1 | #is-symbol <sup>[![Version Badge][2]][1]</sup>
|
2 |
|
3 | [![Build Status][3]][4]
|
4 | [![dependency status][5]][6]
|
5 | [![dev dependency status][7]][8]
|
6 | [![License][license-image]][license-url]
|
7 | [![Downloads][downloads-image]][downloads-url]
|
8 |
|
9 | [![npm badge][11]][1]
|
10 |
|
11 | [![browser support][9]][10]
|
12 |
|
13 | Is this an ES6 Symbol value?
|
14 |
|
15 | ## Example
|
16 |
|
17 | ```js
|
18 | var isSymbol = require('is-symbol');
|
19 | assert(!isSymbol(function () {}));
|
20 | assert(!isSymbol(null));
|
21 | assert(!isSymbol(function* () { yield 42; return Infinity; });
|
22 |
|
23 | assert(isSymbol(Symbol.iterator));
|
24 | assert(isSymbol(Symbol('foo')));
|
25 | assert(isSymbol(Symbol.for('foo')));
|
26 | assert(isSymbol(Object(Symbol('foo'))));
|
27 | ```
|
28 |
|
29 | ## Tests
|
30 | Simply clone the repo, `npm install`, and run `npm test`
|
31 |
|
32 | [1]: https://npmjs.org/package/is-symbol
|
33 | [2]: http://versionbadg.es/ljharb/is-symbol.svg
|
34 | [3]: https://travis-ci.org/ljharb/is-symbol.svg
|
35 | [4]: https://travis-ci.org/ljharb/is-symbol
|
36 | [5]: https://david-dm.org/ljharb/is-symbol.svg
|
37 | [6]: https://david-dm.org/ljharb/is-symbol
|
38 | [7]: https://david-dm.org/ljharb/is-symbol/dev-status.svg
|
39 | [8]: https://david-dm.org/ljharb/is-symbol#info=devDependencies
|
40 | [9]: https://ci.testling.com/ljharb/is-symbol.png
|
41 | [10]: https://ci.testling.com/ljharb/is-symbol
|
42 | [11]: https://nodei.co/npm/is-symbol.png?downloads=true&stars=true
|
43 | [license-image]: http://img.shields.io/npm/l/is-symbol.svg
|
44 | [license-url]: LICENSE
|
45 | [downloads-image]: http://img.shields.io/npm/dm/is-symbol.svg
|
46 | [downloads-url]: http://npm-stat.com/charts.html?package=is-symbol
|