我想在网页中（客户端）嵌入一个如VB中的timer控件一样功能的定时器，请问有没有现成的控件或ASP自带的方法，谢谢！
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settimeout
1<html>
2<head>
3<title>开始</title>
4<meta content="Microsoft Visual Studio 6.0" name="GENERATOR"/>
5<link href="images/style.css" rel="stylesheet" type="text/css"/>
6<style>
7td{background-color:#FFFFFF;}
8</style>
9</head>
10<script language="JAVASCRIPT">
11
12var timerID = null
13var timerRunning = false
14
15function MakeArray(size) {
16this.length = size;
17for(var i = 1; i <= size; i++){
18this[i] = "";
19}
20return this;
21}
22
23function stopclock (){
24if(timerRunning)
25clearTimeout(timerID);
26timerRunning = false
27}
28
29function showtime (){
30var now = new Date();
31var year = now.getYear();
32var month = now.getMonth() + 1;
33var date = now.getDate();
34var hours = now.getHours();
35var minutes = now.getMinutes();
36var seconds = now.getSeconds();
37var day = now.getDay();
38Day = new MakeArray(7);
39Day[0]="星期天";
40Day[1]="星期一";
41Day[2]="星期二";
42Day[3]="星期三";
43Day[4]="星期四";
44Day[5]="星期五";
45Day[6]="星期六";
46var timeValue = "";
47timeValue += year + "年";
48timeValue += ((month < 10) ? "0" : "") + month + "月";
49timeValue += date + "日 ";
50timeValue += (Day[day]) + " ";
51timeValue += ((hours <= 12) ? hours : hours - 12);
52timeValue += ((minutes < 10) ? ":0" : ":") + minutes;
53timeValue += ((seconds < 10) ? ":0" : ":") + seconds;
54timeValue += (hours < 12) ? " AM" : " PM";
55document.all.clock.innerText = timeValue;
56timerID = setTimeout("showtime()",1000);
57timerRunning = true
58}
59
60function startclock () {
61stopclock();
62showtime()
63}
64
65</script>
66<body onload="startclock()">
67<p align="right" style="margin-right:0;margin-top:10%;">
68<font size="-1"><b>现在是 </b></font><input id="clock" name="clock" size="40" style="color:red;border:0"/>
69</p>
70</body>
71</html>
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//=====================================
// Class: JSTimer, interval is 0.1 second
// After each interval, the timer will triger the timer action
// Constructor: new JSTimer(timerAction)
// timerAction: js-statement when the timer trigered.
// Properties:
// .timerAction - js-statement when the timer trigered
// .index - the registered JSTimer index
// .timer - the system timer handler
// Methods:
// .start - start the timer triger
// .stop - stop the timer triger
//=====================================
var JSTimerRegister = new Array(); // A list of JSTimer object.
function JSTimer(timerAction){
this.timerAction = timerAction;
this.index = JSTimerRegister.length++;
this.timer = "";
this.stop = function(){
if(this.timer!="") window.clearInterval(this.timer);
this.timer = "";
};
this.start = function(){
if(this.timer!="")this.stop();
var statement = "eval(JSTimerRegister["+this.index+"].timerAction)";
this.timer = window.setInterval(statement, 100);
};
JSTimerRegister[this.index] = this;
}
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