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 applied to Arguments object which implements its own property get method ---*/ var func = function(a, b) { arguments[2] = false; return Array.prototype.indexOf.call(arguments, true) === 1 && Array.prototype.indexOf.call(arguments, false) === -1; }; assert(func(0, true), 'func(0, true) !== true');