관리-도구

편집 파일: README.md

# has-symbols ^{[![Version Badge][2]][1]} [![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] Determine if the JS environment has Symbol support. Supports spec, or shams. ## Example ```js var hasSymbols = require('has-symbols'); hasSymbols() === true; // if the environment has native Symbol support. Not polyfillable, not forgeable. var hasSymbolsKinda = require('has-symbols/shams'); hasSymbolsKinda() === true; // if the environment has a Symbol sham that mostly follows the spec. ``` ## Supported Symbol shams - get-own-property-symbols [npm](https://www.npmjs.com/package/get-own-property-symbols) | [github](https://github.com/WebReflection/get-own-property-symbols) - core-js [npm](https://www.npmjs.com/package/core-js) | [github](https://github.com/zloirock/core-js) ## Tests Simply clone the repo, `npm install`, and run `npm test` [1]: https://npmjs.org/package/has-symbols [2]: http://versionbadg.es/ljharb/has-symbols.svg [3]: https://travis-ci.org/ljharb/has-symbols.svg [4]: https://travis-ci.org/ljharb/has-symbols [5]: https://david-dm.org/ljharb/has-symbols.svg [6]: https://david-dm.org/ljharb/has-symbols [7]: https://david-dm.org/ljharb/has-symbols/dev-status.svg [8]: https://david-dm.org/ljharb/has-symbols#info=devDependencies [9]: https://ci.testling.com/ljharb/has-symbols.png [10]: https://ci.testling.com/ljharb/has-symbols [11]: https://nodei.co/npm/has-symbols.png?downloads=true&stars=true [license-image]: http://img.shields.io/npm/l/has-symbols.svg [license-url]: LICENSE [downloads-image]: http://img.shields.io/npm/dm/has-symbols.svg [downloads-url]: http://npm-stat.com/charts.html?package=has-symbols