test

<script src='https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.5/lodash.min.js'></script>

Compare the new ES6 spread operator with the traditional concat() method and push

Compare the new ES6 spread operator with the traditional concat() method and push

Compare the new ES6 spread operator with the traditional concat() method and push

Object lookup performance

Tests adding an element to a map vs an immutable js map.

FizzBuzz

create an array with all values "" same length than the original array