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.indexof description: Array.prototype.indexOf - 'length' is an inherited data property ---*/ var proto = { length: 2 }; var Con = function() {}; Con.prototype = proto; var childOne = new Con(); childOne[1] = true; var childTwo = new Con(); childTwo[2] = true; assert.sameValue(Array.prototype.indexOf.call(childOne, true), 1, 'Array.prototype.indexOf.call(childOne, true)'); assert.sameValue(Array.prototype.indexOf.call(childTwo, true), -1, 'Array.prototype.indexOf.call(childTwo, true)');