Good,True and Beautiful

Good Good Study, Day Day Up

导航

交换两个值

//方法一:
var a=-2,b=-3;a=a+b;b=a-b;a=a-b; // console.log(a+','+b);

//方法二:
var a=-2,b=-3;a=a^b;b=a^b;a=a^b; // console.log(a+','+b);

  

posted on 2011-10-18 19:22  Simple Love  阅读(132)  评论(0编辑  收藏  举报