| # is-buffer [![travis][travis-image]][travis-url] [![npm][npm-image]][npm-url] [![downloads][downloads-image]][downloads-url] [![javascript style guide][standard-image]][standard-url] |
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| [travis-image]: https://img.shields.io/travis/feross/is-buffer/master.svg |
| [travis-url]: https://travis-ci.org/feross/is-buffer |
| [npm-image]: https://img.shields.io/npm/v/is-buffer.svg |
| [npm-url]: https://npmjs.org/package/is-buffer |
| [downloads-image]: https://img.shields.io/npm/dm/is-buffer.svg |
| [downloads-url]: https://npmjs.org/package/is-buffer |
| [standard-image]: https://img.shields.io/badge/code_style-standard-brightgreen.svg |
| [standard-url]: https://standardjs.com |
| |
| #### Determine if an object is a [`Buffer`](http://nodejs.org/api/buffer.html) (including the [browserify Buffer](https://github.com/feross/buffer)) |
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| [![saucelabs][saucelabs-image]][saucelabs-url] |
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| [saucelabs-image]: https://saucelabs.com/browser-matrix/is-buffer.svg |
| [saucelabs-url]: https://saucelabs.com/u/is-buffer |
| |
| ## Why not use `Buffer.isBuffer`? |
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| This module lets you check if an object is a `Buffer` without using `Buffer.isBuffer` (which includes the whole [buffer](https://github.com/feross/buffer) module in [browserify](http://browserify.org/)). |
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| It's future-proof and works in node too! |
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| ## install |
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| ```bash |
| npm install is-buffer |
| ``` |
| |
| ## usage |
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| ```js |
| var isBuffer = require('is-buffer') |
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| isBuffer(new Buffer(4)) // true |
| |
| isBuffer(undefined) // false |
| isBuffer(null) // false |
| isBuffer('') // false |
| isBuffer(true) // false |
| isBuffer(false) // false |
| isBuffer(0) // false |
| isBuffer(1) // false |
| isBuffer(1.0) // false |
| isBuffer('string') // false |
| isBuffer({}) // false |
| isBuffer(function foo () {}) // false |
| ``` |
| |
| ## license |
| |
| MIT. Copyright (C) [Feross Aboukhadijeh](http://feross.org). |