Merge "Widgets: Allow titles with name of Object.prototypes"

[lhc/web/wiklou.git] / resources / src / mediawiki.widgets / mw.widgets.CategoryMultiselectWidget.js

diff --git a/resources/src/mediawiki.widgets/mw.widgets.CategoryMultiselectWidget.js b/resources/src/mediawiki.widgets/mw.widgets.CategoryMultiselectWidget.js
index c673eb2..3f19509 100644 (file)
--- a/resources/src/mediawiki.widgets/mw.widgets.CategoryMultiselectWidget.js
+++ b/resources/src/mediawiki.widgets/mw.widgets.CategoryMultiselectWidget.js
@@ -5,7 +5,8 @@
  * @license The MIT License (MIT); see LICENSE.txt
  */
 ( function ( $, mw ) {
-       var NS_CATEGORY = mw.config.get( 'wgNamespaceIds' ).category;
+       var hasOwn = Object.prototype.hasOwnProperty,
+               NS_CATEGORY = mw.config.get( 'wgNamespaceIds' ).category;
 
        /**
         * Category selector widget. Displays an OO.ui.CapsuleMultiselectWidget
@@ -273,7 +274,7 @@
                        cacheKey = input + searchType.toString();
 
                // Check cache
-               if ( this.searchCache[ cacheKey ] !== undefined ) {
+               if ( hasOwn.call( this.searchCache, cacheKey ) ) {
                        return this.searchCache[ cacheKey ];
                }