1 <!DOCTYPE HTML>
2 <html>
3 <head>
4 <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
5 <title>计时器</title>
6 <script type="text/javascript">
7 var attime;
8 function clock(){
9 var time=new Date();
10 attime= add0(time.getHours())+":"+add0(time.getMinutes())+":"+add0(time.getSeconds());
11
12 setInterval(clock,100)
13 document.getElementById("clock").value = attime;
14 }
15 function add0(time){
16 if(time<10){
17 time = ""+"0"+time;
18 }
19 return time;
20 }
21 22 </script>
23 </head>
24 <body>
25 <form>
26 <input type="text" id="clock" size="50" />
27 </form>
28 </body>
29 </html>
