javascript 冒泡排序

標籤：class   func   turn   ons   number   pre   冒泡排序   ams   cti   

<script>    var arr = [3, 1, 4, 6, 5, 7, 2];    function bubbleSort(arr) {        var len = arr.length;        for (var i = len; i >= 2; --i) {            for (var j = 0; j < i - 1; j++) {                if (arr[j + 1] < arr[j]) {                    var temp;                    temp = arr[j];                    arr[j] = arr[j + 1];                    arr[j + 1] = temp;                }            }        }        return arr;    }    function bubbleSort2(arr) {        var len = arr.length;        for (var i = 0; i <= len - 1; i++) {            for (var j = 0; j <= len - i; j++) {                if (arr[j + 1] < arr[j]) {                    var temp;                    temp = arr[j];                    arr[j] = arr[j + 1];                    arr[j + 1] = temp;                }            }        }        return arr;    }    console.log(bubbleSort(arr));    console.log(bubbleSort2(arr));</script>

javascript 冒泡排序