15.2.3.6-4-418.js (715B)
1 // Copyright (c) 2012 Ecma International. All rights reserved. 2 // This code is governed by the BSD license found in the LICENSE file. 3 4 /*--- 5 es5id: 15.2.3.6-4-418 6 description: > 7 ES5 Attributes - Successfully add a property to an object when the 8 object's prototype has a property with the same name and 9 [[Writable]] set to true (Function.prototype.bind) 10 ---*/ 11 12 var foo = function() {}; 13 14 Object.defineProperty(Function.prototype, "prop", { 15 value: 1001, 16 writable: true, 17 enumerable: true, 18 configurable: true 19 }); 20 21 var obj = foo.bind({}); 22 obj.prop = 1002; 23 24 assert(obj.hasOwnProperty("prop"), 'obj.hasOwnProperty("prop") !== true'); 25 assert.sameValue(obj.prop, 1002, 'obj.prop'); 26 27 reportCompare(0, 0);