在网页上显示一个钟表(yyyy-mm-dd hh:mm:ss)

编辑您的代码：

<html>

<head>

function startTime()

{

var today=new Date()

var yy=today.getFullYear()

var mm=today.getMonth()+1

var dd=today.getDate()

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=yy+"-"+mm+"-"+dd+" "+h+":"+m+":"+s

t=setTimeout('startTime()',500)

}

function checkTime(i)

{

if (i<10)

{

i="0" + i

}

return i

}

</script>

</head>

</body>

</html>

查看结果:

2015-1-13 00:00:00