| Index: trunk/extensions/VisualEditor/modules/es/es.js |
| — | — | @@ -49,6 +49,23 @@ |
| 50 | 50 | es.isArray = $.isArray; |
| 51 | 51 | |
| 52 | 52 | /** |
| | 53 | + * Wrapper for Array.prototype.indexOf |
| | 54 | + * |
| | 55 | + * @param arr {Array} Array to search in |
| | 56 | + * @param elem {Mixed} Element to search for |
| | 57 | + * @return {Number} Index of elem in arr, or -1 if not found. Comparisons are done with === |
| | 58 | + */ |
| | 59 | +es.arrayIndexOf = Array.prototype.indexOf ? function( arr, elem ) { return arr.indexOf( elem ); } : function( arr, elem ) { |
| | 60 | + var i; |
| | 61 | + for ( i = 0; i < arr.length; i++ ) { |
| | 62 | + if ( arr[i] === elem ) { |
| | 63 | + return i; |
| | 64 | + } |
| | 65 | + } |
| | 66 | + return -1; |
| | 67 | +}; |
| | 68 | + |
| | 69 | +/** |
| 53 | 70 | * Recursively compares string and number property between two objects. |
| 54 | 71 | * |
| 55 | 72 | * A false result may be caused by property inequality or by properties in one object missing from |