ES2015 (ES6) Number.isInteger polyfill
npm install is-integerES2015 (ES6) [Number.isInteger][isInteger] polyfill implemented in
ES3.
``js`
var isInteger = require("is-integer");
isInteger("hello") // -> false
isInteger(4) // -> true
isInteger(4.0) // -> true
isInteger(4.1) // -> false
> Determines whether the provided value is an integer.
See [Number.isInteger][isInteger].
[isInteger]: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Number/isInteger "Number.isInteger - MDN Documentation"
```
npm install is-integer