X-Git-Url: https://git.heureux-cyclage.org/?a=blobdiff_plain;f=resources%2Fsrc%2Fstartup.js;h=deb280a8f18b8161434c64faa5ea1847b76d4a29;hb=25e3feba981d206d91e9b0ddd28c02cd86e17873;hp=20818d2656ce641ba58a989887dd50d522464123;hpb=e61f2aee418b2a2895c114e380c4738b29f682c7;p=lhc%2Fweb%2Fwiklou.git

diff --git a/resources/src/startup.js b/resources/src/startup.js
index 20818d2656..deb280a8f1 100644
--- 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' );