Add boolean inArray utility

diff --git a/resources/mediawiki/mediawiki.util.js b/resources/mediawiki/mediawiki.util.js
index ebd63ef..758f915 100644 (file)
--- a/resources/mediawiki/mediawiki.util.js
+++ b/resources/mediawiki/mediawiki.util.js
@@ -108,6 +108,17 @@
 
                /* Main body */
 
+               /**
+                * Wether a value is in an array. Using jQuery's inArray cross-browser utility,
+                * (for browsers without Array indexOf support).
+                * @param val {Mixed} Needle
+                * @param arr {Array} Haystack
+                * @return Boolean
+                */
+               'inArray' : function( val, arr ) {
+                       return $.inArray( val, arr ) !== -1;
+               },
+
                /**
                 * Encode the string like PHP's rawurlencode
                 *