js冒泡排序

var aa=[15,65,51,23,46,54,33];function mp(arr){var len=arr.length,temp,j;           

while(len>0){                

for(j=0;jarr[j+1]){

   temp=arr[j];

   arr[j]=arr[j+1];

   arr[j+1]=temp;

}

}

len--;

}

return arr;

}

console.log("before:\n"+ aa);

console.log("after:\n"+ mp(aa));