javascript数字时钟 

<html>
<head>
<script type="text/javascript">
    function startTime()
    {  
    var today=new Date()
    var h=today.getHours()
    var m=today.getMinutes()
    var s=today.getSeconds()
    // add a zero in front of numbers<10
    m=checkTime(m)
    s=checkTime(s)
    document.getElementById('txt').innerHTML=h+":"+m+":"+s
    t=setTimeout('startTime()',1000)
    }

function checkTime(i)
{
    if (i<10) 
      {
        i="0" + i
    }
      return i
}
</script>
</head>

<body onload="startTime()">

    <div id="txt"></div>

</body>
</html>

 

posted @ 2015-04-24 10:25  juedi  阅读(146)  评论(0)  编辑  收藏  举报