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指令碼代碼為：
"<script type="text/javascript">
function startTime()
{
var today = new Date();
var h = today.getHours();
var m = today.getMinutes();
var s = today.getSeconds();
//如果返回的數字小於10，那在它前邊加零。
m = checkTime(m); //檢驗分鐘。
s = checkTime(s);
//插入顯示。
document.getElementById('txt').innerHTML=h + ":" + m + ":" + s;
t = setTimeout('startTime()',500); //重新整理。
}
function checkTime(i)
{
if(i < 10)
{
i = "0" + i; //小於10則加上“0”。
}
}
</script>"
在body中這樣寫：
"<body onload = "startTime()">
<div id = "txt"></div>
</body>"
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