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cocodrips/shuffle.coffee

Created June 17, 2013 20:27
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CoffeeScriptでshuffle
Raw
shuffle.coffee
shuffle = (array) ->
for i in [array.length-1..0]
j = Math.floor( Math.random() * (i + 1) )
[array[i], array[j]] = [array[j], array[i]]
return array
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