倒计时关闭网页
<html><title>倒计时关闭网页</title>
<head>
<script language="javascript">
var cTime=3;
function TimeClose()
{
window.setTimeout('TimeClose()',1000);
if(cTime<=0)
{
window.opener =null;
window.close();
}
this.ShowTime.innerHTML="倒计时"+cTime+"秒后关闭当前窗口";
cTime--;
}
function CloseWindow_Click()
{
window.close();
}
function Close()
{
var ua=navigator.userAgent
var ie=navigator.appName=="Microsoft Internet Explorer"?true:false
if(ie)
{
var IEversion=parseFloat(ua.substring(ua.indexOf("MSIE ")+5,ua.indexOf(";",ua.indexOf("MSIE "))))
if(IEversion< 5.5)
{
var str = '<object id=noTipClose classid="clsid:ADB880A6-D8FF-11CF-9377-00AA003B7A11">'
str += '<param name="Command" value="Close"></object>';
document.body.insertAdjacentHTML("beforeEnd", str);
document.all.noTipClose.Click();
}
else
{
window.opener =null;
window.close();
}
}
else
{
window.close()
}
}
</script>
</head>
<body >
<div id="ShowTime">倒计时3秒后关闭当前窗口</div>
<input type="button" name="CloseWindow"value="立即关闭当前网页">
</body>
</html>
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