HTML 捕获window.close() 并做窗口关闭前的处理工作

时间：2014-05-15 18:08:09 收藏：0 阅读：474

转自：http://www.xinotes.net/notes/note/261/

 1 <html>
 2 <head>
 3 <script language="JavaScript">
 4 function beforeunload(ev) {
 5     var event = ev || window.event;
 6     event.returnValue = "Are you sure you want to close this window? "
 7                       + "All of your work will be lost if you close";
 8 }
 9 </script>
10 </head>
11 <body onbeforeunload="beforeunload(event);">
12 Try close this window.
13 </body></html>

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