| // Copyright (c) 2012 Ecma International. All rights reserved. |
| // This code is governed by the BSD license found in the LICENSE file. |
| |
| /*--- |
| esid: sec-array.prototype.map |
| es5id: 15.4.4.19-8-c-iii-5 |
| description: > |
| Array.prototype.map - value of returned array element can be |
| changed or deleted |
| ---*/ |
| |
| function callbackfn(val, idx, obj) { |
| return true; |
| } |
| |
| var obj = { 0: 11, 1: 9, length: 2 }; |
| var newArr = Array.prototype.map.call(obj, callbackfn); |
| |
| var tempVal = newArr[1]; |
| delete newArr[1]; |
| |
| assert.notSameValue(tempVal, undefined, 'tempVal'); |
| assert.sameValue(newArr[1], undefined, 'newArr[1]'); |