15.2.3.6-3-86-1.js (787B)
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: 15.2.3.6-3-86-1 6 description: > 7 Object.defineProperty - 'Attributes' is a Function object which 8 implements its own [[Get]] method to access the 'configurable' 9 property of prototype object (8.10.5 step 4.a) 10 ---*/ 11 12 var obj = {}; 13 14 Function.prototype.configurable = true; 15 var funObj = function(a, b) { 16 return a + b; 17 }; 18 19 Object.defineProperty(obj, "property", funObj); 20 21 var beforeDeleted = obj.hasOwnProperty("property"); 22 23 delete obj.property; 24 25 var afterDeleted = obj.hasOwnProperty("property"); 26 27 assert.sameValue(beforeDeleted, true, 'beforeDeleted'); 28 assert.sameValue(afterDeleted, false, 'afterDeleted'); 29 30 reportCompare(0, 0);