javascript中五种常见的排序之冒泡排序

 1 var bubbleSort = function(arr){
 2     
 3         for(var i = 0;i<arr.length-1;i++){
 4             for(var j = 0;j<arr.length-1-i;j++){
 5                 if(arr[j]>arr[j+1]){
 6                     var k = arr[j];
 7                     arr[j] = arr[j+1];
 8                     arr[j+1] = k;
 9                 }
10             }
11         }
12         console.log(arr);
13         
14     }
15     bubbleSort([2,5,6,3,4,6,64,34,69]);