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fliptopbox/Array.shuffleAndClip()

Last active August 25, 2015 21:37
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  1. fliptopbox renamed this gist Aug 25, 2015. 1 changed file with 0 additions and 0 deletions.
    0 Javascript: Array.shuffleAndClip → Array.shuffleAndClip()
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    File renamed without changes.
  2. fliptopbox revised this gist Aug 25, 2015. No changes.
  3. fliptopbox created this gist Aug 25, 2015.
    12 changes: 12 additions & 0 deletions Javascript: Array.shuffleAndClip
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    Original file line number Diff line number Diff line change
    @@ -0,0 +1,12 @@
    Array.prototype.shuffleAndClip = function (len) {
    var array = this;
    if(len && array.length && len > array.length - 1) {
    len = null;
    }
    for(var rnd, value, i = array.length; i;
    rnd = Math.floor(Math.random() * i),
    value = array[--i],
    array[i] = array[rnd],
    array[rnd] = value);
    return len ? array.slice(0, len) : array;
    }