var a = [];var len =19999;for(var l=len;l--;){    a.push(l);}a.sort()var t1 = new Date;//双冒泡排序for(var i=0;i
     
      a[i+1]){        temp = a[i];        a[i] = a[i+1];        a[i+1] = temp;    }    for(var k = i;k
      
       a[k]){            temp = a[k];            a[k] = a[i];            a[i] = temp;        }        if(a[i+1]>a[k]){            temp = a[k];            a[k] = a[i+1];            a[i+1] = temp;        }        }};/* //冒泡排序 for(var i=0;i
       
        a[k+1]){            temp = a[k+1];            a[k+1] = a[k];            a[k] = temp;        }        }};*/var t2 = new Date;console.log(t2.getTime()-t1.getTime());
       
      
     

 直接上代码了，共大家参考，测试了下，双冒泡比单冒泡快一倍的速度，希望对各位有用哦！