597 B
597 B
number-is-nan
ES6
Number.isNaN()
ponyfill
Ponyfill: A polyfill that doesn't overwrite the native method
Install
$ npm install --save number-is-nan
Usage
var numberIsNan = require('number-is-nan');
numberIsNan(NaN);
//=> true
numberIsNan('unicorn');
//=> false
License
MIT © Sindre Sorhus