使用Javascript显示时间

how to use javascript show the time?

code:

<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()',500)
}

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

<body onload="startTime()">
<div id="txt"></div>
</body>
</html>

原文地址:https://www.cnblogs.com/hnrainll/p/2072625.html