Given a non-negative integer, return an array containing a list of independent digits in reverse order.
Example:
348597 => [7,9,5,8,4,3]
Your Test Cases:
Test.assertSimilar(digitize(35231),[1,3,2,5,3]);
where By
http://www.codewars.com/kata/5583090cbe83f4fd8c000051/train/javascript