这里起主要作用的是setTimeout这个函数。
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="content-type" content="text/html;charset=gb2312" /><title>JS小测试</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() + "时" + myDate.getMinutes() + "分" + myDate.getSeconds() + "秒" ;setTimeout("showtime()",1000);
/ }
</script><div id="time"><script type="text/javascript">showtime();</script></div></body>
</html>
