Source code
Revision control
Copy as Markdown
Other Tools
// Copyright (C) 2016 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-evaldeclarationinstantiation
description: Initialization of new global property
info: |
[...]
16. For each String vn in declaredVarNames, in list order do
a. If varEnvRec is a global Environment Record, then
i. Perform ? varEnvRec.CreateGlobalVarBinding(vn, true).
[...]
8.1.1.4.17 CreateGlobalVarBinding
[...]
5. Let extensible be ? IsExtensible(globalObject).
6. If hasProperty is false and extensible is true, then
a. Perform ? ObjRec.CreateMutableBinding(N, D).
b. Perform ? ObjRec.InitializeBinding(N, undefined).
[...]
flags: [noStrict]
includes: [propertyHelper.js]
---*/
var initial = null;
eval('initial = x; var x;');
verifyProperty(this, 'x', {
value: undefined,
writable: true,
enumerable: true,
configurable: true,
});
assert.sameValue(initial, undefined);
reportCompare(0, 0);