正文
HTML 捕获window.close() 并做窗口关闭前的处理工作
小程序：扫一扫查出行【扫一扫了解最新限行尾号】
复制小程序
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>
学习一下~！~
