JavaScript显示当前时间的代码
方法一：
<script type="text/javascript">
function startTime()
{
//获取当前系统日期
var today=new Date()
var h=today.getHours()
var m=today.getMinutes()
var s=today.getSeconds()
//调用checkTime（）函数，小于十的数字前加0
m=checkTime(m)
s=checkTime(s)
//s设置层txt的内容
document.getElementById('txt').innerHTML=h+":"+m+":"+s
//过500毫秒再调用一次
t=setTimeout('startTime()',500)
//小于10，加0
function checkTime(i)
{
if(i<10)
{i="0"+i}
return i
}
}
</script>
<body onload="startTime()">
<div id="txt"></div>
方法二：
<script type="text/javascript">
window.onload = function() {
var show = document.getElementById("show");
setInterval(function() {
var time = new Date();
// 程序计时的月从0开始取值后+1
var m = time.getMonth() + 1;
var t = time.getFullYear() + "-" + m + "-"
+ time.getDate() + " " + time.getHours() + ":"
+ time.getMinutes() + ":" + time.getSeconds();
show.innerHTML = t;
}, 1000);
};
</script>
<div id="show"></div>
http://blog.csdn.net/ls_man/article/details/7160945
http://www.jb51.net/article/70372.htm
