Array random Sort Shuffle

1,functionRandomsort (arr, newArr) {//if the length value of arr in the original array equals 1 o'clock, the original array has only one value and its key value is 0//also push this value to the new array newarrif(Arr.length = = 1) {Newarr.push (arr[0]); returnNEWARR;//equivalent to recursive exit 　　 }//Take out a random number based on the original array length 　　 varRandom = Math.ceil (Math.random () * arr.length)-1; //push a random value from the original array to the new array newarr 　　 Newarr.push (Arr[random]); //Corresponding array entry for delete original array arrArr.splice (random,1); returnRandomsort (arr, NEWARR); }2.functionRandomsort (A, b) {returnMath.random () > 0.5? -1:1; }vararr = [1,2,3,4,5,6,7,8,9]; Arr.sort (randomsort);

Array random Sort Shuffle