === safeActiveElement() && this.blur ) {
5338 this.blur();
5339 return false;
5340 }
5341 },
5342 delegateType: "focusout"
5343 },
5344 click: {
5345
5346 // For checkbox, fire native event so checked state will be right
5347 trigger: function() {
5348 if ( this.type === "checkbox" && this.click && nodeName( this, "input" ) ) {
5349 this.click();
5350 return false;
5351 }
5352 },
5353
5354 // For cross-browser consistency, don't fire native .click() on links
5355 _default: function( event ) {
5356 return nodeName( event.target, "a" );
5357 }
5358 },
5359
5360 beforeunload: {
5361 postDispatch: function( event ) {
5362
5363 // Support: Firefox 20+
5364 // Firefox doesn't alert if the returnValue field is not set.
5365 if ( event.result !== undefined && event.originalEvent ) {
5366 event.originalEvent.returnValue = event.result;
5367 }
5368 }
5369 }
5370 }
5371 };
5372
5373 jQuery.removeEvent = function( elem, type, handle ) {
5374
5375 // This "if" is needed for plain objects
5376 if ( elem.removeEventListener ) {
5377 elem.removeEventListener( type, handle );
5378 }
5379 };
5380
5381 jQuery.Event = function( src, props ) {
5382
5383 // Allow instantiation without the 'new' keyword
5384 if ( !( this instanceof jQuery.Event ) ) {
5385 return new jQuery.Event( src, props );
5386 }
5387
5388 // Event object
5389 if ( src && src.type ) {
5390 this.originalEvent = src;
5391 this.type = src.type;
5392
5393 // Events bubbling up the document may have been marked as prevented
5394 // by a handler lower down the tree; reflect the correct value.
5395 this.isDefaultPrevented = src.defaultPrevented ||
5396 src.defaultPrevented === undefined &&
5397
5398 // Support: Android <=2.3 only
5399 src.returnValue === false ?
5400 returnTrue :
5401 returnFalse;
5402
5403 // Create target properties
5404 // Support: Safari <=6 - 7 only
5405 // Target should not be a text node (#504, #13143)
5406 this.target = ( src.target && src.target.nodeType === 3 ) ?
5407 src.target.parentNode :
5408 src.target;
5409
5410 this.currentTarget = src.currentTarget;
5411 this.relatedTarget = src.relatedTarget;
5412
5413 // Event type
5414 } else {
5415 this.type = src;
5416 }
5417
5418 // Put explicitly provided properties onto the event object
5419 if ( props ) {
5420 jQuery.extend( this, props );
5421 }
5422
5423 // Create a timestamp if incoming event doesn't have one
5424 this.timeStamp = src && src.timeStamp || jQuery.now();
5425
5426 // Mark it as fixed
5427 this[ jQuery.expando ] = true;
5428 };
5429
5430 // jQuery.Event is based on DOM3 Events as specified by the ECMAScript Language Binding
5431 // https://www.w3.org/TR/2003/WD-DOM-Level-3-Events-20030331/ecma-script-binding.html
5432 jQuery.Event.prototype = {
5433 constructor: jQuery.Event,
5434 isDefaultPrevented: returnFalse,
5435 isPropagationStopped: returnFalse,
5436 isImmediatePropagationStopped: returnFalse,
5437 isSimulated: false,
5438
5439 preventDefault: function() {
5440 var e = this.originalEvent;
5441
5442 this.isDefaultPrevented = returnTrue;
5443
5444 if ( e && !this.isSimulated ) {
5445 e.preventDefault();
5446 }
5447 },
5448 stopPropagation: function() {
5449 var e = this.originalEvent;
5450
5451 this.isPropagationStopped = returnTrue;
5452
5453 if ( e && !this.isSimulated ) {
5454 e.stopPropagation();
5455 }
5456 },
5457 stopImmediatePropagation: function() {
5458 var e = this.originalEvent;
5459
5460 this.isImmediatePropagationStopped = returnTrue;
5461
5462 if ( e && !this.isSimulated ) {
5463 e.stopImmediatePropagation();
5464 }
5465
5466 this.stopPropagation();
5467 }
5468 };
5469
5470 // Includes all common event props including KeyEvent and MouseEvent specific props
5471 jQuery.each( {
5472 altKey: true,
5473 bubbles: true,
5474 cancelable: true,
5475 changedTouches: true,
5476 ctrlKey: true,
5477 detail: true,
5478 eventPhase: true,
5479 metaKey: true,
5480 pageX: true,
5481 pageY: true,
5482 shiftKey: true,
5483 view: true,
5484 "char": true,
5485 charCode: true,
5486 key: true,
5487 keyCode: true,
5488 button: true,
5489 buttons: true,
5490 clientX: true,
5491 clientY: true,
5492 offsetX: true,
5493 offsetY: true,
5494 pointerId: true,
5495 pointerType: true,
5496 screenX: true,
5497 screenY: true,
5498 targetTouches: true,
5499 toElement: true,
5500 touches: true,
5501
5502 which: function( event ) {
5503 var button = event.button;
5504
5505 // Add which for key events
5506 if ( event.which == null && rkeyEvent.test( event.type ) ) {
5507 return event.charCode != null ? event.charCode : event.keyCode;
5508 }
5509
5510 // Add which for click: 1 === left; 2 === middle; 3 === right
5511 if ( !event.which && button !== undefined && rmouseEvent.test( event.type ) ) {
5512 if ( button & 1 ) {
5513 return 1;
5514 }
5515
5516 if ( button & 2 ) {
5517 return 3;
5518 }
5519
5520 if ( button & 4 ) {
5521 return 2;
5522 }
5523
5524 return 0;
5525 }
5526
5527 return event.which;
5528 }
5529 }, jQuery.event.addProp );
5530
5531 // Create mouseenter/leave events using mouseover/out and event-time checks
5532 // so that event delegation works in jQuery.
5533 // Do the same for pointerenter/pointerleave and pointerover/pointerout
5534 //
5535 // Support: Safari 7 only
5536 // Safari sends mouseenter too often; see:
5537 // https://bugs.chromium.org/p/chromium/issues/detail?id=470258
5538 // for the description of the bug (it existed in older Chrome versions as well).
5539 jQuery.each( {
5540 mouseenter: "mouseover",
5541 mouseleave: "mouseout",
5542 pointerenter: "pointerover",
5543 pointerleave: "pointerout"
5544 }, function( orig, fix ) {
5545 jQuery.event.special[ orig ] = {
5546 delegateType: fix,
5547 bindType: fix,
5548
5549 handle: function( event ) {
5550 var ret,
5551 target = this,
5552 related = event.relatedTarget,
5553 handleObj = event.handleObj;
5554
5555 // For mouseenter/leave call the handler if related is outside the target.
5556 // NB: No relatedTarget if the mouse left/entered the browser window
5557 if ( !related || ( related !== target && !jQuery.contains( target, related ) ) ) {
5558 event.type = handleObj.origType;
5559 ret = handleObj.handler.apply( this, arguments );
5560 event.type = fix;
5561 }
5562 return ret;
5563 }
5564 };
5565 } );
5566
5567 jQuery.fn.extend( {
5568
5569 on: function( types, selector, data, fn ) {
5570 return on( this, types, selector, data, fn );
5571 },
5572 one: function( types, selector, data, fn ) {
5573 return on( this, types, selector, data, fn, 1 );
5574 },
5575 off: function( types, selector, fn ) {
5576 var handleObj, type;
5577 if ( types && types.preventDefault && types.handleObj ) {
5578
5579 // ( event ) dispatched jQuery.Event
5580 handleObj = types.handleObj;
5581 jQuery( types.delegateTarget ).off(
5582 handleObj.namespace ?
5583 handleObj.origType + "." + handleObj.namespace :
5584 handleObj.origType,
5585 handleObj.selector,
5586 handleObj.handler
5587 );
5588 return this;
5589 }
5590 if ( typeof types === "object" ) {
5591
5592 // ( types-object [, selector] )
5593 for ( type in types ) {
5594 this.off( type, selector, types[ type ] );
5595 }
5596 return this;
5597 }
5598 if ( selector === false || typeof selector === "function" ) {
5599
5600 // ( types [, fn] )
5601 fn = selector;
5602 selector = undefined;
5603 }
5604 if ( fn === false ) {
5605 fn = returnFalse;
5606 }
5607 return this.each( function() {
5608 jQuery.event.remove( this, types, fn, selector );
5609 } );
5610 }
5611 } );
5612
5613
5614 var
5615
5616 /* eslint-disable max-len */
5617
5618 // See https://github.com/eslint/eslint/issues/3229
5619 rxhtmlTag = /<(?!area|br|col|embed|hr|img|input|link|meta|param)(([a-z][^\/\0>\x20\t\r\n\f]*)[^>]*)\/>/gi,
5620
5621 /* eslint-enable */
5622
5623 // Support: IE <=10 - 11, Edge 12 - 13
5624 // In IE/Edge using regex groups here causes severe slowdowns.
5625 // See https://connect.microsoft.com/IE/feedback/details/1736512/
5626 rnoInnerhtml = /<script|<style|<link/i,
5627
5628 // checked="checked" or checked
5629 rchecked = /checked\s*(?:[^=]|=\s*.checked.)/i,
5630 rscriptTypeMasked = /^true\/(.*)/,
5631 rcleanScript = /^\s*<!(?:\[CDATA\[|--)|(?:\]\]|--)>\s*$/g;
5632
5633 // Prefer a tbody over its parent table for containing new rows
5634 function manipulationTarget( elem, content ) {
5635 if ( nodeName( elem, "table" ) &&
5636 nodeName( content.nodeType !== 11 ? content : content.firstChild, "tr" ) ) {
5637
5638 return jQuery( ">tbody", elem )[ 0 ] || elem;
5639 }
5640
5641 return elem;
5642 }
5643
5644 // Replace/restore the type attribute of script elements for safe DOM manipulation
5645 function disableScript( elem ) {
5646 elem.type = ( elem.getAttribute( "type" ) !== null ) + "/" + elem.type;
5647 return elem;
5648 }
5649 function restoreScript( elem ) {
5650 var match = rscriptTypeMasked.exec( elem.type );
5651
5652 if ( match ) {
5653 elem.type = match[ 1 ];
5654 } else {
5655 elem.removeAttribute( "type" );
5656 }
5657
5658 return elem;
5659 }
5660
5661 function cloneCopyEvent( src, dest ) {
5662 var i, l, type, pdataOld, pdataCur, udataOld, udataCur, events;
5663
5664 if ( dest.nodeType !== 1 ) {
5665 return;
5666 }
5667
5668 // 1. Copy private data: events, handlers, etc.
5669 if ( dataPriv.hasData( src ) ) {
5670 pdataOld = dataPriv.access( src );
5671 pdataCur = dataPriv.set( dest, pdataOld );
5672 events = pdataOld.events;
5673
5674 if ( events ) {
5675 delete pdataCur.handle;
5676 pdataCur.events = {};
5677
5678 for ( type in events ) {
5679 for ( i = 0, l = events[ type ].length; i < l; i++ ) {
5680 jQuery.event.add( dest, type, events[ type ][ i ] );
5681 }
5682 }
5683 }
5684 }
5685
5686 // 2. Copy user data
5687 if ( dataUser.hasData( src ) ) {
5688 udataOld = dataUser.access( src );
5689 udataCur = jQuery.extend( {}, udataOld );
5690
5691 dataUser.set( dest, udataCur );
5692 }
5693 }
5694
5695 // Fix IE bugs, see support tests
5696 function fixInput( src, dest ) {
5697 var nodeName = dest.nodeName.toLowerCase();
5698
5699 // Fails to persist the checked state of a cloned checkbox or radio button.
5700 if ( nodeName === "input" && rcheckableType.test( src.type ) ) {
5701 dest.checked = src.checked;
5702
5703 // Fails to return the selected option to the default selected state when cloning options
5704 } else if ( nodeName === "input" || nodeName === "textarea" ) {
5705 dest.defaultValue = src.defaultValue;
5706 }
5707 }
5708
5709 function domManip( collection, args, callback, ignored ) {
5710
5711 // Flatten any nested arrays
5712 args = concat.apply( [], args );
5713
5714 var fragment, first, scripts, hasScripts, node, doc,
5715 i = 0,
5716 l = collection.length,
5717 iNoClone = l - 1,
5718 value = args[ 0 ],
5719 isFunction = jQuery.isFunction( value );
5720
5721 // We can't cloneNode fragments that contain checked, in WebKit
5722 if ( isFunction ||
5723 ( l > 1 && typeof value === "string" &&
5724 !support.checkClone && rchecked.test( value ) ) ) {
5725 return collection.each( function( index ) {
5726 var self = collection.eq( index );
5727 if ( isFunction ) {
5728 args[ 0 ] = value.call( this, index, self.html() );
5729 }
5730 domManip( self, args, callback, ignored );
5731 } );
5732 }
5733
5734 if ( l ) {
5735 fragment = buildFragment( args, collection[ 0 ].ownerDocument, false, collection, ignored );
5736 first = fragment.firstChild;
5737
5738 if ( fragment.childNodes.length === 1 ) {
5739 fragment = first;
5740 }
5741
5742 // Require either new content or an interest in ignored elements to invoke the callback
5743 if ( first || ignored ) {
5744 scripts = jQuery.map( getAll( fragment, "script" ), disableScript );
5745 hasScripts = scripts.length;
5746
5747 // Use the original fragment for the last item
5748 // instead of the first because it can end up
5749 // being emptied incorrectly in certain situations (#8070).
5750 for ( ; i < l; i++ ) {
5751 node = fragment;
5752
5753 if ( i !== iNoClone ) {
5754 node = jQuery.clone( node, true, true );
5755
5756 // Keep references to cloned scripts for later restoration
5757 if ( hasScripts ) {
5758
5759 // Support: Android <=4.0 only, PhantomJS 1 only
5760 // push.apply(_, arraylike) throws on ancient WebKit
5761 jQuery.merge( scripts, getAll( node, "script" ) );
5762 }
5763 }
5764
5765 callback.call( collection[ i ], node, i );
5766 }
5767
5768 if ( hasScripts ) {
5769 doc = scripts[ scripts.length - 1 ].ownerDocument;
5770
5771 // Reenable scripts
5772 jQuery.map( scripts, restoreScript );
5773
5774 // Evaluate executable scripts on first document insertion
5775 for ( i = 0; i < hasScripts; i++ ) {
5776 node = scripts[ i ];
5777 if ( rscriptType.test( node.type || "" ) &&
5778 !dataPriv.access( node, "globalEval" ) &&
5779 jQuery.contains( doc, node ) ) {
5780
5781 if ( node.src ) {
5782
5783 // Optional AJAX dependency, but won't run scripts if not present
5784 if ( jQuery._evalUrl ) {
5785 jQuery._evalUrl( node.src );
5786 }
5787 } else {
5788 DOMEval( node.textContent.replace( rcleanScript, "" ), doc );
5789 }
5790 }
5791 }
5792 }
5793 }
5794 }
5795
5796 return collection;
5797 }
5798
5799 function remove( elem, selector, keepData ) {
5800 var node,
5801 nodes = selector ? jQuery.filter( selector, elem ) : elem,
5802 i = 0;
5803
5804 for ( ; ( node = nodes[ i ] ) != null; i++ ) {
5805 if ( !keepData && node.nodeType === 1 ) {
5806 jQuery.cleanData( getAll( node ) );
5807 }
5808
5809 if ( node.parentNode ) {
5810 if ( keepData && jQuery.contains( node.ownerDocument, node ) ) {
5811 setGlobalEval( getAll( node, "script" ) );
5812 }
5813 node.parentNode.removeChild( node );
5814 }
5815 }
5816
5817 return elem;
5818 }
5819
5820 jQuery.extend( {
5821 htmlPrefilter: function( html ) {
5822 return html.replace( rxhtmlTag, "<$1></$2>" );
5823 },
5824
5825 clone: function( elem, dataAndEvents, deepDataAndEvents ) {
5826 var i, l, srcElements, destElements,
5827 clone = elem.cloneNode( true ),
5828 inPage = jQuery.contains( elem.ownerDocument, elem );
5829
5830 // Fix IE cloning issues
5831 if ( !support.noCloneChecked && ( elem.nodeType === 1 || elem.nodeType === 11 ) &&
5832 !jQuery.isXMLDoc( elem ) ) {
5833
5834 // We eschew Sizzle here for performance reasons: https://jsperf.com/getall-vs-sizzle/2
5835 destElements = getAll( clone );
5836 srcElements = getAll( elem );
5837
5838 for ( i = 0, l = srcElements.length; i < l; i++ ) {
5839 fixInput( srcElements[ i ], destElements[ i ] );
5840 }
5841 }
5842
5843 // Copy the events from the original to the clone
5844 if ( dataAndEvents ) {
5845 if ( deepDataAndEvents ) {
5846 srcElements = srcElements || getAll( elem );
5847 destElements = destElements || getAll( clone );
5848
5849 for ( i = 0, l = srcElements.length; i < l; i++ ) {
5850 cloneCopyEvent( srcElements[ i ], destElements[ i ] );
5851 }
5852 } else {
5853 cloneCopyEvent( elem, clone );
5854 }
5855 }
5856
5857 // Preserve script evaluation history
5858 destElements = getAll( clone, "script" );
5859 if ( destElements.length > 0 ) {
5860 setGlobalEval( destElements, !inPage && getAll( elem, "script" ) );
5861 }
5862
5863 // Return the cloned set
5864 return clone;
5865 },
5866
5867 cleanData: function( elems ) {
5868 var data, elem, type,
5869 special = jQuery.event.special,
5870 i = 0;
5871
5872 for ( ; ( elem = elems[ i ] ) !== undefined; i++ ) {
5873 if ( acceptData( elem ) ) {
5874 if ( ( data = elem[ dataPriv.expando ] ) ) {
5875 if ( data.events ) {
5876 for ( type in data.events ) {
5877 if ( special[ type ] ) {
5878 jQuery.event.remove( elem, type );
5879
5880 // This is a shortcut to avoid jQuery.event.remove's overhead
5881 } else {
5882 jQuery.removeEvent( elem, type, data.handle );
5883 }
5884 }
5885 }
5886
5887 // Support: Chrome <=35 - 45+
5888 // Assign undefined instead of using delete, see Data#remove
5889 elem[ dataPriv.expando ] = undefined;
5890 }
5891 if ( elem[ dataUser.expando ] ) {
5892
5893 // Support: Chrome <=35 - 45+
5894 // Assign undefined instead of using delete, see Data#remove
5895 elem[ dataUser.expando ] = undefined;
5896 }
5897 }
5898 }
5899 }
5900 } );
5901
5902 jQuery.fn.extend( {
5903 detach: function( selector ) {
5904 return remove( this, selector, true );
5905 },
5906
5907 remove: function( selector ) {
5908 return remove( this, selector );
5909 },
5910
5911 text: function( value ) {
5912 return access( this, function( value ) {
5913 return value === undefined ?
5914 jQuery.text( this ) :
5915 this.empty().each( function() {
5916 if ( this.nodeType === 1 || this.nodeType === 11 || this.nodeType === 9 ) {
5917 this.textContent = value;
5918 }
5919 } );
5920 }, null, value, arguments.length );
5921 },
5922
5923 append: function() {
5924 return domManip( this, arguments, function( elem ) {
5925 if ( this.nodeType === 1 || this.nodeType === 11 || this.nodeType === 9 ) {
5926 var target = manipulationTarget( this, elem );
5927 target.appendChild( elem );
5928 }
5929 } );
5930 },
5931
5932 prepend: function() {
5933 return domManip( this, arguments, function( elem ) {
5934 if ( this.nodeType === 1 || this.nodeType === 11 || this.nodeType === 9 ) {
5935 var target = manipulationTarget( this, elem );
5936 target.insertBefore( elem, target.firstChild );
5937 }
5938 } );
5939 },
5940
5941 before: function() {
5942 return domManip( this, arguments, function( elem ) {
5943 if ( this.parentNode ) {
5944 this.parentNode.insertBefore( elem, this );
5945 }
5946 } );
5947 },
5948
5949 after: function() {
5950 return domManip( this, arguments, function( elem ) {
5951 if ( this.parentNode ) {
5952 this.parentNode.insertBefore( elem, this.nextSibling );
5953 }
5954 } );
5955 },
5956
5957 empty: function() {
5958 var elem,
5959 i = 0;
5960
5961 for ( ; ( elem = this[ i ] ) != null; i++ ) {
5962 if ( elem.nodeType === 1 ) {
5963
5964 // Prevent memory leaks
5965 jQuery.cleanData( getAll( elem, false ) );
5966
5967 // Remove any remaining nodes
5968 elem.textContent = "";
5969 }
5970 }
5971
5972 return this;
5973 },
5974
5975 clone: function( dataAndEvents, deepDataAndEvents ) {
5976 dataAndEvents = dataAndEvents == null ? false : dataAndEvents;
5977 deepDataAndEvents = deepDataAndEvents == null ? dataAndEvents : deepDataAndEvents;
5978
5979 return this.map( function() {
5980 return jQuery.clone( this, dataAndEvents, deepDataAndEvents );
5981 } );
5982 },
5983
5984 html: function( value ) {
5985 return access( this, function( value ) {
5986 var elem = this[ 0 ] || {},
5987 i = 0,
5988 l = this.length;
5989
5990 if ( value === undefined && elem.nodeType === 1 ) {
5991 return elem.innerHTML;
5992 }
5993
5994 // See if we can take a shortcut and just use innerHTML
5995 if ( typeof value === "string" && !rnoInnerhtml.test( value ) &&
5996 !wrapMap[ ( rtagName.exec( value ) || [ "", "" ] )[ 1 ].toLowerCase() ] ) {
5997
5998 value = jQuery.htmlPrefilter( value );
5999
6000 try {
6001 for ( ; i < l; i++ ) {
6002 elem = this[ i ] || {};
6003
6004 // Remove element nodes and prevent memory leaks
6005 if ( elem.nodeType === 1 ) {
6006 jQuery.cleanData( getAll( elem, false ) );
6007 elem.innerHTML = value;
6008 }
6009 }
6010
6011 elem = 0;
6012
6013 // If using innerHTML throws an exception, use the fallback method
6014 } catch ( e ) {}
6015 }
6016
6017 if ( elem ) {
6018 this.empty().append( value );
6019 }
6020 }, null, value, arguments.length );
6021 },
6022
6023 replaceWith: function() {
6024 var ignored = [];
6025
6026 // Make the changes, replacing each non-ignored context element with the new content
6027 return domManip( this, arguments, function( elem ) {
6028 var parent = this.parentNode;
6029
6030 if ( jQuery.inArray( this, ignored ) < 0 ) {
6031 jQuery.cleanData( getAll( this ) );
6032 if ( parent ) {
6033 parent.replaceChild( elem, this );
6034 }
6035 }
6036
6037 // Force callback invocation
6038 }, ignored );
6039 }
6040 } );
6041
6042 jQuery.each( {
6043 appendTo: "append",
6044 prependTo: "prepend",
6045 insertBefore: "before",
6046 insertAfter: "after",
6047 replaceAll: "replaceWith"
6048 }, function( name, original ) {
6049 jQuery.fn[ name ] = function( selector ) {
6050 var elems,
6051 ret = [],
6052 insert = jQuery( selector ),
6053 last = insert.length - 1,
6054 i = 0;
6055
6056 for ( ; i <= last; i++ ) {
6057 elems = i === last ? this : this.clone( true );
6058 jQuery( insert[ i ] )[ original ]( elems );
6059
6060 // Support: Android <=4.0 only, PhantomJS 1 only
6061 // .get() because push.apply(_, arraylike) throws on ancient WebKit
6062 push.apply( ret, elems.get() );
6063 }
6064
6065 return this.pushStack( ret );
6066 };
6067 } );
6068 var rmargin = ( /^margin/ );
6069
6070 var rnumnonpx = new RegExp( "^(" + pnum + ")(?!px)[a-z%]+$", "i" );
6071
6072 var getStyles = function( elem ) {
6073
6074 // Support: IE <=11 only, Firefox <=30 (#15098, #14150)
6075 // IE throws on elements created in popups
6076 // FF meanwhile throws on frame elements through "defaultView.getComputedStyle"
6077 var view = elem.ownerDocument.defaultView;
6078
6079 if ( !view || !view.opener ) {
6080 view = window;
6081 }
6082
6083 return view.getComputedStyle( elem );
6084 };
6085
6086
6087
6088 ( function() {
6089
6090 // Executing both pixelPosition & boxSizingReliable tests require only one layout
6091 // so they're executed at the same time to save the second computation.
6092 function computeStyleTests() {
6093
6094 // This is a singleton, we need to execute it only once
6095 if ( !div ) {
6096 return;
6097 }
6098
6099 div.style.cssText =
6100 "box-sizing:border-box;" +
6101 "position:relative;display:block;" +
6102 "margin:auto;border:1px;padding:1px;" +
6103 "top:1%;width:50%";
6104 div.innerHTML = "";
6105 documentElement.appendChild( container );
6106
6107 var divStyle = window.getComputedStyle( div );
6108 pixelPositionVal = divStyle.top !== "1%";
6109
6110 // Support: Android 4.0 - 4.3 only, Firefox <=3 - 44
6111 reliableMarginLeftVal = divStyle.marginLeft === "2px";
6112 boxSizingReliableVal = divStyle.width === "4px";
6113
6114 // Support: Android 4.0 - 4.3 only
6115 // Some styles come back with percentage values, even though they shouldn't
6116 div.style.marginRight = "50%";
6117 pixelMarginRightVal = divStyle.marginRight === "4px";
6118
6119 documentElement.removeChild( container );
6120
6121 // Nullify the div so it wouldn't be stored in the memory and
6122 // it will also be a sign that checks already performed
6123 div = null;
6124 }
6125
6126 var pixelPositionVal, boxSizingReliableVal, pixelMarginRightVal, reliableMarginLeftVal,
6127 container = document.createElement( "div" ),
6128 div = document.createElement( "div" );
6129
6130 // Finish early in limited (non-browser) environments
6131 if ( !div.style ) {
6132 return;
6133 }
6134
6135 // Support: IE <=9 - 11 only
6136 // Style of cloned element affects source element cloned (#8908)
6137 div.style.backgroundClip = "content-box";
6138 div.cloneNode( true ).style.backgroundClip = "";
6139 support.clearCloneStyle = div.style.backgroundClip === "content-box";
6140
6141 container.style.cssText = "border:0;width:8px;height:0;top:0;left:-9999px;" +
6142 "padding:0;margin-top:1px;position:absolute";
6143 container.appendChild( div );
6144
6145 jQuery.extend( support, {
6146 pixelPosition: function() {
6147 computeStyleTests();
6148 return pixelPositionVal;
6149 },
6150 boxSizingReliable: function() {
6151 computeStyleTests();
6152 return boxSizingReliableVal;
6153 },
6154 pixelMarginRight: function() {
6155 computeStyleTests();
6156 return pixelMarginRightVal;
6157 },
6158 reliableMarginLeft: function() {
6159 computeStyleTests();
6160 return reliableMarginLeftVal;
6161 }
6162 } );
6163 } )();
6164
6165
6166 function curCSS( elem, name, computed ) {
6167 var width, minWidth, maxWidth, ret,
6168
6169 // Support: Firefox 51+
6170 // Retrieving style before computed somehow
6171 // fixes an issue with getting wrong values
6172 // on detached elements
6173 style = elem.style;
6174
6175 computed = computed || getStyles( elem );
6176
6177 // getPropertyValue is needed for:
6178 // .css('filter') (IE 9 only, #12537)
6179 // .css('--customProperty) (#3144)
6180 if ( computed ) {
6181 ret = computed.getPropertyValue( name ) || computed[ name ];
6182
6183 if ( ret === "" && !jQuery.contains( elem.ownerDocument, elem ) ) {
6184 ret = jQuery.style( elem, name );
6185 }
6186
6187 // A tribute to the "awesome hack by Dean Edwards"
6188 // Android Browser returns percentage for some values,
6189 // but width seems to be reliably pixels.
6190 // This is against the CSSOM draft spec:
6191 // https://drafts.csswg.org/cssom/#resolved-values
6192 if ( !support.pixelMarginRight() && rnumnonpx.test( ret ) && rmargin.test( name ) ) {
6193
6194 // Remember the original values
6195 width = style.width;
6196 minWidth = style.minWidth;
6197 maxWidth = style.maxWidth;
6198
6199 // Put in the new values to get a computed value out
6200 style.minWidth = style.maxWidth = style.width = ret;
6201 ret = computed.width;
6202
6203 // Revert the changed values
6204 style.width = width;
6205 style.minWidth = minWidth;
6206 style.maxWidth = maxWidth;
6207 }
6208 }
6209
6210 return ret !== undefined ?
6211
6212 // Support: IE <=9 - 11 only
6213 // IE returns zIndex value as an integer.
6214 ret + "" :
6215 ret;
6216 }
6217
6218
6219 function addGetHookIf( conditionFn, hookFn ) {
6220
6221 // Define the hook, we'll check on the first run if it's really needed.
6222 return {
6223 get: function() {
6224 if ( conditionFn() ) {
6225
6226 // Hook not needed (or it's not possible to use it due
6227 // to missing dependency), remove it.
6228 delete this.get;
6229 return;
6230 }
6231
6232 // Hook needed; redefine it so that the support test is not executed again.
6233 return ( this.get = hookFn ).apply( this, arguments );
6234 }
6235 };
6236 }
6237
6238
6239 var
6240
6241 // Swappable if display is none or starts with table
6242 // except "table", "table-cell", or "table-caption"
6243 // See here for display values: https://developer.mozilla.org/en-US/docs/CSS/display
6244 rdisplayswap = /^(none|table(?!-c[ea]).+)/,
6245 rcustomProp = /^--/,
6246 cssShow = { position: "absolute", visibility: "hidden", display: "block" },
6247 cssNormalTransform = {
6248 letterSpacing: "0",
6249 fontWeight: "400"
6250 },
6251
6252 cssPrefixes = [ "Webkit", "Moz", "ms" ],
6253 emptyStyle = document.createElement( "div" ).style;
6254
6255 // Return a css property mapped to a potentially vendor prefixed property
6256 function vendorPropName( name ) {
6257
6258 // Shortcut for names that are not vendor prefixed
6259 if ( name in emptyStyle ) {
6260 return name;
6261 }
6262
6263 // Check for vendor prefixed names
6264 var capName = name[ 0 ].toUpperCase() + name.slice( 1 ),
6265 i = cssPrefixes.length;
6266
6267 while ( i-- ) {
6268 name = cssPrefixes[ i ] + capName;
6269 if ( name in emptyStyle ) {
6270 return name;
6271 }
6272 }
6273 }
6274
6275 // Return a property mapped along what jQuery.cssProps suggests or to
6276 // a vendor prefixed property.
6277 function finalPropName( name ) {
6278 var ret = jQuery.cssProps[ name ];
6279 if ( !ret ) {
6280 ret = jQuery.cssProps[ name ] = vendorPropName( name ) || name;
6281 }
6282 return ret;
6283 }
6284
6285 function setPositiveNumber( elem, value, subtract ) {
6286
6287 // Any relative (+/-) values have already been
6288 // normalized at this point
6289 var matches = rcssNum.exec( value );
6290 return matches ?
6291
6292 // Guard against undefined "subtract", e.g., when used as in cssHooks
6293 Math.max( 0, matches[ 2 ] - ( subtract || 0 ) ) + ( matches[ 3 ] || "px" ) :
6294 value;
6295 }
6296
6297 function augmentWidthOrHeight( elem, name, extra, isBorderBox, styles ) {
6298 var i,
6299 val = 0;
6300
6301 // If we already have the right measurement, avoid augmentation
6302 if ( extra === ( isBorderBox ? "border" : "content" ) ) {
6303 i = 4;
6304
6305 // Otherwise initialize for horizontal or vertical properties
6306 } else {
6307 i = name === "width" ? 1 : 0;
6308 }
6309
6310 for ( ; i < 4; i += 2 ) {
6311
6312 // Both box models exclude margin, so add it if we want it
6313 if ( extra === "margin" ) {
6314 val += jQuery.css( elem, extra + cssExpand[ i ], true, styles );
6315 }
6316
6317 if ( isBorderBox ) {
6318
6319 // border-box includes padding, so remove it if we want content
6320 if ( extra === "content" ) {
6321 val -= jQuery.css( elem, "padding" + cssExpand[ i ], true, styles );
6322 }
6323
6324 // At this point, extra isn't border nor margin, so remove border
6325 if ( extra !== "margin" ) {
6326 val -= jQuery.css( elem, "border" + cssExpand[ i ] + "Width", true, styles );
6327 }
6328 } else {
6329
6330 // At this point, extra isn't content, so add padding
6331 val += jQuery.css( elem, "padding" + cssExpand[ i ], true, styles );
6332
6333 // At this point, extra isn't content nor padding, so add border
6334 if ( extra !== "padding" ) {
6335 val += jQuery.css( elem, "border" + cssExpand[ i ] + "Width", true, styles );
6336 }
6337 }
6338 }
6339
6340 return val;
6341 }
6342
6343 function getWidthOrHeight( elem, name, extra ) {
6344
6345 // Start with computed style
6346 var valueIsBorderBox,
6347 styles = getStyles( elem ),
6348 val = curCSS( elem, name, styles ),
6349 isBorderBox = jQuery.css( elem, "boxSizing", false, styles ) === "border-box";
6350
6351 // Computed unit is not pixels. Stop here and return.
6352 if ( rnumnonpx.test( val ) ) {
6353 return val;
6354 }
6355
6356 // Check for style in case a browser which returns unreliable values
6357 // for getComputedStyle silently falls back to the reliable elem.style
6358 valueIsBorderBox = isBorderBox &&
6359 ( support.boxSizingReliable() || val === elem.style[ name ] );
6360
6361 // Fall back to offsetWidth/Height when value is "auto"
6362 // This happens for inline elements with no explicit setting (gh-3571)
6363 if ( val === "auto" ) {
6364 val = elem[ "offset" + name[ 0 ].toUpperCase() + name.slice( 1 ) ];
6365 }
6366
6367 // Normalize "", auto, and prepare for extra
6368 val = parseFloat( val ) || 0;
6369
6370 // Use the active box-sizing model to add/subtract irrelevant styles
6371 return ( val +
6372 augmentWidthOrHeight(
6373 elem,
6374 name,
6375 extra || ( isBorderBox ? "border" : "content" ),
6376 valueIsBorderBox,
6377 styles
6378 )
6379 ) + "px";
6380 }
6381
6382 jQuery.extend( {
6383
6384 // Add in style property hooks for overriding the default
6385 // behavior of getting and setting a style property
6386 cssHooks: {
6387 opacity: {
6388 get: function( elem, computed ) {
6389 if ( computed ) {
6390
6391 // We should always get a number back from opacity
6392 var ret = curCSS( elem, "opacity" );
6393 return ret === "" ? "1" : ret;
6394 }
6395 }
6396 }
6397 },
6398
6399 // Don't automatically add "px" to these possibly-unitless properties
6400 cssNumber: {
6401 "animationIterationCount": true,
6402 "columnCount": true,
6403 "fillOpacity": true,
6404 "flexGrow": true,
6405 "flexShrink": true,
6406 "fontWeight": true,
6407 "lineHeight": true,
6408 "opacity": true,
6409 "order": true,
6410 "orphans": true,
6411 "widows": true,
6412 "zIndex": true,
6413 "zoom": true
6414 },
6415
6416 // Add in properties whose names you wish to fix before
6417 // setting or getting the value
6418 cssProps: {
6419 "float": "cssFloat"
6420 },
6421
6422 // Get and set the style property on a DOM Node
6423 style: function( elem, name, value, extra ) {
6424
6425 // Don't set styles on text and comment nodes
6426 if ( !elem || elem.nodeType === 3 || elem.nodeType === 8 || !elem.style ) {
6427 return;
6428 }
6429
6430 // Make sure that we're working with the right name
6431 var ret, type, hooks,
6432 origName = jQuery.camelCase( name ),
6433 isCustomProp = rcustomProp.test( name ),
6434 style = elem.style;
6435
6436 // Make sure that we're working with the right name. We don't
6437 // want to query the value if it is a CSS custom property
6438 // since they are user-defined.
6439 if ( !isCustomProp ) {
6440 name = finalPropName( origName );
6441 }
6442
6443 // Gets hook for the prefixed version, then unprefixed version
6444 hooks = jQuery.cssHooks[ name ] || jQuery.cssHooks[ origName ];
6445
6446 // Check if we're setting a value
6447 if ( value !== undefined ) {
6448 type = typeof value;
6449
6450 // Convert "+=" or "-=" to relative numbers (#7345)
6451 if ( type === "string" && ( ret = rcssNum.exec( value ) ) && ret[ 1 ] ) {
6452 value = adjustCSS( elem, name, ret );
6453
6454 // Fixes bug #9237
6455 type = "number";
6456 }
6457
6458 // Make sure that null and NaN values aren't set (#7116)
6459 if ( value == null || value !== value ) {
6460 return;
6461 }
6462
6463 // If a number was passed in, add the unit (except for certain CSS properties)
6464 if ( type === "number" ) {
6465 value += ret && ret[ 3 ] || ( jQuery.cssNumber[ origName ] ? "" : "px" );
6466 }
6467
6468 // background-* props affect original clone's values
6469 if ( !support.clearCloneStyle && value === "" && name.indexOf( "background" ) === 0 ) {
6470 style[ name ] = "inherit";
6471 }
6472
6473 // If a hook was provided, use that value, otherwise just set the specified value
6474 if ( !hooks || !( "set" in hooks ) ||
6475 ( value = hooks.set( elem, value, extra ) ) !== undefined ) {
6476
6477 if ( isCustomProp ) {
6478 style.setProperty( name, value );
6479 } else {
6480 style[ name ] = value;
6481 }
6482 }
6483
6484 } else {
6485
6486 // If a hook was provided get the non-computed value from there
6487 if ( hooks && "get" in hooks &&
6488 ( ret = hooks.get( elem, false, extra ) ) !== undefined ) {
6489
6490 return ret;
6491 }
6492
6493 // Otherwise just get the value from the style object
6494 return style[ name ];
6495 }
6496 },
6497
6498 css: function( elem, name, extra, styles ) {
6499 var val, num, hooks,
6500 origName = jQuery.camelCase( name ),
6501 isCustomProp = rcustomProp.test( name );
6502
6503 // Make sure that we're working with the right name. We don't
6504 // want to modify the value if it is a CSS custom property
6505 // since they are user-defined.
6506 if ( !isCustomProp ) {
6507 name = finalPropName( origName );
6508 }
6509
6510 // Try prefixed name followed by the unprefixed name
6511 hooks = jQuery.cssHooks[ name ] || jQuery.cssHooks[ origName ];
6512
6513 // If a hook was provided get the computed value from there
6514 if ( hooks && "get" in hooks ) {
6515 val = hooks.get( elem, true, extra );
6516 }
6517
6518 // Otherwise, if a way to get the computed value exists, use that
6519 if ( val === undefined ) {
6520 val = curCSS( elem, name, styles );
6521 }
6522
6523 // Convert "normal" to computed value
6524 if ( val === "normal" && name in cssNormalTransform ) {
6525 val = cssNormalTransform[ name ];
6526 }
6527
6528 // Make numeric if forced or a qualifier was provided and val looks numeric
6529 if ( extra === "" || extra ) {
6530 num = parseFloat( val );
6531 return extra === true || isFinite( num ) ? num || 0 : val;
6532 }
6533
6534 return val;
6535 }
6536 } );
6537
6538 jQuery.each( [ "height", "width" ], function( i, name ) {
6539 jQuery.cssHooks[ name ] = {
6540 get: function( elem, computed, extra ) {
6541 if ( computed ) {
6542
6543 // Certain elements can have dimension info if we invisibly show them
6544 // but it must have a current display style that would benefit
6545 return rdisplayswap.test( jQuery.css( elem, "display" ) ) &&
6546
6547 // Support: Safari 8+
6548 // Table columns in Safari have non-zero offsetWidth & zero
6549 // getBoundingClientRect().width unless display is changed.
6550 // Support: IE <=11 only
6551 // Running getBoundingClientRect on a disconnected node
6552 // in IE throws an error.
6553 ( !elem.getClientRects().length || !elem.getBoundingClientRect().width ) ?
6554 swap( elem, cssShow, function() {
6555 return getWidthOrHeight( elem, name, extra );
6556 } ) :
6557 getWidthOrHeight( elem, name, extra );
6558 }
6559 },
6560
6561 set: function( elem, value, extra ) {
6562 var matches,
6563 styles = extra && getStyles( elem ),
6564 subtract = extra && augmentWidthOrHeight(
6565 elem,
6566 name,
6567 extra,
6568 jQuery.css( elem, "boxSizing", false, styles ) === "border-box",
6569 styles
6570 );
6571
6572 // Convert to pixels if value adjustment is needed
6573 if ( subtract && ( matches = rcssNum.exec( value ) ) &&
6574 ( matches[ 3 ] || "px" ) !== "px" ) {
6575
6576 elem.style[ name ] = value;
6577 value = jQuery.css( elem, name );
6578 }
6579
6580 return setPositiveNumber( elem, value, subtract );
6581 }
6582 };
6583 } );
6584
6585 jQuery.cssHooks.marginLeft = addGetHookIf( support.reliableMarginLeft,
6586 function( elem, computed ) {
6587 if ( computed ) {
6588 return ( parseFloat( curCSS( elem, "marginLeft" ) ) ||
6589 elem.getBoundingClientRect().left -
6590 swap( elem, { marginLeft: 0 }, function() {
6591 return elem.getBoundingClientRect().left;
6592 } )
6593 ) + "px";
6594 }
6595 }
6596 );
6597
6598 // These hooks are used by animate to expand properties
6599 jQuery.each( {
6600 margin: "",
6601 padding: "",
6602 border: "Width"
6603 }, function( prefix, suffix ) {
6604 jQuery.cssHooks[ prefix + suffix ] = {
6605 expand: function( value ) {
6606 var i = 0,
6607 expanded = {},
6608
6609 // Assumes a single number if not a string
6610 parts = typeof value === "string" ? value.split( " " ) : [ value ];
6611
6612 for ( ; i < 4; i++ ) {
6613 expanded[ prefix + cssExpand[ i ] + suffix ] =
6614 parts[ i ] || parts[ i - 2 ] || parts[ 0 ];
6615 }
6616
6617 return expanded;
6618 }
6619 };
6620
6621 if ( !rmargin.test( prefix ) ) {
6622 jQuery.cssHooks[ prefix + suffix ].set = setPositiveNumber;
6623 }
6624 } );
6625
6626 jQuery.fn.extend( {
6627 css: function( name, value ) {
6628 return access( this, function( elem, name, value ) {
6629 var styles, len,
6630 map = {},
6631 i = 0;
6632
6633 if ( Array.isArray( name ) ) {
6634 styles = getStyles( elem );
6635 len = name.length;
6636
6637 for ( ; i < len; i++ ) {
6638 map[ name[ i ] ] = jQuery.css( elem, name[ i ], false, styles );
6639 }
6640
6641 return map;
6642 }
6643
6644 return value !== undefined ?
6645 jQuery.style( elem, name, value ) :
6646 jQuery.css( elem, name );
6647 }, name, value, arguments.length > 1 );
6648 }
6649 } );
6650
6651
6652 function Tween( elem, options, prop, end, easing ) {
6653 return new Tween.prototype.init( elem, options, prop, end, easing );
6654 }
6655 jQuery.Tween = Tween;
6656
6657 Tween.prototype = {
6658 constructor: Tween,
6659 init: function( elem, options, prop, end, easing, unit ) {
6660 this.elem = elem;
6661 this.prop = prop;
6662 this.easing = easing || jQuery.easing._default;
6663 this.options = options;
6664 this.start = this.now = this.cur();
6665 this.end = end;
6666 this.unit = unit || ( jQuery.cssNumber[ prop ] ? "" : "px" );
6667 },
6668 cur: function() {
6669 var hooks = Tween.propHooks[ this.prop ];
6670
6671 return hooks && hooks.get ?
6672 hooks.get( this ) :
6673 Tween.propHooks._default.get( this );
6674 },
6675 run: function( percent ) {
6676 var eased,
6677 hooks = Tween.propHooks[ this.prop ];
6678
6679 if ( this.options.duration ) {
6680 this.pos = eased = jQuery.easing[ this.easing ](
6681 percent, this.options.duration * percent, 0, 1, this.options.duration
6682 );
6683 } else {
6684 this.pos = eased = percent;
6685 }
6686 this.now = ( this.end - this.start ) * eased + this.start;
6687
6688 if ( this.options.step ) {
6689 this.options.step.call( this.elem, this.now, this );
6690 }
6691
6692 if ( hooks && hooks.set ) {
6693 hooks.set( this );
6694 } else {
6695 Tween.propHooks._default.set( this );
6696 }
6697 return this;
6698 }
6699 };
6700
6701 Tween.prototype.init.prototype = Tween.prototype;
6702
6703 Tween.propHooks = {
6704 _default: {
6705 get: function( tween ) {
6706 var result;
6707
6708 // Use a property on the element directly when it is not a DOM element,
6709 // or when there is no matching style property that exists.
6710 if ( tween.elem.nodeType !== 1 ||
6711 tween.elem[ tween.prop ] != null && tween.elem.style[ tween.prop ] == null ) {
6712 return tween.elem[ tween.prop ];
6713 }
6714
6715 // Passing an empty string as a 3rd parameter to .css will automatically
6716 // attempt a parseFloat and fallback to a string if the parse fails.
6717 // Simple values such as "10px" are parsed to Float;
6718 // complex values such as "rotate(1rad)" are returned as-is.
6719 result = jQuery.css( tween.elem, tween.prop, "" );
6720
6721 // Empty strings, null, undefined and "auto" are converted to 0.
6722 return !result || result === "auto" ? 0 : result;
6723 },
6724 set: function( tween ) {
6725
6726 // Use step hook for back compat.
6727 // Use cssHook if its there.
6728 // Use .style if available and use plain properties where available.
6729 if ( jQuery.fx.step[ tween.prop ] ) {
6730 jQuery.fx.step[ tween.prop ]( tween );
6731 } else if ( tween.elem.nodeType === 1 &&
6732 ( tween.elem.style[ jQuery.cssProps[ tween.prop ] ] != null ||
6733 jQuery.cssHooks[ tween.prop ] ) ) {
6734 jQuery.style( tween.elem, tween.prop, tween.now + tween.unit );
6735 } else {
6736 tween.elem[ tween.prop ] = tween.now;
6737 }
6738 }
6739 }
6740 };
6741
6742 // Support: IE <=9 only
6743 // Panic based approach to setting things on disconnected nodes
6744 Tween.propHooks.scrollTop = Tween.propHooks.scrollLeft = {
6745 set: function( tween ) {
6746 if ( tween.elem.nodeType && tween.elem.parentNode ) {
6747 tween.elem[ tween.prop ] = tween.now;
6748 }
6749 }
6750 };
6751
6752 jQuery.easing = {
6753 linear: function( p ) {
6754 return p;
6755 },
6756 swing: function( p ) {
6757 return 0.5 - Math.cos( p * Math.PI ) / 2;
6758 },
6759 _default: "swing"
6760 };
6761
6762 jQuery.fx = Tween.prototype.init;
6763
6764 // Back compat <1.8 extension point
6765 jQuery.fx.step = {};
6766
6767
6768
6769
6770 var
6771 fxNow, inProgress,
6772 rfxtypes = /^(?:toggle|show|hide)$/,
6773 rrun = /queueHooks$/;
6774
6775 function schedule() {
6776 if ( inProgress ) {
6777 if ( document.hidden === false && window.requestAnimationFrame ) {
6778 window.requestAnimationFrame( schedule );
6779 } else {
6780 window.setTimeout( schedule, jQuery.fx.interval );
6781 }
6782
6783 jQuery.fx.tick();
6784 }
6785 }
6786
6787 // Animations created synchronously will run synchronously
6788 function createFxNow() {
6789 window.setTimeout( function() {
6790 fxNow = undefined;
6791 } );
6792 return ( fxNow = jQuery.now() );
6793 }
6794
6795 // Generate parameters to create a standard animation
6796 function genFx( type, includeWidth ) {
6797 var which,
6798 i = 0,
6799 attrs = { height: type };
6800
6801 // If we include width, step value is 1 to do all cssExpand values,
6802 // otherwise step value is 2 to skip over Left and Right
6803 includeWidth = includeWidth ? 1 : 0;
6804 for ( ; i < 4; i += 2 - includeWidth ) {
6805 which = cssExpand[ i ];
6806 attrs[ "margin" + which ] = attrs[ "padding" + which ] = type;
6807 }
6808
6809 if ( includeWidth ) {
6810 attrs.opacity = attrs.width = type;
6811 }
6812
6813 return attrs;
6814 }
6815
6816 function createTween( value, prop, animation ) {
6817 var tween,
6818 collection = ( Animation.tweeners[ prop ] || [] ).concat( Animation.tweeners[ "*" ] ),
6819 index = 0,
6820 length = collection.length;
6821 for ( ; index < length; index++ ) {
6822 if ( ( tween = collection[ index ].call( animation, prop, value ) ) ) {
6823
6824 // We're done with this property
6825 return tween;
6826 }
6827 }
6828 }
6829
6830 function defaultPrefilter( elem, props, opts ) {
6831 var prop, value, toggle, hooks, oldfire, propTween, restoreDisplay, display,
6832 isBox = "width" in props || "height" in props,
6833 anim = this,
6834 orig = {},
6835 style = elem.style,
6836 hidden = elem.nodeType && isHiddenWithinTree( elem ),
6837 dataShow = dataPriv.get( elem, "fxshow" );
6838
6839 // Queue-skipping animations hijack the fx hooks
6840 if ( !opts.queue ) {
6841 hooks = jQuery._queueHooks( elem, "fx" );
6842 if ( hooks.unqueued == null ) {
6843 hooks.unqueued = 0;
6844 oldfire = hooks.empty.fire;
6845 hooks.empty.fire = function() {
6846 if ( !hooks.unqueued ) {
6847 oldfire();
6848 }
6849 };
6850 }
6851 hooks.unqueued++;
6852
6853 anim.always( function() {
6854
6855 // Ensure the complete handler is called before this completes
6856 anim.always( function() {
6857 hooks.unqueued--;
6858 if ( !jQuery.queue( elem, "fx" ).length ) {
6859 hooks.empty.fire();
6860 }
6861 } );
6862 } );
6863 }
6864
6865 // Detect show/hide animations
6866 for ( prop in props ) {
6867 value = props[ prop ];
6868 if ( rfxtypes.test( value ) ) {
6869 delete props[ prop ];
6870 toggle = toggle || value === "toggle";
6871 if ( value === ( hidden ? "hide" : "show" ) ) {
6872
6873 // Pretend to be hidden if this is a "show" and
6874 // there is still data from a stopped show/hide
6875 if ( value === "show" && dataShow && dataShow[ prop ] !== undefined ) {
6876 hidden = true;
6877
6878 // Ignore all other no-op show/hide data
6879 } else {
6880 continue;
6881 }
6882 }
6883 orig[ prop ] = dataShow && dataShow[ prop ] || jQuery.style( elem, prop );
6884 }
6885 }
6886
6887 // Bail out if this is a no-op like .hide().hide()
6888 propTween = !jQuery.isEmptyObject( props );
6889 if ( !propTween && jQuery.isEmptyObject( orig ) ) {
6890 return;
6891 }
6892
6893 // Restrict "overflow" and "display" styles during box animations
6894 if ( isBox && elem.nodeType === 1 ) {
6895
6896 // Support: IE <=9 - 11, Edge 12 - 13
6897 // Record all 3 overflow attributes because IE does not infer the shorthand
6898 // from identically-valued overflowX and overflowY
6899 opts.overflow = [ style.overflow, style.overflowX, style.overflowY ];
6900
6901 // Identify a display type, preferring old show/hide data over the CSS cascade
6902 restoreDisplay = dataShow && dataShow.display;
6903 if ( restoreDisplay == null ) {
6904 restoreDisplay = dataPriv.get( elem, "display" );
6905 }
6906 display = jQuery.css( elem, "display" );
6907 if ( display === "none" ) {
6908 if ( restoreDisplay ) {
6909 display = restoreDisplay;
6910 } else {
6911
6912 // Get nonempty value(s) by temporarily forcing visibility
6913 showHide( [ elem ], true );
6914 restoreDisplay = elem.style.display || restoreDisplay;
6915 display = jQuery.css( elem, "display" );
6916 showHide( [ elem ] );
6917 }
6918 }
6919
6920 // Animate inline elements as inline-block
6921 if ( display === "inline" || display === "inline-block" && restoreDisplay != null ) {
6922 if ( jQuery.css( elem, "float" ) === "none" ) {
6923
6924 // Restore the original display value at the end of pure show/hide animations
6925 if ( !propTween ) {
6926 anim.done( function() {
6927 style.display = restoreDisplay;
6928 } );
6929 if ( restoreDisplay == null ) {
6930 display = style.display;
6931 restoreDisplay = display === "none" ? "" : display;
6932 }
6933 }
6934 style.display = "inline-block";
6935 }
6936 }
6937 }
6938
6939 if ( opts.overflow ) {
6940 style.overflow = "hidden";
6941 anim.always( function() {
6942 style.overflow = opts.overflow[ 0 ];
6943 style.overflowX = opts.overflow[ 1 ];
6944 style.overflowY = opts.overflow[ 2 ];
6945 } );
6946 }
6947
6948 // Implement show/hide animations
6949 propTween = false;
6950 for ( prop in orig ) {
6951
6952 // General show/hide setup for this element animation
6953 if ( !propTween ) {
6954 if ( dataShow ) {
6955 if ( "hidden" in dataShow ) {
6956 hidden = dataShow.hidden;
6957 }
6958 } else {
6959 dataShow = dataPriv.access( elem, "fxshow", { display: restoreDisplay } );
6960 }
6961
6962 // Store hidden/visible for toggle so `.stop().toggle()` "reverses"
6963 if ( toggle ) {
6964 dataShow.hidden = !hidden;
6965 }
6966
6967 // Show elements before animating them
6968 if ( hidden ) {
6969 showHide( [ elem ], true );
6970 }
6971
6972 /* eslint-disable no-loop-func */
6973
6974 anim.done( function() {
6975
6976 /* eslint-enable no-loop-func */
6977
6978 // The final step of a "hide" animation is actually hiding the element
6979 if ( !hidden ) {
6980 showHide( [ elem ] );
6981 }
6982 dataPriv.remove( elem, "fxshow" );
6983 for ( prop in orig ) {
6984 jQuery.style( elem, prop, orig[ prop ] );
6985 }
6986 } );
6987 }
6988
6989 // Per-property setup
6990 propTween = createTween( hidden ? dataShow[ prop ] : 0, prop, anim );
6991 if ( !( prop in dataShow ) ) {
6992 dataShow[ prop ] = propTween.start;
6993 if ( hidden ) {
6994 propTween.end = propTween.start;
6995 propTween.start = 0;
6996 }
6997 }
6998 }
6999 }
7000
7001 function propFilter( props, specialEasing ) {
7002 var index, name, easing, value, hooks;
7003
7004 // camelCase, specialEasing and expand cssHook pass
7005 for ( index in props ) {
7006 name = jQuery.camelCase( index );
7007 easing = specialEasing[ name ];
7008 value = props[ index ];
7009 if ( Array.isArray( value ) ) {
7010 easing = value[ 1 ];
7011 value = props[ index ] = value[ 0 ];
7012 }
7013
7014 if ( index !== name ) {
7015 props[ name ] = value;
7016 delete props[ index ];
7017 }
7018
7019 hooks = jQuery.cssHooks[ name ];
7020 if ( hooks && "expand" in hooks ) {
7021 value = hooks.expand( value );
7022 delete props[ name ];
7023
7024 // Not quite $.extend, this won't overwrite existing keys.
7025 // Reusing 'index' because we have the correct "name"
7026 for ( index in value ) {
7027 if ( !( index in props ) ) {
7028 props[ index ] = value[ index ];
7029 specialEasing[ index ] = easing;
7030 }
7031 }
7032 } else {
7033 specialEasing[ name ] = easing;
7034 }
7035 }
7036 }
7037
7038 function Animation( elem, properties, options ) {
7039 var result,
7040 stopped,
7041 index = 0,
7042 length = Animation.prefilters.length,
7043 deferred = jQuery.Deferred().always( function() {
7044
7045 // Don't match elem in the :animated selector
7046 delete tick.elem;
7047 } ),
7048 tick = function() {
7049 if ( stopped ) {
7050 return false;
7051 }
7052 var currentTime = fxNow || createFxNow(),
7053 remaining = Math.max( 0, animation.startTime + animation.duration - currentTime ),
7054
7055 // Support: Android 2.3 only
7056 // Archaic crash bug won't allow us to use `1 - ( 0.5 || 0 )` (#12497)
7057 temp = remaining / animation.duration || 0,
7058 percent = 1 - temp,
7059 index = 0,
7060 length = animation.tweens.length;
7061
7062 for ( ; index < length; index++ ) {
7063 animation.tweens[ index ].run( percent );
7064 }
7065
7066 deferred.notifyWith( elem, [ animation, percent, remaining ] );
7067
7068 // If there's more to do, yield
7069 if ( percent < 1 && length ) {
7070 return remaining;
7071 }
7072
7073 // If this was an empty animation, synthesize a final progress notification
7074 if ( !length ) {
7075 deferred.notifyWith( elem, [ animation, 1, 0 ] );
7076 }
7077
7078 // Resolve the animation and report its conclusion
7079 deferred.resolveWith( elem, [ animation ] );
7080 return false;
7081 },
7082 animation = deferred.promise( {
7083 elem: elem,
7084 props: jQuery.extend( {}, properties ),
7085 opts: jQuery.extend( true, {
7086 specialEasing: {},
7087 easing: jQuery.easing._default
7088 }, options ),
7089 originalProperties: properties,
7090 originalOptions: options,
7091 startTime: fxNow || createFxNow(),
7092 duration: options.duration,
7093 tweens: [],
7094 createTween: function( prop, end ) {
7095 var tween = jQuery.Tween( elem, animation.opts, prop, end,
7096 animation.opts.specialEasing[ prop ] || animation.opts.easing );
7097 animation.tweens.push( tween );
7098 return tween;
7099 },
7100 stop: function( gotoEnd ) {
7101 var index = 0,
7102
7103 // If we are going to the end, we want to run all the tweens
7104 // otherwise we skip this part
7105 length = gotoEnd ? animation.tweens.length : 0;
7106 if ( stopped ) {
7107 return this;
7108 }
7109 stopped = true;
7110 for ( ; index < length; index++ ) {
7111 animation.tweens[ index ].run( 1 );
7112 }
7113
7114 // Resolve when we played the last frame; otherwise, reject
7115 if ( gotoEnd ) {
7116 deferred.notifyWith( elem, [ animation, 1, 0 ] );
7117 deferred.resolveWith( elem, [ animation, gotoEnd ] );
7118 } else {
7119 deferred.rejectWith( elem, [ animation, gotoEnd ] );
7120 }
7121 return this;
7122 }
7123 } ),
7124 props = animation.props;
7125
7126 propFilter( props, animation.opts.specialEasing );
7127
7128 for ( ; index < length; index++ ) {
7129 result = Animation.prefilters[ index ].call( animation, elem, props, animation.opts );
7130 if ( result ) {
7131 if ( jQuery.isFunction( result.stop ) ) {
7132 jQuery._queueHooks( animation.elem, animation.opts.queue ).stop =
7133 jQuery.proxy( result.stop, result );
7134 }
7135 return result;
7136 }
7137 }
7138
7139 jQuery.map( props, createTween, animation );
7140
7141 if ( jQuery.isFunction( animation.opts.start ) ) {
7142 animation.opts.start.call( elem, animation );
7143 }
7144
7145 // Attach callbacks from options
7146 animation
7147 .progress( animation.opts.progress )
7148 .done( animation.opts.done, animation.opts.complete )
7149 .fail( animation.opts.fail )
7150 .always( animation.opts.always );
7151
7152 jQuery.fx.timer(
7153 jQuery.extend( tick, {
7154 elem: elem,
7155 anim: animation,
7156 queue: animation.opts.queue
7157 } )
7158 );
7159
7160 return animation;
7161 }
7162
7163 jQuery.Animation = jQuery.extend( Animation, {
7164
7165 tweeners: {
7166 "*": [ function( prop, value ) {
7167 var tween = this.createTween( prop, value );
7168 adjustCSS( tween.elem, prop, rcssNum.exec( value ), tween );
7169 return tween;
7170 } ]
7171 },
7172
7173 tweener: function( props, callback ) {
7174 if ( jQuery.isFunction( props ) ) {
7175 callback = props;
7176 props = [ "*" ];
7177 } else {
7178 props = props.match( rnothtmlwhite );
7179 }
7180
7181 var prop,
7182 index = 0,
7183 length = props.length;
7184
7185 for ( ; index < length; index++ ) {
7186 prop = props[ index ];
7187 Animation.tweeners[ prop ] = Animation.tweeners[ prop ] || [];
7188 Animation.tweeners[ prop ].unshift( callback );
7189 }
7190 },
7191
7192 prefilters: [ defaultPrefilter ],
7193
7194 prefilter: function( callback, prepend ) {
7195 if ( prepend ) {
7196 Animation.prefilters.unshift( callback );
7197 } else {
7198 Animation.prefilters.push( callback );
7199 }
7200 }
7201 } );
7202
7203 jQuery.speed = function( speed, easing, fn ) {
7204 var opt = speed && typeof speed === "object" ? jQuery.extend( {}, speed ) : {
7205 complete: fn || !fn && easing ||
7206 jQuery.isFunction( speed ) && speed,
7207 duration: speed,
7208 easing: fn && easing || easing && !jQuery.isFunction( easing ) && easing
7209 };
7210
7211 // Go to the end state if fx are off
7212 if ( jQuery.fx.off ) {
7213 opt.duration = 0;
7214
7215 } else {
7216 if ( typeof opt.duration !== "number" ) {
7217 if ( opt.duration in jQuery.fx.speeds ) {
7218 opt.duration = jQuery.fx.speeds[ opt.duration ];
7219
7220 } else {
7221 opt.duration = jQuery.fx.speeds._default;
7222 }
7223 }
7224 }
7225
7226 // Normalize opt.queue - true/undefined/null -> "fx"
7227 if ( opt.queue == null || opt.queue === true ) {
7228 opt.queue = "fx";
7229 }
7230
7231 // Queueing
7232 opt.old = opt.complete;
7233
7234 opt.complete = function() {
7235 if ( jQuery.isFunction( opt.old ) ) {
7236 opt.old.call( this );
7237 }
7238
7239 if ( opt.queue ) {
7240 jQuery.dequeue( this, opt.queue );
7241 }
7242 };
7243
7244 return opt;
7245 };
7246
7247 jQuery.fn.extend( {
7248 fadeTo: function( speed, to, easing, callback ) {
7249
7250 // Show any hidden elements after setting opacity to 0
7251 return this.filter( isHiddenWithinTree ).css( "opacity", 0 ).show()
7252
7253 // Animate to the value specified
7254 .end().animate( { opacity: to }, speed, easing, callback );
7255 },
7256 animate: function( prop, speed, easing, callback ) {
7257 var empty = jQuery.isEmptyObject( prop ),
7258 optall = jQuery.speed( speed, easing, callback ),
7259 doAnimation = function() {
7260
7261 // Operate on a copy of prop so per-property easing won't be lost
7262 var anim = Animation( this, jQuery.extend( {}, prop ), optall );
7263
7264 // Empty animations, or finishing resolves immediately
7265 if ( empty || dataPriv.get( this, "finish" ) ) {
7266 anim.stop( true );
7267 }
7268 };
7269 doAnimation.finish = doAnimation;
7270
7271 return empty || optall.queue === false ?
7272 this.each( doAnimation ) :
7273 this.queue( optall.queue, doAnimation );
7274 },
7275 stop: function( type, clearQueue, gotoEnd ) {
7276 var stopQueue = function( hooks ) {
7277 var stop = hooks.stop;
7278 delete hooks.stop;
7279 stop( gotoEnd );
7280 };
7281
7282 if ( typeof type !== "string" ) {
7283 gotoEnd = clearQueue;
7284 clearQueue = type;
7285 type = undefined;
7286 }
7287 if ( clearQueue && type !== false ) {
7288 this.queue( type || "fx", [] );
7289 }
7290
7291 return this.each( function() {
7292 var dequeue = true,
7293 index = type != null && type + "queueHooks",
7294 timers = jQuery.timers,
7295 data = dataPriv.get( this );
7296
7297 if ( index ) {
7298 if ( data[ index ] && data[ index ].stop ) {
7299 stopQueue( data[ index ] );
7300 }
7301 } else {
7302 for ( index in data ) {
7303 if ( data[ index ] && data[ index ].stop && rrun.test( index ) ) {
7304 stopQueue( data[ index ] );
7305 }
7306 }
7307 }
7308
7309 for ( index = timers.length; index--; ) {
7310 if ( timers[ index ].elem === this &&
7311 ( type == null || timers[ index ].queue === type ) ) {
7312
7313 timers[ index ].anim.stop( gotoEnd );
7314 dequeue = false;
7315 timers.splice( index, 1 );
7316 }
7317 }
7318
7319 // Start the next in the queue if the last step wasn't forced.
7320 // Timers currently will call their complete callbacks, which
7321 // will dequeue but only if they were gotoEnd.
7322 if ( dequeue || !gotoEnd ) {
7323 jQuery.dequeue( this, type );
7324 }
7325 } );
7326 },
7327 finish: function( type ) {
7328 if ( type !== false ) {
7329 type = type || "fx";
7330 }
7331 return this.each( function() {
7332 var index,
7333 data = dataPriv.get( this ),
7334 queue = data[ type + "queue" ],
7335 hooks = data[ type + "queueHooks" ],
7336 timers = jQuery.timers,
7337 length = queue ? queue.length : 0;
7338
7339 // Enable finishing flag on private data
7340 data.finish = true;
7341
7342 // Empty the queue first
7343 jQuery.queue( this, type, [] );
7344
7345 if ( hooks && hooks.stop ) {
7346 hooks.stop.call( this, true );
7347 }
7348
7349 // Look for any active animations, and finish them
7350 for ( index = timers.length; index--; ) {
7351 if ( timers[ index ].elem === this && timers[ index ].queue === type ) {
7352 timers[ index ].anim.stop( true );
7353 timers.splice( index, 1 );
7354 }
7355 }
7356
7357 // Look for any animations in the old queue and finish them
7358 for ( index = 0; index < length; index++ ) {
7359 if ( queue[ index ] && queue[ index ].finish ) {
7360 queue[ index ].finish.call( this );
7361 }
7362 }
7363
7364 // Turn off finishing flag
7365 delete data.finish;
7366 } );
7367 }
7368 } );
7369
7370 jQuery.each( [ "toggle", "show", "hide" ], function( i, name ) {
7371 var cssFn = jQuery.fn[ name ];
7372 jQuery.fn[ name ] = function( speed, easing, callback ) {
7373 return speed == null || typeof speed === "boolean" ?
7374 cssFn.apply( this, arguments ) :
7375 this.animate( genFx( name, true ), speed, easing, callback );
7376 };
7377 } );
7378
7379 // Generate shortcuts for custom animations
7380 jQuery.each( {
7381 slideDown: genFx( "show" ),
7382 slideUp: genFx( "hide" ),
7383 slideToggle: genFx( "toggle" ),
7384 fadeIn: { opacity: "show" },
7385 fadeOut: { opacity: "hide" },
7386 fadeToggle: { opacity: "toggle" }
7387 }, function( name, props ) {
7388 jQuery.fn[ name ] = function( speed, easing, callback ) {
7389 return this.animate( props, speed, easing, callback );
7390 };
7391 } );
7392
7393 jQuery.timers = [];
7394 jQuery.fx.tick = function() {
7395 var timer,
7396 i = 0,
7397 timers = jQuery.timers;
7398
7399 fxNow = jQuery.now();
7400
7401 for ( ; i < timers.length; i++ ) {
7402 timer = timers[ i ];
7403
7404 // Run the timer and safely remove it when done (allowing for external removal)
7405 if ( !timer() && timers[ i ] === timer ) {
7406 timers.splice( i--, 1 );
7407 }
7408 }
7409
7410 if ( !timers.length ) {
7411 jQuery.fx.stop();
7412 }
7413 fxNow = undefined;
7414 };
7415
7416 jQuery.fx.timer = function( timer ) {
7417 jQuery.timers.push( timer );
7418 jQuery.fx.start();
7419 };
7420
7421 jQuery.fx.interval = 13;
7422 jQuery.fx.start = function() {
7423 if ( inProgress ) {
7424 return;
7425 }
7426
7427 inProgress = true;
7428 schedule();
7429 };
7430
7431 jQuery.fx.stop = function() {
7432 inProgress = null;
7433 };
7434
7435 jQuery.fx.speeds = {
7436 slow: 600,
7437 fast: 200,
7438
7439 // Default speed
7440 _default: 400
7441 };
7442
7443
7444 // Based off of the plugin by Clint Helfers, with permission.
7445 // https://web.archive.org/web/20100324014747/http://blindsignals.com/index.php/2009/07/jquery-delay/
7446 jQuery.fn.delay = function( time, type ) {
7447 time = jQuery.fx ? jQuery.fx.speeds[ time ] || time : time;
7448 type = type || "fx";
7449
7450 return this.queue( type, function( next, hooks ) {
7451 var timeout = window.setTimeout( next, time );
7452 hooks.stop = function() {
7453 window.clearTimeout( timeout );
7454 };
7455 } );
7456 };
7457
7458
7459 ( function() {
7460 var input = document.createElement( "input" ),
7461 select = document.createElement( "select" ),
7462 opt = select.appendChild( document.createElement( "option" ) );
7463
7464 input.type = "checkbox";
7465
7466 // Support: Android <=4.3 only
7467 // Default value for a checkbox should be "on"
7468 support.checkOn = input.value !== "";
7469
7470 // Support: IE <=11 only
7471 // Must access selectedIndex to make default options select
7472 support.optSelected = opt.selected;
7473
7474 // Support: IE <=11 only
7475 // An input loses its value after becoming a radio
7476 input = document.createElement( "input" );
7477 input.value = "t";
7478 input.type = "radio";
7479 support.radioValue = input.value === "t";
7480 } )();
7481
7482
7483 var boolHook,
7484 attrHandle = jQuery.expr.attrHandle;
7485
7486 jQuery.fn.extend( {
7487 attr: function( name, value ) {
7488 return access( this, jQuery.attr, name, value, arguments.length > 1 );
7489 },
7490
7491 removeAttr: function( name ) {
7492 return this.each( function() {
7493 jQuery.removeAttr( this, name );
7494 } );
7495 }
7496 } );
7497
7498 jQuery.extend( {
7499 attr: function( elem, name, value ) {
7500 var ret, hooks,
7501 nType = elem.nodeType;
7502
7503 // Don't get/set attributes on text, comment and attribute nodes
7504 if ( nType === 3 || nType === 8 || nType === 2 ) {
7505 return;
7506 }
7507
7508 // Fallback to prop when attributes are not supported
7509 if ( typeof elem.getAttribute === "undefined" ) {
7510 return jQuery.prop( elem, name, value );
7511 }
7512
7513 // Attribute hooks are determined by the lowercase version
7514 // Grab necessary hook if one is defined
7515 if ( nType !== 1 || !jQuery.isXMLDoc( elem ) ) {
7516 hooks = jQuery.attrHooks[ name.toLowerCase() ] ||
7517 ( jQuery.expr.match.bool.test( name ) ? boolHook : undefined );
7518 }
7519
7520 if ( value !== undefined ) {
7521 if ( value === null ) {
7522 jQuery.removeAttr( elem, name );
7523 return;
7524 }
7525
7526 if ( hooks && "set" in hooks &&
7527 ( ret = hooks.set( elem, value, name ) ) !== undefined ) {
7528 return ret;
7529 }
7530
7531 elem.setAttribute( name, value + "" );
7532 return value;
7533 }
7534
7535 if ( hooks && "get" in hooks && ( ret = hooks.get( elem, name ) ) !== null ) {
7536 return ret;
7537 }
7538
7539 ret = jQuery.find.attr( elem, name );
7540
7541 // Non-existent attributes return null, we normalize to undefined
7542 return ret == null ? undefined : ret;
7543 },
7544
7545 attrHooks: {
7546 type: {
7547 set: function( elem, value ) {
7548 if ( !support.radioValue && value === "radio" &&
7549 nodeName( elem, "input" ) ) {
7550 var val = elem.value;
7551 elem.setAttribute( "type", value );
7552 if ( val ) {
7553 elem.value = val;
7554 }
7555 return value;
7556 }
7557 }
7558 }
7559 },
7560
7561 removeAttr: function( elem, value ) {
7562 var name,
7563 i = 0,
7564
7565 // Attribute names can contain non-HTML whitespace characters
7566 // https://html.spec.whatwg.org/multipage/syntax.html#attributes-2
7567 attrNames = value && value.match( rnothtmlwhite );
7568
7569 if ( attrNames && elem.nodeType === 1 ) {
7570 while ( ( name = attrNames[ i++ ] ) ) {
7571 elem.removeAttribute( name );
7572 }
7573 }
7574 }
7575 } );
7576
7577 // Hooks for boolean attributes
7578 boolHook = {
7579 set: function( elem, value, name ) {
7580 if ( value === false ) {
7581
7582 // Remove boolean attributes when set to false
7583 jQuery.removeAttr( elem, name );
7584 } else {
7585 elem.setAttribute( name, name );
7586 }
7587 return name;
7588 }
7589 };
7590
7591 jQuery.each( jQuery.expr.match.bool.source.match( /\w+/g ), function( i, name ) {
7592 var getter = attrHandle[ name ] || jQuery.find.attr;
7593
7594 attrHandle[ name ] = function( elem, name, isXML ) {
7595 var ret, handle,
7596 lowercaseName = name.toLowerCase();
7597
7598 if ( !isXML ) {
7599
7600 // Avoid an infinite loop by temporarily removing this function from the getter
7601 handle = attrHandle[ lowercaseName ];
7602 attrHandle[ lowercaseName ] = ret;
7603 ret = getter( elem, name, isXML ) != null ?
7604 lowercaseName :
7605 null;
7606 attrHandle[ lowercaseName ] = handle;
7607 }
7608 return ret;
7609 };
7610 } );
7611
7612
7613
7614
7615 var rfocusable = /^(?:input|select|textarea|button)$/i,
7616 rclickable = /^(?:a|area)$/i;
7617
7618 jQuery.fn.extend( {
7619 prop: function( name, value ) {
7620 return access( this, jQuery.prop, name, value, arguments.length > 1 );
7621 },
7622
7623 removeProp: function( name ) {
7624 return this.each( function() {
7625 delete this[ jQuery.propFix[ name ] || name ];
7626 } );
7627 }
7628 } );
7629
7630 jQuery.extend( {
7631 prop: function( elem, name, value ) {
7632 var ret, hooks,
7633 nType = elem.nodeType;
7634
7635 // Don't get/set properties on text, comment and attribute nodes
7636 if ( nType === 3 || nType === 8 || nType === 2 ) {
7637 return;
7638 }
7639
7640 if ( nType !== 1 || !jQuery.isXMLDoc( elem ) ) {
7641
7642 // Fix name and attach hooks
7643 name = jQuery.propFix[ name ] || name;
7644 hooks = jQuery.propHooks[ name ];
7645 }
7646
7647 if ( value !== undefined ) {
7648 if ( hooks && "set" in hooks &&
7649 ( ret = hooks.set( elem, value, name ) ) !== undefined ) {
7650 return ret;
7651 }
7652
7653 return ( elem[ name ] = value );
7654 }
7655
7656 if ( hooks && "get" in hooks && ( ret = hooks.get( elem, name ) ) !== null ) {
7657 return ret;
7658 }
7659
7660 return elem[ name ];
7661 },
7662
7663 propHooks: {
7664 tabIndex: {
7665 get: function( elem ) {
7666
7667 // Support: IE <=9 - 11 only
7668 // elem.tabIndex doesn't always return the
7669 // correct value when it hasn't been explicitly set
7670 // https://web.archive.org/web/20141116233347/http://fluidproject.org/blog/2008/01/09/getting-setting-and-removing-tabindex-values-with-javascript/
7671 // Use proper attribute retrieval(#12072)
7672 var tabindex = jQuery.find.attr( elem, "tabindex" );
7673
7674 if ( tabindex ) {
7675 return parseInt( tabindex, 10 );
7676 }
7677
7678 if (
7679 rfocusable.test( elem.nodeName ) ||
7680 rclickable.test( elem.nodeName ) &&
7681 elem.href
7682 ) {
7683 return 0;
7684 }
7685
7686 return -1;
7687 }
7688 }
7689 },
7690
7691 propFix: {
7692 "for": "htmlFor",
7693 "class": "className"
7694 }
7695 } );
7696
7697 // Support: IE <=11 only
7698 // Accessing the selectedIndex property
7699 // forces the browser to respect setting selected
7700 // on the option
7701 // The getter ensures a default option is selected
7702 // when in an optgroup
7703 // eslint rule "no-unused-expressions" is disabled for this code
7704 // since it considers such accessions noop
7705 if ( !support.optSelected ) {
7706 jQuery.propHooks.selected = {
7707 get: function( elem ) {
7708
7709 /* eslint no-unused-expressions: "off" */
7710
7711 var parent = elem.parentNode;
7712 if ( parent && parent.parentNode ) {
7713 parent.parentNode.selectedIndex;
7714 }
7715 return null;
7716 },
7717 set: function( elem ) {
7718
7719 /* eslint no-unused-expressions: "off" */
7720
7721 var parent = elem.parentNode;
7722 if ( parent ) {
7723 parent.selectedIndex;
7724
7725 if ( parent.parentNode ) {
7726 parent.parentNode.selectedIndex;
7727 }
7728 }
7729 }
7730 };
7731 }
7732
7733 jQuery.each( [
7734 "tabIndex",
7735 "readOnly",
7736 "maxLength",
7737 "cellSpacing",
7738 "cellPadding",
7739 "rowSpan",
7740 "colSpan",
7741 "useMap",
7742 "frameBorder",
7743 "contentEditable"
7744 ], function() {
7745 jQuery.propFix[ this.toLowerCase() ] = this;
7746 } );
7747
7748
7749
7750
7751 // Strip and collapse whitespace according to HTML spec
7752 // https://html.spec.whatwg.org/multipage/infrastructure.html#strip-and-collapse-whitespace
7753 function stripAndCollapse( value ) {
7754 var tokens = value.match( rnothtmlwhite ) || [];
7755 return tokens.join( " " );
7756 }
7757
7758
7759 function getClass( elem ) {
7760 return elem.getAttribute && elem.getAttribute( "class" ) || "";
7761 }
7762
7763 jQuery.fn.extend( {
7764 addClass: function( value ) {
7765 var classes, elem, cur, curValue, clazz, j, finalValue,
7766 i = 0;
7767
7768 if ( jQuery.isFunction( value ) ) {
7769 return this.each( function( j ) {
7770 jQuery( this ).addClass( value.call( this, j, getClass( this ) ) );
7771 } );
7772 }
7773
7774 if ( typeof value === "string" && value ) {
7775 classes = value.match( rnothtmlwhite ) || [];
7776
7777 while ( ( elem = this[ i++ ] ) ) {
7778 curValue = getClass( elem );
7779 cur = elem.nodeType === 1 && ( " " + stripAndCollapse( curValue ) + " " );
7780
7781 if ( cur ) {
7782 j = 0;
7783 while ( ( clazz = classes[ j++ ] ) ) {
7784 if ( cur.indexOf( " " + clazz + " " ) < 0 ) {
7785 cur += clazz + " ";
7786 }
7787 }
7788
7789 // Only assign if different to avoid unneeded rendering.
7790 finalValue = stripAndCollapse( cur );
7791 if ( curValue !== finalValue ) {
7792 elem.setAttribute( "class", finalValue );
7793 }
7794 }
7795 }
7796 }
7797
7798 return this;
7799 },
7800
7801 removeClass: function( value ) {
7802 var classes, elem, cur, curValue, clazz, j, finalValue,
7803 i = 0;
7804
7805 if ( jQuery.isFunction( value ) ) {
7806 return this.each( function( j ) {
7807 jQuery( this ).removeClass( value.call( this, j, getClass( this ) ) );
7808 } );
7809 }
7810
7811 if ( !arguments.length ) {
7812 return this.attr( "class", "" );
7813 }
7814
7815 if ( typeof value === "string" && value ) {
7816 classes = value.match( rnothtmlwhite ) || [];
7817
7818 while ( ( elem = this[ i++ ] ) ) {
7819 curValue = getClass( elem );
7820
7821 // This expression is here for better compressibility (see addClass)
7822 cur = elem.nodeType === 1 && ( " " + stripAndCollapse( curValue ) + " " );
7823
7824 if ( cur ) {
7825 j = 0;
7826 while ( ( clazz = classes[ j++ ] ) ) {
7827
7828 // Remove *all* instances
7829 while ( cur.indexOf( " " + clazz + " " ) > -1 ) {
7830 cur = cur.replace( " " + clazz + " ", " " );
7831 }
7832 }
7833
7834 // Only assign if different to avoid unneeded rendering.
7835 finalValue = stripAndCollapse( cur );
7836 if ( curValue !== finalValue ) {
7837 elem.setAttribute( "class", finalValue );
7838 }
7839 }
7840 }
7841 }
7842
7843 return this;
7844 },
7845
7846 toggleClass: function( value, stateVal ) {
7847 var type = typeof value;
7848
7849 if ( typeof stateVal === "boolean" && type === "string" ) {
7850 return stateVal ? this.addClass( value ) : this.removeClass( value );
7851 }
7852
7853 if ( jQuery.isFunction( value ) ) {
7854 return this.each( function( i ) {
7855 jQuery( this ).toggleClass(
7856 value.call( this, i, getClass( this ), stateVal ),
7857 stateVal
7858 );
7859 } );
7860 }
7861
7862 return this.each( function() {
7863 var className, i, self, classNames;
7864
7865 if ( type === "string" ) {
7866
7867 // Toggle individual class names
7868 i = 0;
7869 self = jQuery( this );
7870 classNames = value.match( rnothtmlwhite ) || [];
7871
7872 while ( ( className = classNames[ i++ ] ) ) {
7873
7874 // Check each className given, space separated list
7875 if ( self.hasClass( className ) ) {
7876 self.removeClass( className );
7877 } else {
7878 self.addClass( className );
7879 }
7880 }
7881
7882 // Toggle whole class name
7883 } else if ( value === undefined || type === "boolean" ) {
7884 className = getClass( this );
7885 if ( className ) {
7886
7887 // Store className if set
7888 dataPriv.set( this, "__className__", className );
7889 }
7890
7891 // If the element has a class name or if we're passed `false`,
7892 // then remove the whole classname (if there was one, the above saved it).
7893 // Otherwise bring back whatever was previously saved (if anything),
7894 // falling back to the empty string if nothing was stored.
7895 if ( this.setAttribute ) {
7896 this.setAttribute( "class",
7897 className || value === false ?
7898 "" :
7899 dataPriv.get( this, "__className__" ) || ""
7900 );
7901 }
7902 }
7903 } );
7904 },
7905
7906 hasClass: function( selector ) {
7907 var className, elem,
7908 i = 0;
7909
7910 className = " " + selector + " ";
7911 while ( ( elem = this[ i++ ] ) ) {
7912 if ( elem.nodeType === 1 &&
7913 ( " " + stripAndCollapse( getClass( elem ) ) + " " ).indexOf( className ) > -1 ) {
7914 return true;
7915 }
7916 }
7917
7918 return false;
7919 }
7920 } );
7921
7922
7923
7924
7925 var rreturn = /\r/g;
7926
7927 jQuery.fn.extend( {
7928 val: function( value ) {
7929 var hooks, ret, isFunction,
7930 elem = this[ 0 ];
7931
7932 if ( !arguments.length ) {
7933 if ( elem ) {
7934 hooks = jQuery.valHooks[ elem.type ] ||
7935 jQuery.valHooks[ elem.nodeName.toLowerCase() ];
7936
7937 if ( hooks &&
7938 "get" in hooks &&
7939 ( ret = hooks.get( elem, "value" ) ) !== undefined
7940 ) {
7941 return ret;
7942 }
7943
7944 ret = elem.value;
7945
7946 // Handle most common string cases
7947 if ( typeof ret === "string" ) {
7948 return ret.replace( rreturn, "" );
7949 }
7950
7951 // Handle cases where value is null/undef or number
7952 return ret == null ? "" : ret;
7953 }
7954
7955 return;
7956 }
7957
7958 isFunction = jQuery.isFunction( value );
7959
7960 return this.each( function( i ) {
7961 var val;
7962
7963 if ( this.nodeType !== 1 ) {
7964 return;
7965 }
7966
7967 if ( isFunction ) {
7968 val = value.call( this, i, jQuery( this ).val() );
7969 } else {
7970 val = value;
7971 }
7972
7973 // Treat null/undefined as ""; convert numbers to string
7974 if ( val == null ) {
7975 val = "";
7976
7977 } else if ( typeof val === "number" ) {
7978 val += "";
7979
7980 } else if ( Array.isArray( val ) ) {
7981 val = jQuery.map( val, function( value ) {
7982 return value == null ? "" : value + "";
7983 } );
7984 }
7985
7986 hooks = jQuery.valHooks[ this.type ] || jQuery.valHooks[ this.nodeName.toLowerCase() ];
7987
7988 // If set returns undefined, fall back to normal setting
7989 if ( !hooks || !( "set" in hooks ) || hooks.set( this, val, "value" ) === undefined ) {
7990 this.value = val;
7991 }
7992 } );
7993 }
7994 } );
7995
7996 jQuery.extend( {
7997 valHooks: {
7998 option: {
7999 get: function( elem ) {
8000
8001 var val = jQuery.find.attr( elem, "value" );
8002 return val != null ?
8003 val :
8004
8005 // Support: IE <=10 - 11 only
8006 // option.text throws exceptions (#14686, #14858)
8007 // Strip and collapse whitespace
8008 // https://html.spec.whatwg.org/#strip-and-collapse-whitespace
8009 stripAndCollapse( jQuery.text( elem ) );
8010 }
8011 },
8012 select: {
8013 get: function( elem ) {
8014 var value, option, i,
8015 options = elem.options,
8016 index = elem.selectedIndex,
8017 one = elem.type === "select-one",
8018 values = one ? null : [],
8019 max = one ? index + 1 : options.length;
8020
8021 if ( index < 0 ) {
8022 i = max;
8023
8024 } else {
8025 i = one ? index : 0;
8026 }
8027
8028 // Loop through all the selected options
8029 for ( ; i < max; i++ ) {
8030 option = options[ i ];
8031
8032 // Support: IE <=9 only
8033 // IE8-9 doesn't update selected after form reset (#2551)
8034 if ( ( option.selected || i === index ) &&
8035
8036 // Don't return options that are disabled or in a disabled optgroup
8037 !option.disabled &&
8038 ( !option.parentNode.disabled ||
8039 !nodeName( option.parentNode, "optgroup" ) ) ) {
8040
8041 // Get the specific value for the option
8042 value = jQuery( option ).val();
8043
8044 // We don't need an array for one selects
8045 if ( one ) {
8046 return value;
8047 }
8048
8049 // Multi-Selects return an array
8050 values.push( value );
8051 }
8052 }
8053
8054 return values;
8055 },
8056
8057 set: function( elem, value ) {
8058 var optionSet, option,
8059 options = elem.options,
8060 values = jQuery.makeArray( value ),
8061 i = options.length;
8062
8063 while ( i-- ) {
8064 option = options[ i ];
8065
8066 /* eslint-disable no-cond-assign */
8067
8068 if ( option.selected =
8069 jQuery.inArray( jQuery.valHooks.option.get( option ), values ) > -1
8070 ) {
8071 optionSet = true;
8072 }
8073
8074 /* eslint-enable no-cond-assign */
8075 }
8076
8077 // Force browsers to behave consistently when non-matching value is set
8078 if ( !optionSet ) {
8079 elem.selectedIndex = -1;
8080 }
8081 return values;
8082 }
8083 }
8084 }
8085 } );
8086
8087 // Radios and checkboxes getter/setter
8088 jQuery.each( [ "radio", "checkbox" ], function() {
8089 jQuery.valHooks[ this ] = {
8090 set: function( elem, value ) {
8091 if ( Array.isArray( value ) ) {
8092 return ( elem.checked = jQuery.inArray( jQuery( elem ).val(), value ) > -1 );
8093 }
8094 }
8095 };
8096 if ( !support.checkOn ) {
8097 jQuery.valHooks[ this ].get = function( elem ) {
8098 return elem.getAttribute( "value" ) === null ? "on" : elem.value;
8099 };
8100 }
8101 } );
8102
8103
8104
8105
8106 // Return jQuery for attributes-only inclusion
8107
8108
8109 var rfocusMorph = /^(?:focusinfocus|focusoutblur)$/;
8110
8111 jQuery.extend( jQuery.event, {
8112
8113 trigger: function( event, data, elem, onlyHandlers ) {
8114
8115 var i, cur, tmp, bubbleType, ontype, handle, special,
8116 eventPath = [ elem || document ],
8117 type = hasOwn.call( event, "type" ) ? event.type : event,
8118 namespaces = hasOwn.call( event, "namespace" ) ? event.namespace.split( "." ) : [];
8119
8120 cur = tmp = elem = elem || document;
8121
8122 // Don't do events on text and comment nodes
8123 if ( elem.nodeType === 3 || elem.nodeType === 8 ) {
8124 return;
8125 }
8126
8127 // focus/blur morphs to focusin/out; ensure we're not firing them right now
8128 if ( rfocusMorph.test( type + jQuery.event.triggered ) ) {
8129 return;
8130 }
8131
8132 if ( type.indexOf( "." ) > -1 ) {
8133
8134 // Namespaced trigger; create a regexp to match event type in handle()
8135 namespaces = type.split( "." );
8136 type = namespaces.shift();
8137 namespaces.sort();
8138 }
8139 ontype = type.indexOf( ":" ) < 0 && "on" + type;
8140
8141 // Caller can pass in a jQuery.Event object, Object, or just an event type string
8142 event = event[ jQuery.expando ] ?
8143 event :
8144 new jQuery.Event( type, typeof event === "object" && event );
8145
8146 // Trigger bitmask: & 1 for native handlers; & 2 for jQuery (always true)
8147 event.isTrigger = onlyHandlers ? 2 : 3;
8148 event.namespace = namespaces.join( "." );
8149 event.rnamespace = event.namespace ?
8150 new RegExp( "(^|\\.)" + namespaces.join( "\\.(?:.*\\.|)" ) + "(\\.|$)" ) :
8151 null;
8152
8153 // Clean up the event in case it is being reused
8154 event.result = undefined;
8155 if ( !event.target ) {
8156 event.target = elem;
8157 }
8158
8159 // Clone any incoming data and prepend the event, creating the handler arg list
8160 data = data == null ?
8161 [ event ] :
8162 jQuery.makeArray( data, [ event ] );
8163
8164 // Allow special events to draw outside the lines
8165 special = jQuery.event.special[ type ] || {};
8166 if ( !onlyHandlers && special.trigger && special.trigger.apply( elem, data ) === false ) {
8167 return;
8168 }
8169
8170 // Determine event propagation path in advance, per W3C events spec (#9951)
8171 // Bubble up to document, then to window; watch for a global ownerDocument var (#9724)
8172 if ( !onlyHandlers && !special.noBubble && !jQuery.isWindow( elem ) ) {
8173
8174 bubbleType = special.delegateType || type;
8175 if ( !rfocusMorph.test( bubbleType + type ) ) {
8176 cur = cur.parentNode;
8177 }
8178 for ( ; cur; cur = cur.parentNode ) {
8179 eventPath.push( cur );
8180 tmp = cur;
8181 }
8182
8183 // Only add window if we got to document (e.g., not plain obj or detached DOM)
8184 if ( tmp === ( elem.ownerDocument || document ) ) {
8185 eventPath.push( tmp.defaultView || tmp.parentWindow || window );
8186 }
8187 }
8188
8189 // Fire handlers on the event path
8190 i = 0;
8191 while ( ( cur = eventPath[ i++ ] ) && !event.isPropagationStopped() ) {
8192
8193 event.type = i > 1 ?
8194 bubbleType :
8195 special.bindType || type;
8196
8197 // jQuery handler
8198 handle = ( dataPriv.get( cur, "events" ) || {} )[ event.type ] &&
8199 dataPriv.get( cur, "handle" );
8200 if ( handle ) {
8201 handle.apply( cur, data );
8202 }
8203
8204 // Native handler
8205 handle = ontype && cur[ ontype ];
8206 if ( handle && handle.apply && acceptData( cur ) ) {
8207 event.result = handle.apply( cur, data );
8208 if ( event.result === false ) {
8209 event.preventDefault();
8210 }
8211 }
8212 }
8213 event.type = type;
8214
8215 // If nobody prevented the default action, do it now
8216 if ( !onlyHandlers && !event.isDefaultPrevented() ) {
8217
8218 if ( ( !special._default ||
8219 special._default.apply( eventPath.pop(), data ) === false ) &&
8220 acceptData( elem ) ) {
8221
8222 // Call a native DOM method on the target with the same name as the event.
8223 // Don't do default actions on window, that's where global variables be (#6170)
8224 if ( ontype && jQuery.isFunction( elem[ type ] ) && !jQuery.isWindow( elem ) ) {
8225
8226 // Don't re-trigger an onFOO event when we call its FOO() method
8227 tmp = elem[ ontype ];
8228
8229 if ( tmp ) {
8230 elem[ ontype ] = null;
8231 }
8232
8233 // Prevent re-triggering of the same event, since we already bubbled it above
8234 jQuery.event.triggered = type;
8235 elem[ type ]();
8236 jQuery.event.triggered = undefined;
8237
8238 if ( tmp ) {
8239 elem[ ontype ] = tmp;
8240 }
8241 }
8242 }
8243 }
8244
8245 return event.result;
8246 },
8247
8248 // Piggyback on a donor event to simulate a different one
8249 // Used only for `focus(in | out)` events
8250 simulate: function( type, elem, event ) {
8251 var e = jQuery.extend(
8252 new jQuery.Event(),
8253 event,
8254 {
8255 type: type,
8256 isSimulated: true
8257 }
8258 );
8259
8260 jQuery.event.trigger( e, null, elem );
8261 }
8262
8263 } );
8264
8265 jQuery.fn.extend( {
8266
8267 trigger: function( type, data ) {
8268 return this.each( function() {
8269 jQuery.event.trigger( type, data, this );
8270 } );
8271 },
8272 triggerHandler: function( type, data ) {
8273 var elem = this[ 0 ];
8274 if ( elem ) {
8275 return jQuery.event.trigger( type, data, elem, true );
8276 }
8277 }
8278 } );
8279
8280
8281 jQuery.each( ( "blur focus focusin focusout resize scroll click dblclick " +
8282 "mousedown mouseup mousemove mouseover mouseout mouseenter mouseleave " +
8283 "change select submit keydown keypress keyup contextmenu" ).split( " " ),
8284 function( i, name ) {
8285
8286 // Handle event binding
8287 jQuery.fn[ name ] = function( data, fn ) {
8288 return arguments.length > 0 ?
8289 this.on( name, null, data, fn ) :
8290 this.trigger( name );
8291 };
8292 } );
8293
8294 jQuery.fn.extend( {
8295 hover: function( fnOver, fnOut ) {
8296 return this.mouseenter( fnOver ).mouseleave( fnOut || fnOver );
8297 }
8298 } );
8299
8300
8301
8302
8303 support.focusin = "onfocusin" in window;
8304
8305
8306 // Support: Firefox <=44
8307 // Firefox doesn't have focus(in | out) events
8308 // Related ticket - https://bugzilla.mozilla.org/show_bug.cgi?id=687787
8309 //
8310 // Support: Chrome <=48 - 49, Safari <=9.0 - 9.1
8311 // focus(in | out) events fire after focus & blur events,
8312 // which is spec violation - http://www.w3.org/TR/DOM-Level-3-Events/#events-focusevent-event-order
8313 // Related ticket - https://bugs.chromium.org/p/chromium/issues/detail?id=449857
8314 if ( !support.focusin ) {
8315 jQuery.each( { focus: "focusin", blur: "focusout" }, function( orig, fix ) {
8316
8317 // Attach a single capturing handler on the document while someone wants focusin/focusout
8318 var handler = function( event ) {
8319 jQuery.event.simulate( fix, event.target, jQuery.event.fix( event ) );
8320 };
8321
8322 jQuery.event.special[ fix ] = {
8323 setup: function() {
8324 var doc = this.ownerDocument || this,
8325 attaches = dataPriv.access( doc, fix );
8326
8327 if ( !attaches ) {
8328 doc.addEventListener( orig, handler, true );
8329 }
8330 dataPriv.access( doc, fix, ( attaches || 0 ) + 1 );
8331 },
8332 teardown: function() {
8333 var doc = this.ownerDocument || this,
8334 attaches = dataPriv.access( doc, fix ) - 1;
8335
8336 if ( !attaches ) {
8337 doc.removeEventListener( orig, handler, true );
8338 dataPriv.remove( doc, fix );
8339
8340 } else {
8341 dataPriv.access( doc, fix, attaches );
8342 }
8343 }
8344 };
8345 } );
8346 }
8347 var location = window.location;
8348
8349 var nonce = jQuery.now();
8350
8351 var rquery = ( /\?/ );
8352
8353
8354
8355 // Cross-browser xml parsing
8356 jQuery.parseXML = function( data ) {
8357 var xml;
8358 if ( !data || typeof data !== "string" ) {
8359 return null;
8360 }
8361
8362 // Support: IE 9 - 11 only
8363 // IE throws on parseFromString with invalid input.
8364 try {
8365 xml = ( new window.DOMParser() ).parseFromString( data, "text/xml" );
8366 } catch ( e ) {
8367 xml = undefined;
8368 }
8369
8370 if ( !xml || xml.getElementsByTagName( "parsererror" ).length ) {
8371 jQuery.error( "Invalid XML: " + data );
8372 }
8373 return xml;
8374 };
8375
8376
8377 var
8378 rbracket = /\[\]$/,
8379 rCRLF = /\r?\n/g,
8380 rsubmitterTypes = /^(?:submit|button|image|reset|file)$/i,
8381 rsubmittable = /^(?:input|select|textarea|keygen)/i;
8382
8383 function buildParams( prefix, obj, traditional, add ) {
8384 var name;
8385
8386 if ( Array.isArray( obj ) ) {
8387
8388 // Serialize array item.
8389 jQuery.each( obj, function( i, v ) {
8390 if ( traditional || rbracket.test( prefix ) ) {
8391
8392 // Treat each array item as a scalar.
8393 add( prefix, v );
8394
8395 } else {
8396
8397 // Item is non-scalar (array or object), encode its numeric index.
8398 buildParams(
8399 prefix + "[" + ( typeof v === "object" && v != null ? i : "" ) + "]",
8400 v,
8401 traditional,
8402 add
8403 );
8404 }
8405 } );
8406
8407 } else if ( !traditional && jQuery.type( obj ) === "object" ) {
8408
8409 // Serialize object item.
8410 for ( name in obj ) {
8411 buildParams( prefix + "[" + name + "]", obj[ name ], traditional, add );
8412 }
8413
8414 } else {
8415
8416 // Serialize scalar item.
8417 add( prefix, obj );
8418 }
8419 }
8420
8421 // Serialize an array of form elements or a set of
8422 // key/values into a query string
8423 jQuery.param = function( a, traditional ) {
8424 var prefix,
8425 s = [],
8426 add = function( key, valueOrFunction ) {
8427
8428 // If value is a function, invoke it and use its return value
8429 var value = jQuery.isFunction( valueOrFunction ) ?
8430 valueOrFunction() :
8431 valueOrFunction;
8432
8433 s[ s.length ] = encodeURIComponent( key ) + "=" +
8434 encodeURIComponent( value == null ? "" : value );
8435 };
8436
8437 // If an array was passed in, assume that it is an array of form elements.
8438 if ( Array.isArray( a ) || ( a.jquery && !jQuery.isPlainObject( a ) ) ) {
8439
8440 // Serialize the form elements
8441 jQuery.each( a, function() {
8442 add( this.name, this.value );
8443 } );
8444
8445 } else {
8446
8447 // If traditional, encode the "old" way (the way 1.3.2 or older
8448 // did it), otherwise encode params recursively.
8449 for ( prefix in a ) {
8450 buildParams( prefix, a[ prefix ], traditional, add );
8451 }
8452 }
8453
8454 // Return the resulting serialization
8455 return s.join( "&" );
8456 };
8457
8458 jQuery.fn.extend( {
8459 serialize: function() {
8460 return jQuery.param( this.serializeArray() );
8461 },
8462 serializeArray: function() {
8463 return this.map( function() {
8464
8465 // Can add propHook for "elements" to filter or add form elements
8466 var elements = jQuery.prop( this, "elements" );
8467 return elements ? jQuery.makeArray( elements ) : this;
8468 } )
8469 .filter( function() {
8470 var type = this.type;
8471
8472 // Use .is( ":disabled" ) so that fieldset[disabled] works
8473 return this.name && !jQuery( this ).is( ":disabled" ) &&
8474 rsubmittable.test( this.nodeName ) && !rsubmitterTypes.test( type ) &&
8475 ( this.checked || !rcheckableType.test( type ) );
8476 } )
8477 .map( function( i, elem ) {
8478 var val = jQuery( this ).val();
8479
8480 if ( val == null ) {
8481 return null;
8482 }
8483
8484 if ( Array.isArray( val ) ) {
8485 return jQuery.map( val, function( val ) {
8486 return { name: elem.name, value: val.replace( rCRLF, "\r\n" ) };
8487 } );
8488 }
8489
8490 return { name: elem.name, value: val.replace( rCRLF, "\r\n" ) };
8491 } ).get();
8492 }
8493 } );
8494
8495
8496 var
8497 r20 = /%20/g,
8498 rhash = /#.*$/,
8499 rantiCache = /([?&])_=[^&]*/,
8500 rheaders = /^(.*?):[ \t]*([^\r\n]*)$/mg,
8501
8502 // #7653, #8125, #8152: local protocol detection
8503 rlocalProtocol = /^(?:about|app|app-storage|.+-extension|file|res|widget):$/,
8504 rnoContent = /^(?:GET|HEAD)$/,
8505 rprotocol = /^\/\//,
8506
8507 /* Prefilters
8508 * 1) They are useful to introduce custom dataTypes (see ajax/jsonp.js for an example)
8509 * 2) These are called:
8510 * - BEFORE asking for a transport
8511 * - AFTER param serialization (s.data is a string if s.processData is true)
8512 * 3) key is the dataType
8513 * 4) the catchall symbol "*" can be used
8514 * 5) execution will start with transport dataType and THEN continue down to "*" if needed
8515 */
8516 prefilters = {},
8517
8518 /* Transports bindings
8519 * 1) key is the dataType
8520 * 2) the catchall symbol "*" can be used
8521 * 3) selection will start with transport dataType and THEN go to "*" if needed
8522 */
8523 transports = {},
8524
8525 // Avoid comment-prolog char sequence (#10098); must appease lint and evade compression
8526 allTypes = "*/".concat( "*" ),
8527
8528 // Anchor tag for parsing the document origin
8529 originAnchor = document.createElement( "a" );
8530 originAnchor.href = location.href;
8531
8532 // Base "constructor" for jQuery.ajaxPrefilter and jQuery.ajaxTransport
8533 function addToPrefiltersOrTransports( structure ) {
8534
8535 // dataTypeExpression is optional and defaults to "*"
8536 return function( dataTypeExpression, func ) {
8537
8538 if ( typeof dataTypeExpression !== "string" ) {
8539 func = dataTypeExpression;
8540 dataTypeExpression = "*";
8541 }
8542
8543 var dataType,
8544 i = 0,
8545 dataTypes = dataTypeExpression.toLowerCase().match( rnothtmlwhite ) || [];
8546
8547 if ( jQuery.isFunction( func ) ) {
8548
8549 // For each dataType in the dataTypeExpression
8550 while ( ( dataType = dataTypes[ i++ ] ) ) {
8551
8552 // Prepend if requested
8553 if ( dataType[ 0 ] === "+" ) {
8554 dataType = dataType.slice( 1 ) || "*";
8555 ( structure[ dataType ] = structure[ dataType ] || [] ).unshift( func );
8556
8557 // Otherwise append
8558 } else {
8559 ( structure[ dataType ] = structure[ dataType ] || [] ).push( func );
8560 }
8561 }
8562 }
8563 };
8564 }
8565
8566 // Base inspection function for prefilters and transports
8567 function inspectPrefiltersOrTransports( structure, options, originalOptions, jqXHR ) {
8568
8569 var inspected = {},
8570 seekingTransport = ( structure === transports );
8571
8572 function inspect( dataType ) {
8573 var selected;
8574 inspected[ dataType ] = true;
8575 jQuery.each( structure[ dataType ] || [], function( _, prefilterOrFactory ) {
8576 var dataTypeOrTransport = prefilterOrFactory( options, originalOptions, jqXHR );
8577 if ( typeof dataTypeOrTransport === "string" &&
8578 !seekingTransport && !inspected[ dataTypeOrTransport ] ) {
8579
8580 options.dataTypes.unshift( dataTypeOrTransport );
8581 inspect( dataTypeOrTransport );
8582 return false;
8583 } else if ( seekingTransport ) {
8584 return !( selected = dataTypeOrTransport );
8585 }
8586 } );
8587 return selected;
8588 }
8589
8590 return inspect( options.dataTypes[ 0 ] ) || !inspected[ "*" ] && inspect( "*" );
8591 }
8592
8593 // A special extend for ajax options
8594 // that takes "flat" options (not to be deep extended)
8595 // Fixes #9887
8596 function ajaxExtend( target, src ) {
8597 var key, deep,
8598 flatOptions = jQuery.ajaxSettings.flatOptions || {};
8599
8600 for ( key in src ) {
8601 if ( src[ key ] !== undefined ) {
8602 ( flatOptions[ key ] ? target : ( deep || ( deep = {} ) ) )[ key ] = src[ key ];
8603 }
8604 }
8605 if ( deep ) {
8606 jQuery.extend( true, target, deep );
8607 }
8608
8609 return target;
8610 }
8611
8612 /* Handles responses to an ajax request:
8613 * - finds the right dataType (mediates between content-type and expected dataType)
8614 * - returns the corresponding response
8615 */
8616 function ajaxHandleResponses( s, jqXHR, responses ) {
8617
8618 var ct, type, finalDataType, firstDataType,
8619 contents = s.contents,
8620 dataTypes = s.dataTypes;
8621
8622 // Remove auto dataType and get content-type in the process
8623 while ( dataTypes[ 0 ] === "*" ) {
8624 dataTypes.shift();
8625 if ( ct === undefined ) {
8626 ct = s.mimeType || jqXHR.getResponseHeader( "Content-Type" );
8627 }
8628 }
8629
8630 // Check if we're dealing with a known content-type
8631 if ( ct ) {
8632 for ( type in contents ) {
8633 if ( contents[ type ] && contents[ type ].test( ct ) ) {
8634 dataTypes.unshift( type );
8635 break;
8636 }
8637 }
8638 }
8639
8640 // Check to see if we have a response for the expected dataType
8641 if ( dataTypes[ 0 ] in responses ) {
8642 finalDataType = dataTypes[ 0 ];
8643 } else {
8644
8645 // Try convertible dataTypes
8646 for ( type in responses ) {
8647 if ( !dataTypes[ 0 ] || s.converters[ type + " " + dataTypes[ 0 ] ] ) {
8648 finalDataType = type;
8649 break;
8650 }
8651 if ( !firstDataType ) {
8652 firstDataType = type;
8653 }
8654 }
8655
8656 // Or just use first one
8657 finalDataType = finalDataType || firstDataType;
8658 }
8659
8660 // If we found a dataType
8661 // We add the dataType to the list if needed
8662 // and return the corresponding response
8663 if ( finalDataType ) {
8664 if ( finalDataType !== dataTypes[ 0 ] ) {
8665 dataTypes.unshift( finalDataType );
8666 }
8667 return responses[ finalDataType ];
8668 }
8669 }
8670
8671 /* Chain conversions given the request and the original response
8672 * Also sets the responseXXX fields on the jqXHR instance
8673 */
8674 function ajaxConvert( s, response, jqXHR, isSuccess ) {
8675 var conv2, current, conv, tmp, prev,
8676 converters = {},
8677
8678 // Work with a copy of dataTypes in case we need to modify it for conversion
8679 dataTypes = s.dataTypes.slice();
8680
8681 // Create converters map with lowercased keys
8682 if ( dataTypes[ 1 ] ) {
8683 for ( conv in s.converters ) {
8684 converters[ conv.toLowerCase() ] = s.converters[ conv ];
8685 }
8686 }
8687
8688 current = dataTypes.shift();
8689
8690 // Convert to each sequential dataType
8691 while ( current ) {
8692
8693 if ( s.responseFields[ current ] ) {
8694 jqXHR[ s.responseFields[ current ] ] = response;
8695 }
8696
8697 // Apply the dataFilter if provided
8698 if ( !prev && isSuccess && s.dataFilter ) {
8699 response = s.dataFilter( response, s.dataType );
8700 }
8701
8702 prev = current;
8703 current = dataTypes.shift();
8704
8705 if ( current ) {
8706
8707 // There's only work to do if current dataType is non-auto
8708 if ( current === "*" ) {
8709
8710 current = prev;
8711
8712 // Convert response if prev dataType is non-auto and differs from current
8713 } else if ( prev !== "*" && prev !== current ) {
8714
8715 // Seek a direct converter
8716 conv = converters[ prev + " " + current ] || converters[ "* " + current ];
8717
8718 // If none found, seek a pair
8719 if ( !conv ) {
8720 for ( conv2 in converters ) {
8721
8722 // If conv2 outputs current
8723 tmp = conv2.split( " " );
8724 if ( tmp[ 1 ] === current ) {
8725
8726 // If prev can be converted to accepted input
8727 conv = converters[ prev + " " + tmp[ 0 ] ] ||
8728 converters[ "* " + tmp[ 0 ] ];
8729 if ( conv ) {
8730
8731 // Condense equivalence converters
8732 if ( conv === true ) {
8733 conv = converters[ conv2 ];
8734
8735 // Otherwise, insert the intermediate dataType
8736 } else if ( converters[ conv2 ] !== true ) {
8737 current = tmp[ 0 ];
8738 dataTypes.unshift( tmp[ 1 ] );
8739 }
8740 break;
8741 }
8742 }
8743 }
8744 }
8745
8746 // Apply converter (if not an equivalence)
8747 if ( conv !== true ) {
8748
8749 // Unless errors are allowed to bubble, catch and return them
8750 if ( conv && s.throws ) {
8751 response = conv( response );
8752 } else {
8753 try {
8754 response = conv( response );
8755 } catch ( e ) {
8756 return {
8757 state: "parsererror",
8758 error: conv ? e : "No conversion from " + prev + " to " + current
8759 };
8760 }
8761 }
8762 }
8763 }
8764 }
8765 }
8766
8767 return { state: "success", data: response };
8768 }
8769
8770 jQuery.extend( {
8771
8772 // Counter for holding the number of active queries
8773 active: 0,
8774
8775 // Last-Modified header cache for next request
8776 lastModified: {},
8777 etag: {},
8778
8779 ajaxSettings: {
8780 url: location.href,
8781 type: "GET",
8782 isLocal: rlocalProtocol.test( location.protocol ),
8783 global: true,
8784 processData: true,
8785 async: true,
8786 contentType: "application/x-www-form-urlencoded; charset=UTF-8",
8787
8788 /*
8789 timeout: 0,
8790 data: null,
8791 dataType: null,
8792 username: null,
8793 password: null,
8794 cache: null,
8795 throws: false,
8796 traditional: false,
8797 headers: {},
8798 */
8799
8800 accepts: {
8801 "*": allTypes,
8802 text: "text/plain",
8803 html: "text/html",
8804 xml: "application/xml, text/xml",
8805 json: "application/json, text/javascript"
8806 },
8807
8808 contents: {
8809 xml: /\bxml\b/,
8810 html: /\bhtml/,
8811 json: /\bjson\b/
8812 },
8813
8814 responseFields: {
8815 xml: "responseXML",
8816 text: "responseText",
8817 json: "responseJSON"
8818 },
8819
8820 // Data converters
8821 // Keys separate source (or catchall "*") and destination types with a single space
8822 converters: {
8823
8824 // Convert anything to text
8825 "* text": String,
8826
8827 // Text to html (true = no transformation)
8828 "text html": true,
8829
8830 // Evaluate text as a json expression
8831 "text json": JSON.parse,
8832
8833 // Parse text as xml
8834 "text xml": jQuery.parseXML
8835 },
8836
8837 // For options that shouldn't be deep extended:
8838 // you can add your own custom options here if
8839 // and when you create one that shouldn't be
8840 // deep extended (see ajaxExtend)
8841 flatOptions: {
8842 url: true,
8843 context: true
8844 }
8845 },
8846
8847 // Creates a full fledged settings object into target
8848 // with both ajaxSettings and settings fields.
8849 // If target is omitted, writes into ajaxSettings.
8850 ajaxSetup: function( target, settings ) {
8851 return settings ?
8852
8853 // Building a settings object
8854 ajaxExtend( ajaxExtend( target, jQuery.ajaxSettings ), settings ) :
8855
8856 // Extending ajaxSettings
8857 ajaxExtend( jQuery.ajaxSettings, target );
8858 },
8859
8860 ajaxPrefilter: addToPrefiltersOrTransports( prefilters ),
8861 ajaxTransport: addToPrefiltersOrTransports( transports ),
8862
8863 // Main method
8864 ajax: function( url, options ) {
8865
8866 // If url is an object, simulate pre-1.5 signature
8867 if ( typeof url === "object" ) {
8868 options = url;
8869 url = undefined;
8870 }
8871
8872 // Force options to be an object
8873 options = options || {};
8874
8875 var transport,
8876
8877 // URL without anti-cache param
8878 cacheURL,
8879
8880 // Response headers
8881 responseHeadersString,
8882 responseHeaders,
8883
8884 // timeout handle
8885 timeoutTimer,
8886
8887 // Url cleanup var
8888 urlAnchor,
8889
8890 // Request state (becomes false upon send and true upon completion)
8891 completed,
8892
8893 // To know if global events are to be dispatched
8894 fireGlobals,
8895
8896 // Loop variable
8897 i,
8898
8899 // uncached part of the url
8900 uncached,
8901
8902 // Create the final options object
8903 s = jQuery.ajaxSetup( {}, options ),
8904
8905 // Callbacks context
8906 callbackContext = s.context || s,
8907
8908 // Context for global events is callbackContext if it is a DOM node or jQuery collection
8909 globalEventContext = s.context &&
8910 ( callbackContext.nodeType || callbackContext.jquery ) ?
8911 jQuery( callbackContext ) :
8912 jQuery.event,
8913
8914 // Deferreds
8915 deferred = jQuery.Deferred(),
8916 completeDeferred = jQuery.Callbacks( "once memory" ),
8917
8918 // Status-dependent callbacks
8919 statusCode = s.statusCode || {},
8920
8921 // Headers (they are sent all at once)
8922 requestHeaders = {},
8923 requestHeadersNames = {},
8924
8925 // Default abort message
8926 strAbort = "canceled",
8927
8928 // Fake xhr
8929 jqXHR = {
8930 readyState: 0,
8931
8932 // Builds headers hashtable if needed
8933 getResponseHeader: function( key ) {
8934 var match;
8935 if ( completed ) {
8936 if ( !responseHeaders ) {
8937 responseHeaders = {};
8938 while ( ( match = rheaders.exec( responseHeadersString ) ) ) {
8939 responseHeaders[ match[ 1 ].toLowerCase() ] = match[ 2 ];
8940 }
8941 }
8942 match = responseHeaders[ key.toLowerCase() ];
8943 }
8944 return match == null ? null : match;
8945 },
8946
8947 // Raw string
8948 getAllResponseHeaders: function() {
8949 return completed ? responseHeadersString : null;
8950 },
8951
8952 // Caches the header
8953 setRequestHeader: function( name, value ) {
8954 if ( completed == null ) {
8955 name = requestHeadersNames[ name.toLowerCase() ] =
8956 requestHeadersNames[ name.toLowerCase() ] || name;
8957 requestHeaders[ name ] = value;
8958 }
8959 return this;
8960 },
8961
8962 // Overrides response content-type header
8963 overrideMimeType: function( type ) {
8964 if ( completed == null ) {
8965 s.mimeType = type;
8966 }
8967 return this;
8968 },
8969
8970 // Status-dependent callbacks
8971 statusCode: function( map ) {
8972 var code;
8973 if ( map ) {
8974 if ( completed ) {
8975
8976 // Execute the appropriate callbacks
8977 jqXHR.always( map[ jqXHR.status ] );
8978 } else {
8979
8980 // Lazy-add the new callbacks in a way that preserves old ones
8981 for ( code in map ) {
8982 statusCode[ code ] = [ statusCode[ code ], map[ code ] ];
8983 }
8984 }
8985 }
8986 return this;
8987 },
8988
8989 // Cancel the request
8990 abort: function( statusText ) {
8991 var finalText = statusText || strAbort;
8992 if ( transport ) {
8993 transport.abort( finalText );
8994 }
8995 done( 0, finalText );
8996 return this;
8997 }
8998 };
8999
9000 // Attach deferreds
9001 deferred.promise( jqXHR );
9002
9003 // Add protocol if not provided (prefilters might expect it)
9004 // Handle falsy url in the settings object (#10093: consistency with old signature)
9005 // We also use the url parameter if available
9006 s.url = ( ( url || s.url || location.href ) + "" )
9007 .replace( rprotocol, location.protocol + "//" );
9008
9009 // Alias method option to type as per ticket #12004
9010 s.type = options.method || options.type || s.method || s.type;
9011
9012 // Extract dataTypes list
9013 s.dataTypes = ( s.dataType || "*" ).toLowerCase().match( rnothtmlwhite ) || [ "" ];
9014
9015 // A cross-domain request is in order when the origin doesn't match the current origin.
9016 if ( s.crossDomain == null ) {
9017 urlAnchor = document.createElement( "a" );
9018
9019 // Support: IE <=8 - 11, Edge 12 - 13
9020 // IE throws exception on accessing the href property if url is malformed,
9021 // e.g. http://example.com:80x/
9022 try {
9023 urlAnchor.href = s.url;
9024
9025 // Support: IE <=8 - 11 only
9026 // Anchor's host property isn't correctly set when s.url is relative
9027 urlAnchor.href = urlAnchor.href;
9028 s.crossDomain = originAnchor.protocol + "//" + originAnchor.host !==
9029 urlAnchor.protocol + "//" + urlAnchor.host;
9030 } catch ( e ) {
9031
9032 // If there is an error parsing the URL, assume it is crossDomain,
9033 // it can be rejected by the transport if it is invalid
9034 s.crossDomain = true;
9035 }
9036 }
9037
9038 // Convert data if not already a string
9039 if ( s.data && s.processData && typeof s.data !== "string" ) {
9040 s.data = jQuery.param( s.data, s.traditional );
9041 }
9042
9043 // Apply prefilters
9044 inspectPrefiltersOrTransports( prefilters, s, options, jqXHR );
9045
9046 // If request was aborted inside a prefilter, stop there
9047 if ( completed ) {
9048 return jqXHR;
9049 }
9050
9051 // We can fire global events as of now if asked to
9052 // Don't fire events if jQuery.event is undefined in an AMD-usage scenario (#15118)
9053 fireGlobals = jQuery.event && s.global;
9054
9055 // Watch for a new set of requests
9056 if ( fireGlobals && jQuery.active++ === 0 ) {
9057 jQuery.event.trigger( "ajaxStart" );
9058 }
9059
9060 // Uppercase the type
9061 s.type = s.type.toUpperCase();
9062
9063 // Determine if request has content
9064 s.hasContent = !rnoContent.test( s.type );
9065
9066 // Save the URL in case we're toying with the If-Modified-Since
9067 // and/or If-None-Match header later on
9068 // Remove hash to simplify url manipulation
9069 cacheURL = s.url.replace( rhash, "" );
9070
9071 // More options handling for requests with no content
9072 if ( !s.hasContent ) {
9073
9074 // Remember the hash so we can put it back
9075 uncached = s.url.slice( cacheURL.length );
9076
9077 // If data is available, append data to url
9078 if ( s.data ) {
9079 cacheURL += ( rquery.test( cacheURL ) ? "&" : "?" ) + s.data;
9080
9081 // #9682: remove data so that it's not used in an eventual retry
9082 delete s.data;
9083 }
9084
9085 // Add or update anti-cache param if needed
9086 if ( s.cache === false ) {
9087 cacheURL = cacheURL.replace( rantiCache, "$1" );
9088 uncached = ( rquery.test( cacheURL ) ? "&" : "?" ) + "_=" + ( nonce++ ) + uncached;
9089 }
9090
9091 // Put hash and anti-cache on the URL that will be requested (gh-1732)
9092 s.url = cacheURL + uncached;
9093
9094 // Change '%20' to '+' if this is encoded form body content (gh-2658)
9095 } else if ( s.data && s.processData &&
9096 ( s.contentType || "" ).indexOf( "application/x-www-form-urlencoded" ) === 0 ) {
9097 s.data = s.data.replace( r20, "+" );
9098 }
9099
9100 // Set the If-Modified-Since and/or If-None-Match header, if in ifModified mode.
9101 if ( s.ifModified ) {
9102 if ( jQuery.lastModified[ cacheURL ] ) {
9103 jqXHR.setRequestHeader( "If-Modified-Since", jQuery.lastModified[ cacheURL ] );
9104 }
9105 if ( jQuery.etag[ cacheURL ] ) {
9106 jqXHR.setRequestHeader( "If-None-Match", jQuery.etag[ cacheURL ] );
9107 }
9108 }
9109
9110 // Set the correct header, if data is being sent
9111 if ( s.data && s.hasContent && s.contentType !== false || options.contentType ) {
9112 jqXHR.setRequestHeader( "Content-Type", s.contentType );
9113 }
9114
9115 // Set the Accepts header for the server, depending on the dataType
9116 jqXHR.setRequestHeader(
9117 "Accept",
9118 s.dataTypes[ 0 ] && s.accepts[ s.dataTypes[ 0 ] ] ?
9119 s.accepts[ s.dataTypes[ 0 ] ] +
9120 ( s.dataTypes[ 0 ] !== "*" ? ", " + allTypes + "; q=0.01" : "" ) :
9121 s.accepts[ "*" ]
9122 );
9123
9124 // Check for headers option
9125 for ( i in s.headers ) {
9126 jqXHR.setRequestHeader( i, s.headers[ i ] );
9127 }
9128
9129 // Allow custom headers/mimetypes and early abort
9130 if ( s.beforeSend &&
9131 ( s.beforeSend.call( callbackContext, jqXHR, s ) === false || completed ) ) {
9132
9133 // Abort if not done already and return
9134 return jqXHR.abort();
9135 }
9136
9137 // Aborting is no longer a cancellation
9138 strAbort = "abort";
9139
9140 // Install callbacks on deferreds
9141 completeDeferred.add( s.complete );
9142 jqXHR.done( s.success );
9143 jqXHR.fail( s.error );
9144
9145 // Get transport
9146 transport = inspectPrefiltersOrTransports( transports, s, options, jqXHR );
9147
9148 // If no transport, we auto-abort
9149 if ( !transport ) {
9150 done( -1, "No Transport" );
9151 } else {
9152 jqXHR.readyState = 1;
9153
9154 // Send global event
9155 if ( fireGlobals ) {
9156 globalEventContext.trigger( "ajaxSend", [ jqXHR, s ] );
9157 }
9158
9159 // If request was aborted inside ajaxSend, stop there
9160 if ( completed ) {
9161 return jqXHR;
9162 }
9163
9164 // Timeout
9165 if ( s.async && s.timeout > 0 ) {
9166 timeoutTimer = window.setTimeout( function() {
9167 jqXHR.abort( "timeout" );
9168 }, s.timeout );
9169 }
9170
9171 try {
9172 completed = false;
9173 transport.send( requestHeaders, done );
9174 } catch ( e ) {
9175
9176 // Rethrow post-completion exceptions
9177 if ( completed ) {
9178 throw e;
9179 }
9180
9181 // Propagate others as results
9182 done( -1, e );
9183 }
9184 }
9185
9186 // Callback for when everything is done
9187 function done( status, nativeStatusText, responses, headers ) {
9188 var isSuccess, success, error, response, modified,
9189 statusText = nativeStatusText;
9190
9191 // Ignore repeat invocations
9192 if ( completed ) {
9193 return;
9194 }
9195
9196 completed = true;
9197
9198 // Clear timeout if it exists
9199 if ( timeoutTimer ) {
9200 window.clearTimeout( timeoutTimer );
9201 }
9202
9203 // Dereference transport for early garbage collection
9204 // (no matter how long the jqXHR object will be used)
9205 transport = undefined;
9206
9207 // Cache response headers
9208 responseHeadersString = headers || "";
9209
9210 // Set readyState
9211 jqXHR.readyState = status > 0 ? 4 : 0;
9212
9213 // Determine if successful
9214 isSuccess = status >= 200 && status < 300 || status === 304;
9215
9216 // Get response data
9217 if ( responses ) {
9218 response = ajaxHandleResponses( s, jqXHR, responses );
9219 }
9220
9221 // Convert no matter what (that way responseXXX fields are always set)
9222 response = ajaxConvert( s, response, jqXHR, isSuccess );
9223
9224 // If successful, handle type chaining
9225 if ( isSuccess ) {
9226
9227 // Set the If-Modified-Since and/or If-None-Match header, if in ifModified mode.
9228 if ( s.ifModified ) {
9229 modified = jqXHR.getResponseHeader( "Last-Modified" );
9230 if ( modified ) {
9231 jQuery.lastModified[ cacheURL ] = modified;
9232 }
9233 modified = jqXHR.getResponseHeader( "etag" );
9234 if ( modified ) {
9235 jQuery.etag[ cacheURL ] = modified;
9236 }
9237 }
9238
9239 // if no content
9240 if ( status === 204 || s.type === "HEAD" ) {
9241 statusText = "nocontent";
9242
9243 // if not modified
9244 } else if ( status === 304 ) {
9245 statusText = "notmodified";
9246
9247 // If we have data, let's convert it
9248 } else {
9249 statusText = response.state;
9250 success = response.data;
9251 error = response.error;
9252 isSuccess = !error;
9253 }
9254 } else {
9255
9256 // Extract error from statusText and normalize for non-aborts
9257 error = statusText;
9258 if ( status || !statusText ) {
9259 statusText = "error";
9260 if ( status < 0 ) {
9261 status = 0;
9262 }
9263 }
9264 }
9265
9266 // Set data for the fake xhr object
9267 jqXHR.status = status;
9268 jqXHR.statusText = ( nativeStatusText || statusText ) + "";
9269
9270 // Success/Error
9271 if ( isSuccess ) {
9272 deferred.resolveWith( callbackContext, [ success, statusText, jqXHR ] );
9273 } else {
9274 deferred.rejectWith( callbackContext, [ jqXHR, statusText, error ] );
9275 }
9276
9277 // Status-dependent callbacks
9278 jqXHR.statusCode( statusCode );
9279 statusCode = undefined;
9280
9281 if ( fireGlobals ) {
9282 globalEventContext.trigger( isSuccess ? "ajaxSuccess" : "ajaxError",
9283 [ jqXHR, s, isSuccess ? success : error ] );
9284 }
9285
9286 // Complete
9287 completeDeferred.fireWith( callbackContext, [ jqXHR, statusText ] );
9288
9289 if ( fireGlobals ) {
9290 globalEventContext.trigger( "ajaxComplete", [ jqXHR, s ] );
9291
9292 // Handle the global AJAX counter
9293 if ( !( --jQuery.active ) ) {
9294 jQuery.event.trigger( "ajaxStop" );
9295 }
9296 }
9297 }
9298
9299 return jqXHR;
9300 },
9301
9302 getJSON: function( url, data, callback ) {
9303 return jQuery.get( url, data, callback, "json" );
9304 },
9305
9306 getScript: function( url, callback ) {
9307 return jQuery.get( url, undefined, callback, "script" );
9308 }
9309 } );
9310
9311 jQuery.each( [ "get", "post" ], function( i, method ) {
9312 jQuery[ method ] = function( url, data, callback, type ) {
9313
9314 // Shift arguments if data argument was omitted
9315 if ( jQuery.isFunction( data ) ) {
9316 type = type || callback;
9317 callback = data;
9318 data = undefined;
9319 }
9320
9321 // The url can be an options object (which then must have .url)
9322 return jQuery.ajax( jQuery.extend( {
9323 url: url,
9324 type: method,
9325 dataType: type,
9326 data: data,
9327 success: callback
9328 }, jQuery.isPlainObject( url ) && url ) );
9329 };
9330 } );
9331
9332
9333 jQuery._evalUrl = function( url ) {
9334 return jQuery.ajax( {
9335 url: url,
9336
9337 // Make this explicit, since user can override this through ajaxSetup (#11264)
9338 type: "GET",
9339 dataType: "script",
9340 cache: true,
9341 async: false,
9342 global: false,
9343 "throws": true
9344 } );
9345 };
9346
9347
9348 jQuery.fn.extend( {
9349 wrapAll: function( html ) {
9350 var wrap;
9351
9352 if ( this[ 0 ] ) {
9353 if ( jQuery.isFunction( html ) ) {
9354 html = html.call( this[ 0 ] );
9355 }
9356
9357 // The elements to wrap the target around
9358 wrap = jQuery( html, this[ 0 ].ownerDocument ).eq( 0 ).clone( true );
9359
9360 if ( this[ 0 ].parentNode ) {
9361 wrap.insertBefore( this[ 0 ] );
9362 }
9363
9364 wrap.map( function() {
9365 var elem = this;
9366
9367 while ( elem.firstElementChild ) {
9368 elem = elem.firstElementChild;
9369 }
9370
9371 return elem;
9372 } ).append( this );
9373 }
9374
9375 return this;
9376 },
9377
9378 wrapInner: function( html ) {
9379 if ( jQuery.isFunction( html ) ) {
9380 return this.each( function( i ) {
9381 jQuery( this ).wrapInner( html.call( this, i ) );
9382 } );
9383 }
9384
9385 return this.each( function() {
9386 var self = jQuery( this ),
9387 contents = self.contents();
9388
9389 if ( contents.length ) {
9390 contents.wrapAll( html );
9391
9392 } else {
9393 self.append( html );
9394 }
9395 } );
9396 },
9397
9398 wrap: function( html ) {
9399 var isFunction = jQuery.isFunction( html );
9400
9401 return this.each( function( i ) {
9402 jQuery( this ).wrapAll( isFunction ? html.call( this, i ) : html );
9403 } );
9404 },
9405
9406 unwrap: function( selector ) {
9407 this.parent( selector ).not( "body" ).each( function() {
9408 jQuery( this ).replaceWith( this.childNodes );
9409 } );
9410 return this;
9411 }
9412 } );
9413
9414
9415 jQuery.expr.pseudos.hidden = function( elem ) {
9416 return !jQuery.expr.pseudos.visible( elem );
9417 };
9418 jQuery.expr.pseudos.visible = function( elem ) {
9419 return !!( elem.offsetWidth || elem.offsetHeight || elem.getClientRects().length );
9420 };
9421
9422
9423
9424
9425 jQuery.ajaxSettings.xhr = function() {
9426 try {
9427 return new window.XMLHttpRequest();
9428 } catch ( e ) {}
9429 };
9430
9431 var xhrSuccessStatus = {
9432
9433 // File protocol always yields status code 0, assume 200
9434 0: 200,
9435
9436 // Support: IE <=9 only
9437 // #1450: sometimes IE returns 1223 when it should be 204
9438 1223: 204
9439 },
9440 xhrSupported = jQuery.ajaxSettings.xhr();
9441
9442 support.cors = !!xhrSupported && ( "withCredentials" in xhrSupported );
9443 support.ajax = xhrSupported = !!xhrSupported;
9444
9445 jQuery.ajaxTransport( function( options ) {
9446 var callback, errorCallback;
9447
9448 // Cross domain only allowed if supported through XMLHttpRequest
9449 if ( support.cors || xhrSupported && !options.crossDomain ) {
9450 return {
9451 send: function( headers, complete ) {
9452 var i,
9453 xhr = options.xhr();
9454
9455 xhr.open(
9456 options.type,
9457 options.url,
9458 options.async,
9459 options.username,
9460 options.password
9461 );
9462
9463 // Apply custom fields if provided
9464 if ( options.xhrFields ) {
9465 for ( i in options.xhrFields ) {
9466 xhr[ i ] = options.xhrFields[ i ];
9467 }
9468 }
9469
9470 // Override mime type if needed
9471 if ( options.mimeType && xhr.overrideMimeType ) {
9472 xhr.overrideMimeType( options.mimeType );
9473 }
9474
9475 // X-Requested-With header
9476 // For cross-domain requests, seeing as conditions for a preflight are
9477 // akin to a jigsaw puzzle, we simply never set it to be sure.
9478 // (it can always be set on a per-request basis or even using ajaxSetup)
9479 // For same-domain requests, won't change header if already provided.
9480 if ( !options.crossDomain && !headers[ "X-Requested-With" ] ) {
9481 headers[ "X-Requested-With" ] = "XMLHttpRequest";
9482 }
9483
9484 // Set headers
9485 for ( i in headers ) {
9486 xhr.setRequestHeader( i, headers[ i ] );
9487 }
9488
9489 // Callback
9490 callback = function( type ) {
9491 return function() {
9492 if ( callback ) {
9493 callback = errorCallback = xhr.onload =
9494 xhr.onerror = xhr.onabort = xhr.onreadystatechange = null;
9495
9496 if ( type === "abort" ) {
9497 xhr.abort();
9498 } else if ( type === "error" ) {
9499
9500 // Support: IE <=9 only
9501 // On a manual native abort, IE9 throws
9502 // errors on any property access that is not readyState
9503 if ( typeof xhr.status !== "number" ) {
9504 complete( 0, "error" );
9505 } else {
9506 complete(
9507
9508 // File: protocol always yields status 0; see #8605, #14207
9509 xhr.status,
9510 xhr.statusText
9511 );
9512 }
9513 } else {
9514 complete(
9515 xhrSuccessStatus[ xhr.status ] || xhr.status,
9516 xhr.statusText,
9517
9518 // Support: IE <=9 only
9519 // IE9 has no XHR2 but throws on binary (trac-11426)
9520 // For XHR2 non-text, let the caller handle it (gh-2498)
9521 ( xhr.responseType || "text" ) !== "text" ||
9522 typeof xhr.responseText !== "string" ?
9523 { binary: xhr.response } :
9524 { text: xhr.responseText },
9525 xhr.getAllResponseHeaders()
9526 );
9527 }
9528 }
9529 };
9530 };
9531
9532 // Listen to events
9533 xhr.onload = callback();
9534 errorCallback = xhr.onerror = callback( "error" );
9535
9536 // Support: IE 9 only
9537 // Use onreadystatechange to replace onabort
9538 // to handle uncaught aborts
9539 if ( xhr.onabort !== undefined ) {
9540 xhr.onabort = errorCallback;
9541 } else {
9542 xhr.onreadystatechange = function() {
9543
9544 // Check readyState before timeout as it changes
9545 if ( xhr.readyState === 4 ) {
9546
9547 // Allow onerror to be called first,
9548 // but that will not handle a native abort
9549 // Also, save errorCallback to a variable
9550 // as xhr.onerror cannot be accessed
9551 window.setTimeout( function() {
9552 if ( callback ) {
9553 errorCallback();
9554 }
9555 } );
9556 }
9557 };
9558 }
9559
9560 // Create the abort callback
9561 callback = callback( "abort" );
9562
9563 try {
9564
9565 // Do send the request (this may raise an exception)
9566 xhr.send( options.hasContent && options.data || null );
9567 } catch ( e ) {
9568
9569 // #14683: Only rethrow if this hasn't been notified as an error yet
9570 if ( callback ) {
9571 throw e;
9572 }
9573 }
9574 },
9575
9576 abort: function() {
9577 if ( callback ) {
9578 callback();
9579 }
9580 }
9581 };
9582 }
9583 } );
9584
9585
9586
9587
9588 // Prevent auto-execution of scripts when no explicit dataType was provided (See gh-2432)
9589 jQuery.ajaxPrefilter( function( s ) {
9590 if ( s.crossDomain ) {
9591 s.contents.script = false;
9592 }
9593 } );
9594
9595 // Install script dataType
9596 jQuery.ajaxSetup( {
9597 accepts: {
9598 script: "text/javascript, application/javascript, " +
9599 "application/ecmascript, application/x-ecmascript"
9600 },
9601 contents: {
9602 script: /\b(?:java|ecma)script\b/
9603 },
9604 converters: {
9605 "text script": function( text ) {
9606 jQuery.globalEval( text );
9607 return text;
9608 }
9609 }
9610 } );
9611
9612 // Handle cache's special case and crossDomain
9613 jQuery.ajaxPrefilter( "script", function( s ) {
9614 if ( s.cache === undefined ) {
9615 s.cache = false;
9616 }
9617 if ( s.crossDomain ) {
9618 s.type = "GET";
9619 }
9620 } );
9621
9622 // Bind script tag hack transport
9623 jQuery.ajaxTransport( "script", function( s ) {
9624
9625 // This transport only deals with cross domain requests
9626 if ( s.crossDomain ) {
9627 var script, callback;
9628 return {
9629 send: function( _, complete ) {
9630 script = jQuery( "<script>" ).prop( {
9631 charset: s.scriptCharset,
9632 src: s.url
9633 } ).on(
9634 "load error",
9635 callback = function( evt ) {
9636 script.remove();
9637 callback = null;
9638 if ( evt ) {
9639 complete( evt.type === "error" ? 404 : 200, evt.type );
9640 }
9641 }
9642 );
9643
9644 // Use native DOM manipulation to avoid our domManip AJAX trickery
9645 document.head.appendChild( script[ 0 ] );
9646 },
9647 abort: function() {
9648 if ( callback ) {
9649 callback();
9650 }
9651 }
9652 };
9653 }
9654 } );
9655
9656
9657
9658
9659 var oldCallbacks = [],
9660 rjsonp = /(=)\?(?=&|$)|\?\?/;
9661
9662 // Default jsonp settings
9663 jQuery.ajaxSetup( {
9664 jsonp: "callback",
9665 jsonpCallback: function() {
9666 var callback = oldCallbacks.pop() || ( jQuery.expando + "_" + ( nonce++ ) );
9667 this[ callback ] = true;
9668 return callback;
9669 }
9670 } );
9671
9672 // Detect, normalize options and install callbacks for jsonp requests
9673 jQuery.ajaxPrefilter( "json jsonp", function( s, originalSettings, jqXHR ) {
9674
9675 var callbackName, overwritten, responseContainer,
9676 jsonProp = s.jsonp !== false && ( rjsonp.test( s.url ) ?
9677 "url" :
9678 typeof s.data === "string" &&
9679 ( s.contentType || "" )
9680 .indexOf( "application/x-www-form-urlencoded" ) === 0 &&
9681 rjsonp.test( s.data ) && "data"
9682 );
9683
9684 // Handle iff the expected data type is "jsonp" or we have a parameter to set
9685 if ( jsonProp || s.dataTypes[ 0 ] === "jsonp" ) {
9686
9687 // Get callback name, remembering preexisting value associated with it
9688 callbackName = s.jsonpCallback = jQuery.isFunction( s.jsonpCallback ) ?
9689 s.jsonpCallback() :
9690 s.jsonpCallback;
9691
9692 // Insert callback into url or form data
9693 if ( jsonProp ) {
9694 s[ jsonProp ] = s[ jsonProp ].replace( rjsonp, "$1" + callbackName );
9695 } else if ( s.jsonp !== false ) {
9696 s.url += ( rquery.test( s.url ) ? "&" : "?" ) + s.jsonp + "=" + callbackName;
9697 }
9698
9699 // Use data converter to retrieve json after script execution
9700 s.converters[ "script json" ] = function() {
9701 if ( !responseContainer ) {
9702 jQuery.error( callbackName + " was not called" );
9703 }
9704 return responseContainer[ 0 ];
9705 };
9706
9707 // Force json dataType
9708 s.dataTypes[ 0 ] = "json";
9709
9710 // Install callback
9711 overwritten = window[ callbackName ];
9712 window[ callbackName ] = function() {
9713 responseContainer = arguments;
9714 };
9715
9716 // Clean-up function (fires after converters)
9717 jqXHR.always( function() {
9718
9719 // If previous value didn't exist - remove it
9720 if ( overwritten === undefined ) {
9721 jQuery( window ).removeProp( callbackName );
9722
9723 // Otherwise restore preexisting value
9724 } else {
9725 window[ callbackName ] = overwritten;
9726 }
9727
9728 // Save back as free
9729 if ( s[ callbackName ] ) {
9730
9731 // Make sure that re-using the options doesn't screw things around
9732 s.jsonpCallback = originalSettings.jsonpCallback;
9733
9734 // Save the callback name for future use
9735 oldCallbacks.push( callbackName );
9736 }
9737
9738 // Call if it was a function and we have a response
9739 if ( responseContainer && jQuery.isFunction( overwritten ) ) {
9740 overwritten( responseContainer[ 0 ] );
9741 }
9742
9743 responseContainer = overwritten = undefined;
9744 } );
9745
9746 // Delegate to script
9747 return "script";
9748 }
9749 } );
9750
9751
9752
9753
9754 // Support: Safari 8 only
9755 // In Safari 8 documents created via document.implementation.createHTMLDocument
9756 // collapse sibling forms: the second one becomes a child of the first one.
9757 // Because of that, this security measure has to be disabled in Safari 8.
9758 // https://bugs.webkit.org/show_bug.cgi?id=137337
9759 support.createHTMLDocument = ( function() {
9760 var body = document.implementation.createHTMLDocument( "" ).body;
9761 body.innerHTML = "<form></form><form></form>";
9762 return body.childNodes.length === 2;
9763 } )();
9764
9765
9766 // Argument "data" should be string of html
9767 // context (optional): If specified, the fragment will be created in this context,
9768 // defaults to document
9769 // keepScripts (optional): If true, will include scripts passed in the html string
9770 jQuery.parseHTML = function( data, context, keepScripts ) {
9771 if ( typeof data !== "string" ) {
9772 return [];
9773 }
9774 if ( typeof context === "boolean" ) {
9775 keepScripts = context;
9776 context = false;
9777 }
9778
9779 var base, parsed, scripts;
9780
9781 if ( !context ) {
9782
9783 // Stop scripts or inline event handlers from being executed immediately
9784 // by using document.implementation
9785 if ( support.createHTMLDocument ) {
9786 context = document.implementation.createHTMLDocument( "" );
9787
9788 // Set the base href for the created document
9789 // so any parsed elements with URLs
9790 // are based on the document's URL (gh-2965)
9791 base = context.createElement( "base" );
9792 base.href = document.location.href;
9793 context.head.appendChild( base );
9794 } else {
9795 context = document;
9796 }
9797 }
9798
9799 parsed = rsingleTag.exec( data );
9800 scripts = !keepScripts && [];
9801
9802 // Single tag
9803 if ( parsed ) {
9804 return [ context.createElement( parsed[ 1 ] ) ];
9805 }
9806
9807 parsed = buildFragment( [ data ], context, scripts );
9808
9809 if ( scripts && scripts.length ) {
9810 jQuery( scripts ).remove();
9811 }
9812
9813 return jQuery.merge( [], parsed.childNodes );
9814 };
9815
9816
9817 /**
9818 * Load a url into a page
9819 */
9820 jQuery.fn.load = function( url, params, callback ) {
9821 var selector, type, response,
9822 self = this,
9823 off = url.indexOf( " " );
9824
9825 if ( off > -1 ) {
9826 selector = stripAndCollapse( url.slice( off ) );
9827 url = url.slice( 0, off );
9828 }
9829
9830 // If it's a function
9831 if ( jQuery.isFunction( params ) ) {
9832
9833 // We assume that it's the callback
9834 callback = params;
9835 params = undefined;
9836
9837 // Otherwise, build a param string
9838 } else if ( params && typeof params === "object" ) {
9839 type = "POST";
9840 }
9841
9842 // If we have elements to modify, make the request
9843 if ( self.length > 0 ) {
9844 jQuery.ajax( {
9845 url: url,
9846
9847 // If "type" variable is undefined, then "GET" method will be used.
9848 // Make value of this field explicit since
9849 // user can override it through ajaxSetup method
9850 type: type || "GET",
9851 dataType: "html",
9852 data: params
9853 } ).done( function( responseText ) {
9854
9855 // Save response for use in complete callback
9856 response = arguments;
9857
9858 self.html( selector ?
9859
9860 // If a selector was specified, locate the right elements in a dummy div
9861 // Exclude scripts to avoid IE 'Permission Denied' errors
9862 jQuery( "<div>" ).append( jQuery.parseHTML( responseText ) ).find( selector ) :
9863
9864 // Otherwise use the full result
9865 responseText );
9866
9867 // If the request succeeds, this function gets "data", "status", "jqXHR"
9868 // but they are ignored because response was set above.
9869 // If it fails, this function gets "jqXHR", "status", "error"
9870 } ).always( callback && function( jqXHR, status ) {
9871 self.each( function() {
9872 callback.apply( this, response || [ jqXHR.responseText, status, jqXHR ] );
9873 } );
9874 } );
9875 }
9876
9877 return this;
9878 };
9879
9880
9881
9882
9883 // Attach a bunch of functions for handling common AJAX events
9884 jQuery.each( [
9885 "ajaxStart",
9886 "ajaxStop",
9887 "ajaxComplete",
9888 "ajaxError",
9889 "ajaxSuccess",
9890 "ajaxSend"
9891 ], function( i, type ) {
9892 jQuery.fn[ type ] = function( fn ) {
9893 return this.on( type, fn );
9894 };
9895 } );
9896
9897
9898
9899
9900 jQuery.expr.pseudos.animated = function( elem ) {
9901 return jQuery.grep( jQuery.timers, function( fn ) {
9902 return elem === fn.elem;
9903 } ).length;
9904 };
9905
9906
9907
9908
9909 jQuery.offset = {
9910 setOffset: function( elem, options, i ) {
9911 var curPosition, curLeft, curCSSTop, curTop, curOffset, curCSSLeft, calculatePosition,
9912 position = jQuery.css( elem, "position" ),
9913 curElem = jQuery( elem ),
9914 props = {};
9915
9916 // Set position first, in-case top/left are set even on static elem
9917 if ( position === "static" ) {
9918 elem.style.position = "relative";
9919 }
9920
9921 curOffset = curElem.offset();
9922 curCSSTop = jQuery.css( elem, "top" );
9923 curCSSLeft = jQuery.css( elem, "left" );
9924 calculatePosition = ( position === "absolute" || position === "fixed" ) &&
9925 ( curCSSTop + curCSSLeft ).indexOf( "auto" ) > -1;
9926
9927 // Need to be able to calculate position if either
9928 // top or left is auto and position is either absolute or fixed
9929 if ( calculatePosition ) {
9930 curPosition = curElem.position();
9931 curTop = curPosition.top;
9932 curLeft = curPosition.left;
9933
9934 } else {
9935 curTop = parseFloat( curCSSTop ) || 0;
9936 curLeft = parseFloat( curCSSLeft ) || 0;
9937 }
9938
9939 if ( jQuery.isFunction( options ) ) {
9940
9941 // Use jQuery.extend here to allow modification of coordinates argument (gh-1848)
9942 options = options.call( elem, i, jQuery.extend( {}, curOffset ) );
9943 }
9944
9945 if ( options.top != null ) {
9946 props.top = ( options.top - curOffset.top ) + curTop;
9947 }
9948 if ( options.left != null ) {
9949 props.left = ( options.left - curOffset.left ) + curLeft;
9950 }
9951
9952 if ( "using" in options ) {
9953 options.using.call( elem, props );
9954
9955 } else {
9956 curElem.css( props );
9957 }
9958 }
9959 };
9960
9961 jQuery.fn.extend( {
9962 offset: function( options ) {
9963
9964 // Preserve chaining for setter
9965 if ( arguments.length ) {
9966 return options === undefined ?
9967 this :
9968 this.each( function( i ) {
9969 jQuery.offset.setOffset( this, options, i );
9970 } );
9971 }
9972
9973 var doc, docElem, rect, win,
9974 elem = this[ 0 ];
9975
9976 if ( !elem ) {
9977 return;
9978 }
9979
9980 // Return zeros for disconnected and hidden (display: none) elements (gh-2310)
9981 // Support: IE <=11 only
9982 // Running getBoundingClientRect on a
9983 // disconnected node in IE throws an error
9984 if ( !elem.getClientRects().length ) {
9985 return { top: 0, left: 0 };
9986 }
9987
9988 rect = elem.getBoundingClientRect();
9989
9990 doc = elem.ownerDocument;
9991 docElem = doc.documentElement;
9992 win = doc.defaultView;
9993
9994 return {
9995 top: rect.top + win.pageYOffset - docElem.clientTop,
9996 left: rect.left + win.pageXOffset - docElem.clientLeft
9997 };
9998 },
9999
10000 position: function() {
10001 if ( !this[ 0 ] ) {
10002 return;
10003 }
10004
10005 var offsetParent, offset,
10006 elem = this[ 0 ],
10007 parentOffset = { top: 0, left: 0 };
10008
10009 // Fixed elements are offset from window (parentOffset = {top:0, left: 0},
10010 // because it is its only offset parent
10011 if ( jQuery.css( elem, "position" ) === "fixed" ) {
10012
10013 // Assume getBoundingClientRect is there when computed position is fixed
10014 offset = elem.getBoundingClientRect();
10015
10016 } else {
10017
10018 // Get *real* offsetParent
10019 offsetParent = this.offsetParent();
10020
10021 // Get correct offsets
10022 offset = this.offset();
10023 if ( !nodeName( offsetParent[ 0 ], "html" ) ) {
10024 parentOffset = offsetParent.offset();
10025 }
10026
10027 // Add offsetParent borders
10028 parentOffset = {
10029 top: parentOffset.top + jQuery.css( offsetParent[ 0 ], "borderTopWidth", true ),
10030 left: parentOffset.left + jQuery.css( offsetParent[ 0 ], "borderLeftWidth", true )
10031 };
10032 }
10033
10034 // Subtract parent offsets and element margins
10035 return {
10036 top: offset.top - parentOffset.top - jQuery.css( elem, "marginTop", true ),
10037 left: offset.left - parentOffset.left - jQuery.css( elem, "marginLeft", true )
10038 };
10039 },
10040
10041 // This method will return documentElement in the following cases:
10042 // 1) For the element inside the iframe without offsetParent, this method will return
10043 // documentElement of the parent window
10044 // 2) For the hidden or detached element
10045 // 3) For body or html element, i.e. in case of the html node - it will return itself
10046 //
10047 // but those exceptions were never presented as a real life use-cases
10048 // and might be considered as more preferable results.
10049 //
10050 // This logic, however, is not guaranteed and can change at any point in the future
10051 offsetParent: function() {
10052 return this.map( function() {
10053 var offsetParent = this.offsetParent;
10054
10055 while ( offsetParent && jQuery.css( offsetParent, "position" ) === "static" ) {
10056 offsetParent = offsetParent.offsetParent;
10057 }
10058
10059 return offsetParent || documentElement;
10060 } );
10061 }
10062 } );
10063
10064 // Create scrollLeft and scrollTop methods
10065 jQuery.each( { scrollLeft: "pageXOffset", scrollTop: "pageYOffset" }, function( method, prop ) {
10066 var top = "pageYOffset" === prop;
10067
10068 jQuery.fn[ method ] = function( val ) {
10069 return access( this, function( elem, method, val ) {
10070
10071 // Coalesce documents and windows
10072 var win;
10073 if ( jQuery.isWindow( elem ) ) {
10074 win = elem;
10075 } else if ( elem.nodeType === 9 ) {
10076 win = elem.defaultView;
10077 }
10078
10079 if ( val === undefined ) {
10080 return win ? win[ prop ] : elem[ method ];
10081 }
10082
10083 if ( win ) {
10084 win.scrollTo(
10085 !top ? val : win.pageXOffset,
10086 top ? val : win.pageYOffset
10087 );
10088
10089 } else {
10090 elem[ method ] = val;
10091 }
10092 }, method, val, arguments.length );
10093 };
10094 } );
10095
10096 // Support: Safari <=7 - 9.1, Chrome <=37 - 49
10097 // Add the top/left cssHooks using jQuery.fn.position
10098 // Webkit bug: https://bugs.webkit.org/show_bug.cgi?id=29084
10099 // Blink bug: https://bugs.chromium.org/p/chromium/issues/detail?id=589347
10100 // getComputedStyle returns percent when specified for top/left/bottom/right;
10101 // rather than make the css module depend on the offset module, just check for it here
10102 jQuery.each( [ "top", "left" ], function( i, prop ) {
10103 jQuery.cssHooks[ prop ] = addGetHookIf( support.pixelPosition,
10104 function( elem, computed ) {
10105 if ( computed ) {
10106 computed = curCSS( elem, prop );
10107
10108 // If curCSS returns percentage, fallback to offset
10109 return rnumnonpx.test( computed ) ?
10110 jQuery( elem ).position()[ prop ] + "px" :
10111 computed;
10112 }
10113 }
10114 );
10115 } );
10116
10117
10118 // Create innerHeight, innerWidth, height, width, outerHeight and outerWidth methods
10119 jQuery.each( { Height: "height", Width: "width" }, function( name, type ) {
10120 jQuery.each( { padding: "inner" + name, content: type, "": "outer" + name },
10121 function( defaultExtra, funcName ) {
10122
10123 // Margin is only for outerHeight, outerWidth
10124 jQuery.fn[ funcName ] = function( margin, value ) {
10125 var chainable = arguments.length && ( defaultExtra || typeof margin !== "boolean" ),
10126 extra = defaultExtra || ( margin === true || value === true ? "margin" : "border" );
10127
10128 return access( this, function( elem, type, value ) {
10129 var doc;
10130
10131 if ( jQuery.isWindow( elem ) ) {
10132
10133 // $( window ).outerWidth/Height return w/h including scrollbars (gh-1729)
10134 return funcName.indexOf( "outer" ) === 0 ?
10135 elem[ "inner" + name ] :
10136 elem.document.documentElement[ "client" + name ];
10137 }
10138
10139 // Get document width or height
10140 if ( elem.nodeType === 9 ) {
10141 doc = elem.documentElement;
10142
10143 // Either scroll[Width/Height] or offset[Width/Height] or client[Width/Height],
10144 // whichever is greatest
10145 return Math.max(
10146 elem.body[ "scroll" + name ], doc[ "scroll" + name ],
10147 elem.body[ "offset" + name ], doc[ "offset" + name ],
10148 doc[ "client" + name ]
10149 );
10150 }
10151
10152 return value === undefined ?
10153
10154 // Get width or height on the element, requesting but not forcing parseFloat
10155 jQuery.css( elem, type, extra ) :
10156
10157 // Set width or height on the element
10158 jQuery.style( elem, type, value, extra );
10159 }, type, chainable ? margin : undefined, chainable );
10160 };
10161 } );
10162 } );
10163
10164
10165 jQuery.fn.extend( {
10166
10167 bind: function( types, data, fn ) {
10168 return this.on( types, null, data, fn );
10169 },
10170 unbind: function( types, fn ) {
10171 return this.off( types, null, fn );
10172 },
10173
10174 delegate: function( selector, types, data, fn ) {
10175 return this.on( types, selector, data, fn );
10176 },
10177 undelegate: function( selector, types, fn ) {
10178
10179 // ( namespace ) or ( selector, types [, fn] )
10180 return arguments.length === 1 ?
10181 this.off( selector, "**" ) :
10182 this.off( types, selector || "**", fn );
10183 }
10184 } );
10185
10186 jQuery.holdReady = function( hold ) {
10187 if ( hold ) {
10188 jQuery.readyWait++;
10189 } else {
10190 jQuery.ready( true );
10191 }
10192 };
10193 jQuery.isArray = Array.isArray;
10194 jQuery.parseJSON = JSON.parse;
10195 jQuery.nodeName = nodeName;
10196
10197
10198
10199
10200 // Register as a named AMD module, since jQuery can be concatenated with other
10201 // files that may use define, but not via a proper concatenation script that
10202 // understands anonymous AMD modules. A named AMD is safest and most robust
10203 // way to register. Lowercase jquery is used because AMD module names are
10204 // derived from file names, and jQuery is normally delivered in a lowercase
10205 // file name. Do this after creating the global so that if an AMD module wants
10206 // to call noConflict to hide this version of jQuery, it will work.
10207
10208 // Note that for maximum portability, libraries that are not jQuery should
10209 // declare themselves as anonymous modules, and avoid setting a global if an
10210 // AMD loader is present. jQuery is a special case. For more information, see
10211 // https://github.com/jrburke/requirejs/wiki/Updating-existing-libraries#wiki-anon
10212
10213 if ( typeof define === "function" && define.amd ) {
10214 define( "jquery", [], function() {
10215 return jQuery;
10216 } );
10217 }
10218
10219
10220
10221
10222 var
10223
10224 // Map over jQuery in case of overwrite
10225 _jQuery = window.jQuery,
10226
10227 // Map over the $ in case of overwrite
10228 _$ = window.$;
10229
10230 jQuery.noConflict = function( deep ) {
10231 if ( window.$ === jQuery ) {
10232 window.$ = _$;
10233 }
10234
10235 if ( deep && window.jQuery === jQuery ) {
10236 window.jQuery = _jQuery;
10237 }
10238
10239 return jQuery;
10240 };
10241
10242 // Expose jQuery and $ identifiers, even in AMD
10243 // (#7102#comment:10, https://github.com/jquery/jquery/pull/557)
10244 // and CommonJS for browser emulators (#13566)
10245 if ( !noGlobal ) {
10246 window.jQuery = window.$ = jQuery;
10247 }
10248
10249
10250
10251
10252 return jQuery;
10253 } );