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# 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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> 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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## Install |
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``` |
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$ npm install --save number-is-nan |
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``` |
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## Usage |
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```js |
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var numberIsNan = require('number-is-nan'); |
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numberIsNan(NaN); |
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//=> true |
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numberIsNan('unicorn'); |
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//=> false |
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``` |
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## License |
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MIT © [Sindre Sorhus](http://sindresorhus.com) |
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