History

zhiyuanliu cb17bad1d4 activity visualize step one		2023-07-29 06:19:10 -07:00
..
index.js	activity visualize step one	2023-07-29 06:19:10 -07:00
license	activity visualize step one	2023-07-29 06:19:10 -07:00
package.json	activity visualize step one	2023-07-29 06:19:10 -07:00
readme.md	activity visualize step one	2023-07-29 06:19:10 -07:00

number-is-nan

ES2015 Number.isNaN() ponyfill

Install

$ npm install --save number-is-nan

var numberIsNan = require('number-is-nan');

numberIsNan(NaN);
//=> true

numberIsNan('unicorn');
//=> false