You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
29 lines
559 B
29 lines
559 B
4 years ago
|
# 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)
|