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.map description: > Array.prototype.map - empty array to be returned if 'length' is 0 (subclassed Array, length overridden to null (type conversion)) ---*/ function callbackfn(val, idx, obj) { return val > 10; } var Foo = function() {}; Foo.prototype = [1, 2, 3]; var obj = new Foo(); obj.length = null; var testResult = Array.prototype.map.call(obj, callbackfn); assert.sameValue(testResult.length, 0, 'testResult.length');