<!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
<title></title>
<meta charset="utf-8" />
</head>
<body onload="startTime()">
<div id="txt"></div>
</body>
</html>
<script>
function startTime(){
var today = new Date();
var h = today.getHours();
var m = (Array(2).join(0)+ today.getMinutes()).slice(-2);
var s = (Array(2).join(0)+today.getSeconds()).slice(-2);
document.getElementById("txt").innerHTML = h + ":" + m + ":" + s;
var t = setTimeout('startTime()', 500);
}
</script>效果图如下：
请大家多多指教。