<html> <head> <meta http-equiv="Content-Type" content="text/html; charset=GB2312" /> <title>Test</title> <mce:script type="text/javascript"><!-- window.onbeforeunload=function(event) { //if(!event) // event = window.event; var event = window.event || event; alert(event+","+event.clientX+","+event.clientY+","+event.altKey+","+document.body.clientWidth+","+document.body.clientHeight); if (event.clientX > document.body.clientWidth && event.clientY<0 || event.altKey) { alert("关闭"); } else if (event.clientY > document.body.clientHeight || event.altKey) { alert("btn"); } } // --></mce:script> </head> <body> </body> </html> 这部分为监听浏览器关闭事件的代码 但是还存在很多问题,像浏览器间的不兼容问题,如何监听进程关闭、选项卡关闭等问题,小生才书学短,也没有深究,希望看到的、路过的如有高见,可以探讨探讨!