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 String object, which implements its own property get method ---*/ var str = new String("012"); String.prototype[3] = "3"; assert.sameValue(Array.prototype.indexOf.call(str, "2"), 2, 'Array.prototype.indexOf.call(str, "2")'); assert.sameValue(Array.prototype.indexOf.call(str, "3"), -1, 'Array.prototype.indexOf.call(str, "3")');