47 lines
		
	
	
		
			1.4 KiB
		
	
	
	
		
			Markdown
		
	
	
	
	
	
		
		
			
		
	
	
			47 lines
		
	
	
		
			1.4 KiB
		
	
	
	
		
			Markdown
		
	
	
	
	
	
|  | #is-symbol <sup>[![Version Badge][2]][1]</sup>
 | ||
|  | 
 | ||
|  | [![Build Status][3]][4] | ||
|  | [![dependency status][5]][6] | ||
|  | [![dev dependency status][7]][8] | ||
|  | [![License][license-image]][license-url] | ||
|  | [![Downloads][downloads-image]][downloads-url] | ||
|  | 
 | ||
|  | [![npm badge][11]][1] | ||
|  | 
 | ||
|  | [![browser support][9]][10] | ||
|  | 
 | ||
|  | Is this an ES6 Symbol value? | ||
|  | 
 | ||
|  | ## Example
 | ||
|  | 
 | ||
|  | ```js | ||
|  | var isSymbol = require('is-symbol'); | ||
|  | assert(!isSymbol(function () {})); | ||
|  | assert(!isSymbol(null)); | ||
|  | assert(!isSymbol(function* () { yield 42; return Infinity; }); | ||
|  | 
 | ||
|  | assert(isSymbol(Symbol.iterator)); | ||
|  | assert(isSymbol(Symbol('foo'))); | ||
|  | assert(isSymbol(Symbol.for('foo'))); | ||
|  | assert(isSymbol(Object(Symbol('foo')))); | ||
|  | ``` | ||
|  | 
 | ||
|  | ## Tests
 | ||
|  | Simply clone the repo, `npm install`, and run `npm test` | ||
|  | 
 | ||
|  | [1]: https://npmjs.org/package/is-symbol | ||
|  | [2]: http://versionbadg.es/ljharb/is-symbol.svg | ||
|  | [3]: https://travis-ci.org/ljharb/is-symbol.svg | ||
|  | [4]: https://travis-ci.org/ljharb/is-symbol | ||
|  | [5]: https://david-dm.org/ljharb/is-symbol.svg | ||
|  | [6]: https://david-dm.org/ljharb/is-symbol | ||
|  | [7]: https://david-dm.org/ljharb/is-symbol/dev-status.svg | ||
|  | [8]: https://david-dm.org/ljharb/is-symbol#info=devDependencies | ||
|  | [9]: https://ci.testling.com/ljharb/is-symbol.png | ||
|  | [10]: https://ci.testling.com/ljharb/is-symbol | ||
|  | [11]: https://nodei.co/npm/is-symbol.png?downloads=true&stars=true | ||
|  | [license-image]: http://img.shields.io/npm/l/is-symbol.svg | ||
|  | [license-url]: LICENSE | ||
|  | [downloads-image]: http://img.shields.io/npm/dm/is-symbol.svg | ||
|  | [downloads-url]: http://npm-stat.com/charts.html?package=is-symbol |