冒泡排序

function bubbleSort(ary) {

for(var i =0;i

var flag = false;

for(var j = 0;j

if(ary[j]>ary[j+1]){

ary[j]=ary[j]+ary[j+1];

ary[j+1]=ary[j]-ary[j+1];

ary[j]  =ary[j]-ary[j+1];

flag = true;

}

}

if(flag){

flag =false;

}else {

break;

}

}

return ary;

}

var arr=[2,51,3,1,7,8,78,89];

console.log(bubbleSort(arr));