function randomSort(array){ var x=array.sort(function(a,b){ return Math.random()>0.5?1:-1; }); return x; }
function randomSort(array) { var n = array.length, t, i; while (n) { i = Math.random() * n-- | 0; t = array[n]; array[n] = array[i]; array[i] = t; } return array; }
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