| Server IP : 185.61.154.36 / Your IP : 216.73.216.99 Web Server : Apache System : Linux host67.registrar-servers.com 4.18.0-553.54.1.lve.el8.x86_64 #1 SMP Wed Jun 4 13:01:13 UTC 2025 x86_64 User : gettoplisting ( 12043) PHP Version : 7.2.34 Disable Function : NONE MySQL : OFF | cURL : ON | WGET : ON | Perl : ON | Python : ON | Sudo : OFF | Pkexec : OFF Directory : /lib/node_modules/npm/node_modules/number-is-nan/ |
Upload File : |
# number-is-nan [](https://travis-ci.org/sindresorhus/number-is-nan)
> ES2015 [`Number.isNaN()`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Number/isNaN) [ponyfill](https://ponyfill.com)
## Install
```
$ npm install --save number-is-nan
```
## Usage
```js
var numberIsNan = require('number-is-nan');
numberIsNan(NaN);
//=> true
numberIsNan('unicorn');
//=> false
```
## License
MIT © [Sindre Sorhus](http://sindresorhus.com)