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readme.md

1# number-is-nan [![Build Status](https://travis-ci.org/sindresorhus/number-is-nan.svg?branch=master)](https://travis-ci.org/sindresorhus/number-is-nan)
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3> ES2015 [`Number.isNaN()`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Number/isNaN) [ponyfill](https://ponyfill.com)
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5
6## Install
7
8```
9$ npm install --save number-is-nan
10```
11
12
13## Usage
14
15```js
16var numberIsNan = require('number-is-nan');
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18numberIsNan(NaN);
19//=> true
20
21numberIsNan('unicorn');
22//=> false
23```
24
25
26## License
27
28MIT © [Sindre Sorhus](http://sindresorhus.com)
29