// 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.filter es5id: 15.4.4.20-9-b-11 description: > Array.prototype.filter - deleting property of prototype causes prototype index property not to be visited on an Array ---*/ function callbackfn(val, idx, obj) { return true; } var arr = [0, , 2]; Object.defineProperty(arr, "0", { get: function() { delete Array.prototype[1]; return 0; }, configurable: true }); Array.prototype[1] = 1; var newArr = arr.filter(callbackfn); assert.sameValue(newArr.length, 2, 'newArr.length'); assert.notSameValue(newArr[1], 1, 'newArr[1]'); reportCompare(0, 0);