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.every description: > Array.prototype.every - decreasing length of array with prototype property causes prototype index property to be visited ---*/ function callbackfn(val, idx, obj) { if (idx === 2 && val === "prototype") { return false; } else { return true; } } var arr = [0, 1, 2]; Object.defineProperty(Array.prototype, "2", { get: function() { return "prototype"; }, configurable: true }); Object.defineProperty(arr, "1", { get: function() { arr.length = 2; return 1; }, configurable: true }); assert.sameValue(arr.every(callbackfn), false, 'arr.every(callbackfn)');