Merge "Fix timestamp format in maintenance/manageJobs.php"

[lhc/web/wiklou.git] / resources / src / startup.js

diff --git a/resources/src/startup.js b/resources/src/startup.js
index 20818d2..deb280a 100644 (file)
--- a/resources/src/startup.js
+++ b/resources/src/startup.js
@@ -6,11 +6,19 @@
 
 /* global mw, $VARS, $CODE */
 
-// eslint-disable-next-line no-unused-vars
-var mediaWikiLoadStart = ( new Date() ).getTime(),
-       mwPerformance = ( window.performance && performance.mark ) ? performance : {
+var mwPerformance = ( window.performance && performance.mark ) ? performance : {
                mark: function () {}
-       };
+       },
+       // Define now() here to ensure valid comparison with mediaWikiLoadEnd (T153819).
+       mwNow = ( function () {
+               var perf = window.performance,
+                       navStart = perf && perf.timing && perf.timing.navigationStart;
+               return navStart && typeof perf.now === 'function' ?
+                       function () { return navStart + perf.now(); } :
+                       function () { return +new Date(); };
+       }() ),
+       // eslint-disable-next-line no-unused-vars
+       mediaWikiLoadStart = mwNow();
 
 mwPerformance.mark( 'mwLoadStart' );