test262/test/built-ins/Object/preventExtensions/15.2.3.10-0-1.js

12 lines
324 B
JavaScript

// Copyright (c) 2012 Ecma International. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
es5id: 15.2.3.10-0-1
description: Object.preventExtensions must exist as a function
---*/
var f = Object.preventExtensions;
assert.sameValue(typeof(f), "function", 'typeof(f)');