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Posted By

Leech on 07/21/06


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arrays


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Shuffler v1.0

 / Published in: JavaScript
 

URL: http://jsfromhell.com/array/shuffle

Scrambles the elements of an array. Created: 2005.11.03

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  1. /**************************************
  2. * Jonas Raoni Soares Silva
  3. * http://www.joninhas.ath.cx
  4. **************************************/
  5.  
  6. shuffle = function(v){ //v1.0
  7.     for(var j, x, i = v.length; i; j = parseInt(Math.random() * i), x = v[--i], v[i] = v[j], v[j] = x);
  8.     return v;
  9. };

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Posted By: gfazioli on February 16, 2009

You can use:

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

With Math.floor() is more fast than parseInt()

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