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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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2 |
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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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4 |
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5 |
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6 | ## Install
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7 |
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8 | ```
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9 | $ npm install --save number-is-nan
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10 | ```
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11 |
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12 |
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13 | ## Usage
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14 |
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15 | ```js
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16 | var numberIsNan = require('number-is-nan');
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17 |
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18 | numberIsNan(NaN);
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19 | //=> true
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20 |
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21 | numberIsNan('unicorn');
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22 | //=> false
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23 | ```
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24 |
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25 |
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26 | ## License
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27 |
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28 | MIT © [Sindre Sorhus](http://sindresorhus.com)
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