1、
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<title>counter</title>
<script language="javascript" type="text/JavaScript">
function Counter(nMax, nInterval) {
this.maxTime = nMax;
this.interval = nInterval;
this.objId = "timer";
this.obj = null;
this.num = this.maxTime;
this.timer = null;
this.start = function() {
this.obj = document.getElementById(this.objId);
if (this.num > 0)
setTimeout(this.run, this.interval * 1000);
};
this.run = function() {
if (myCounter.num > 0) {
myCounter.num--;
myCounter.obj.innerHTML = myCounter.num;
myCounter.timer = setTimeout(myCounter.run, myCounter.interval * 1000);
} else
clearTimeout(myCounter.timer);
};
this.show = function() {
document.write("<span id="+this.objId+">" + this.num + "</span>");
this.obj = document.getElementById(this.objId);
//alert(this.obj.innerHTML);
}
}
</script>
</head>
<body onload="myCounter.start();">
<script language="JavaScript" type="text/JavaScript">
var myCounter = new Counter(10, 1);
</script>
<p>
现在剩下
<script language="JavaScript" type="text/JavaScript">
myCounter.show();
</script>
秒钟!
</p>
</body>
</html>
2、
请等待<span id="dd">10</span>秒
<script type="text/javascript">
function run() {
var s = document.getElementById("dd");
if (s.innerHTML == 0) {
window.location.href = 'regform.shtml';
return false;
}
s.innerHTML = s.innerHTML * 1 - 1;
}
window.setInterval("run();", 1000);
</script>
3、
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<script type="text/javascript">
<!--
var duration = 9900;
var endTime = new Date().getTime() + duration + 100;
function interval() {
var n = (endTime - new Date().getTime()) / 1000;
if (n < 0)
return;
document.getElementById("timeout").innerHTML = n.toFixed(3);
setTimeout(interval, 10);
}
window.onload = function() {
setTimeout("window.location.href='http://www.17mm.net'", duration);
interval();
}
//-->
</script>
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<title>等待10秒</title>
</head>
<body>
<form id="form1" runat="server">
<div>
现在剩下 <span id="timeout">10.000</span> 秒后 将自动跳转
</div>
</form>
</body>
</html>
