弹出框页面跳转或者关闭效果

感谢群里的KB同学，好基友一辈子

 

 1 window.onbeforeunload = function(){

 2     var b;

 3     if(!b){

 4         t = setTimeout("jump()",150);

 5     }

 6     return "确定要离开这鸟页面？";

 7 };

 8 

 9 function jump(){

10     window.onbeforeunload = null;

11     location.href = "http://www.baidu.com/";

12     b = true;//解决IE下的BUG

13 }