Strict mode Passingnon-Strict mode Passing
Features:
- ∅
// 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 description: > Array.prototype.map - deleting own property with prototype property causes prototype index property to be visited on an Array-like object ---*/ function callbackfn(val, idx, obj) { if (idx === 1 && val === 3) { return false; } else { return true; } } var obj = { 0: 0, 1: 1, 2: 2, length: 10 }; Object.defineProperty(obj, "0", { get: function() { delete obj[1]; return 0; }, configurable: true }); Object.prototype[1] = 3; var testResult = Array.prototype.map.call(obj, callbackfn); assert.sameValue(testResult[1], false, 'testResult[1]');