11.13.1-3-s-strict.js (570B)
1 'use strict'; 2 // Copyright (c) 2012 Ecma International. All rights reserved. 3 // This code is governed by the BSD license found in the LICENSE file. 4 5 /*--- 6 es5id: 11.13.1-3-s 7 description: > 8 Strict Mode - TypeError is thrown if The LeftHandSide is a 9 reference to a non-existent property of an object whose 10 [[Extensible]] internal property has the value false under strict 11 mode 12 flags: [onlyStrict] 13 ---*/ 14 15 var obj = {}; 16 Object.preventExtensions(obj); 17 assert.throws(TypeError, function() { 18 obj.len = 10; 19 }); 20 21 reportCompare(0, 0);