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HTML 捕获window.close() 并做窗口关闭前的处理工作

2014-05-15 13:09 387 查看
转自:http://www.xinotes.net/notes/note/261/

<html>
<head>
<script language="JavaScript">
function beforeunload(ev) {
var event = ev || window.event;
event.returnValue = "Are you sure you want to close this window? "
+ "All of your work will be lost if you close";
}
</script>
</head>
<body onbeforeunload="beforeunload(event);">
Try close this window.
</body></html>


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