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
33
34
|
// Copyright (C) 2015 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
es6id: 26.1.9
description: >
Return boolean value from a projectKey as a Symbol
info: |
26.1.9 Reflect.has ( target, propertyKey )
...
2. Let key be ToPropertyKey(propertyKey).
...
7.1.14 ToPropertyKey ( argument )
...
3. If Type(key) is Symbol, then
a. Return key.
...
features: [Symbol]
---*/
var o = {};
var s1 = Symbol('1');
o[s1] = 42;
var s2 = Symbol('1');
assert.sameValue(Reflect.has(o, s1), true, 'true from own property');
assert.sameValue(
Reflect.has(o, s2), false,
'false when property is not present'
);
|
