Creating a shuffle function for arrays can be complicated.

Here’s a 4 liner function for you that makes it really easy.

function shuffle(o){
  for(var j, x, i = o.length; i; j = Math.floor(Math.random() * i), x = o[--i], o[i] = o[j], o[j] = x);
  return o;
}

shuffle(myArray);

Related External Links:

• Stack Overflow - how-can-i-shuffle-an-array-in-javascript