日期:2014-05-16  浏览次数:20338 次

通过JavaScript实现一个动态时钟
<!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=utf-8" />
<title>动态时钟</title>
<script language="javascript">
	function displayTime(){
	  var today = new Date();//定义日期对象
	  var hours = today.getHours();
	  var minutes = today.getMinutes();
	  var seconds = today.getSeconds();
	  minutes = fixTime(minutes);
	  seconds = fixTime(seconds);
	  var the_time = hours + ":" + minutes + ":" + seconds;
	  window.document.the_form.showTime.value = the_time;//将时间设置到文本中
	  the_timeout = setTimeout("displayTime();",1000);//每一秒执行一次函数
	  
	  function fixTime(the_time){
		  if(the_time<10){
			the_time = "0"+the_time;
		  }
		  return the_time;
	  }
	}
</script>
</head>

<body onload="displayTime()">
    <form name="the_form">
    	<font face="Arial, Helvetica, sans-serif">当前时间:<input type="text" name="showTime" size="16" /></font>
    </form>
</body>
</html>