Source code
Revision control
Copy as Markdown
Other Tools
// Copyright (c) 2012 Ecma International. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-setintegritylevel
description: >
Object.seal - 'P' is own data property that overrides an inherited
data property
includes: [propertyHelper.js]
---*/
var proto = {
foo: 0
};
var ConstructFun = function() {};
ConstructFun.prototype = proto;
var obj = new ConstructFun();
Object.defineProperty(obj, "foo", {
value: 10,
configurable: true
});
assert(Object.isExtensible(obj));
Object.seal(obj);
verifyProperty(obj, "foo", {
value: 10,
configurable: false,
});
reportCompare(0, 0);