浏览器刷新和关闭

var _beforeUnload_time = 0, _gap_time = 0;
var is_fireFox = navigator.userAgent.indexOf("Firefox")>-1;//是否是火狐浏览器
window.onunload = function (){
_gap_time = new Date().getTime() - _beforeUnload_time;
if(_gap_time <= 5)
$.post(pathName+"/back/bi!aaaa.s2?t="+_beforeUnload_time,{msg:"浏览器关闭",time:_gap_time},function(json){},"text");
else
$.post(pathName+"/back/bi!aaaa.s2?t="+_beforeUnload_time,{msg:"浏览器刷新",time:_gap_time},function(json){},"text");
}
window.onbeforeunload = function (){
_beforeUnload_time = new Date().getTime();
if(is_fireFox)//火狐关闭执行
$.post(pathName+"/back/bi!aaaa.s2?t="+_beforeUnload_time,{msg:"火狐关闭"},function(json){},"text");
};

转载http://www.cnblogs.com/gavin0517/p/5827405.html