在用户离开页面（刷新、后退、关闭等）时提示信息

来源：半月设计 发布人：GuoBar 发布时间：2005-9-23 16:07:43 人气： 所属栏目：网站制作-WEB

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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<html>
<head>
<title>Confirm Before Leave</title>
<script language="javascript" type="text/javascript"><!--
var pb_strConfirmCloseMessage;
var pb_blnCloseWindow = false;
pb_strConfirmCloseMessage ="您真的要离开本页吗?";
function ConfirmClose() {
window.event.returnValue = pb_strConfirmCloseMessage;
pb_blnCloseWindow = true;
}
function ShowConfirmClose(blnValue) {
if(blnValue) {
document.body.onbeforeunload = ConfirmClose;
} else {
document.body.onbeforeunload = null;
}
}
//-->
</script>
</head>
<body onload="ShowConfirmClose(true);">
<input type=button value="提示" onclick="ShowConfirmClose(true);">
<input type=button value="不提示" onclick="ShowConfirmClose(false);">
<input type=button value="测试刷新" onclick="window.location.reload();">
</body>
</html>

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生成时间:2006-5-27 2:00:17