number-is-integer 
ES2015
Number.isInteger()ponyfill
Install
$ npm install --save number-is-integer
Usage
var numberIsInteger = require('number-is-integer');
numberIsInteger(1);
//=> true
numberIsInteger(1.5);
//=> false
Related
- is-safe-integer - ES2015
Number.isSafeInteger()ponyfill - number-is-float - Check if something is a float
License
MIT © Sindre Sorhus