Shuffler //JavaScript Repository

Description

Scrambles the elements of an array.
Created: 2005.11.03

Code (Download)

//+ Jonas Raoni Soares Silva
//@ http://jsfromhell.com/array/shuffle [rev. #1]

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

Example (Example)

<script type="text/javascript">
//<![CDATA[

var a = [0, 1, 2, 3, 4, 5, 6, 7, 8, 9];
document.write("A = ", a.join(","), "<br />shuffle(A) = ", shuffle(a));

//]]>
</script>

Help

shuffle(vector: Array): Array

Returns an array with the values scrambled.

vector: array that will be scrambled

Rank (Votes: 466)