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.lastindexof description: Array.prototype.lastIndexOf must return correct index(Object) ---*/ var obj1 = { toString: function() { return "false" } }; var obj2 = { toString: function() { return "false" } }; var obj3 = obj1; var a = new Array(obj2, obj1, obj3, false, undefined, 0, false, null, { toString: function() { return "false" } }, "false"); assert.sameValue(a.lastIndexOf(obj3), 2, 'a.lastIndexOf(obj3)');