Return the maximum safe integer in JavaScript.
npm install max-safe-int> Return the maximum safe integer in JavaScript.

```
$ npm install --save max-safe-int
`js``
var MAX_SAFE_INT = require('max-safe-int');
// => 9007199254740991
- max-int - Return the maximum integer in JavaScript.
- max-array-length - Return the maximum length of array in JavaScript.