洗牌算法
<script> let arr = [1, 2, 3, 4, 5, 6, 7, 8, 9]; let cloneArray; function getSort(arr) { cloneArray = arr.concat(); for (let i = 0; i < cloneArray.length; i++) { let index = Math.floor(Math.random() * cloneArray.length); let temp = cloneArray[index]; cloneArray[index] = cloneArray[i]; cloneArray[i] = temp; } return cloneArray; } console.log(getSort(arr)); </script>