在网页上显示系统时间

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F#Office EXT Microsoft .net

<html>
<head>
<title>
Show the current time
</title>
<script>
var temp = null;
var timeValue = null;
function divCon()
{
temp = document.getElementById('thetime');
temp.innerText = "Time: " + timeValue;

}
var timerID = null;
var timerRunning = false;
function stopclock()
{
if(timerRunning)
{
clearTimeout(timerID);
}
timerRunning = false;
}
function startclock()
{
stopclock();
showtime();
}

function showtime()
{
var now = new Date(); //Get the current time
var hours = now.getHours(); //Get the current hours
var minutes = now.getMinutes(); //Get the current minutes
var seconds = now.getSeconds(); //Get the current seconds
timeValue = "" +((hours>12)?"PM ":"AM "); //以12?制?示系???
timeValue += ((hours>12)?hours-12:hours);
timeValue += ((minutes<10)?":0":":") + minutes;　　　 //以双位显示
timeValue += ((seconds<10)?":0":":") + seconds;　　　 //以双位显示
divCon();
timerID = setTimeout("showtime()",1000); //间隔1000毫秒，即1秒
timerRunning = true;
}
</script>
</head>
<body onload="divCon();startclock()">
<center>
<h1>TIME</h1>
<form name = "clock" id = "clock">
<div name="thetime" id ="thetime"></div>
</form>
</center>
</body>
</html>

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