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 }