| Index: branches/REL1_17/phase3/resources/mediawiki/mediawiki.js |
| — | — | @@ -134,7 +134,7 @@ |
| 135 | 135 | * @return boolean Existence of key(s) |
| 136 | 136 | */ |
| 137 | 137 | Map.prototype.exists = function( selection ) { |
| 138 | | - if ( typeof keys === 'object' ) { |
| | 138 | + if ( typeof selection === 'object' ) { |
| 139 | 139 | for ( var s = 0; s < selection.length; s++ ) { |
| 140 | 140 | if ( !( selection[s] in this.values ) ) { |
| 141 | 141 | return false; |