1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
|
// 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).
[...]
includes: [propertyHelper.js]
---*/
var initial = null;
(0, eval)('initial = x; var x = 9;');
verifyEnumerable(this, 'x');
verifyWritable(this, 'x');
verifyConfigurable(this, 'x');
assert.sameValue(initial, undefined);
|
