JavaScript冒泡排序-CFANZ编程社区

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    <title>Document</title>
    <script>
        var arr = [5,4,3,2,1];
        for(var i = 0 ; i < arr.length-1;i++){//外层循环
            for (var j = 0; j <= arr.length - i - 1; j++){//里面循环
                if(arr[j] > arr[j + 1]){
                    var temp = arr[j];
                    arr[j] = arr[j+1];
                    arr[j+1] = temp;
                }
            }
           
        }
        console.log(arr);
    </script>
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