數組隨機排序

方法一： var arr = [1,2,3,4,5,6,7,8,9,10]; function randSort1(arr){ for(var i = 0,len = arr.length;i < len; i++ ){ var rand = parseInt(Math.random()*len); var temp = arr[rand]; arr[rand] = arr[i]; arr[i]

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