具體如下：
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"">
<html xmlns="">
<head>
<meta http-equiv="content-type" content="text/html;charset=gb2312" />
<title>JS小測(cè)試</title>
</head>
<body>
<style type="text/css">
#time
{
background-color:#eee;
}
</style>
<script type="text/javascript">
function showtime()
{
var myDate = new Date();
document.getElementById("time").innerHTML = myDate.getHours()
+ "時(shí)" + myDate.getMinutes() + "分"
+ myDate.getSeconds() + "秒" ;
setTimeout("showtime()",1000);
}
</script>
<div id="time">
<script type="text/javascript">showtime();</script>
</div>
</body>
</html>