JavaScript教程之范例

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JavaScript教程之范例

范例
下面是一个时钟显示的JavaScript文档。在文档中用了非常相关javascript教程多的函数。
Test4_1.htm

<html>
<head>
<style TYPE="text/css">
<style>
</style>
<title>时钟</title>
<script LANGUAGE="JavaScript">
function showClock() {
}
function hideClock() {
}
var timerID = null
var timerRunning = false
function stopClock() {
if(timerRunning)
clearTimeout(timerID);
timerRunning = false
document.clock.face.value = "";
}
function showTime() {
var now = new Date();
var year = now.getYear();
var month = now.getMonth() + 1;
var date = now.getDate();
var hours = now.getHours();
var mins = now.getMinutes();
var secs = now.getSeconds();
var timeVal = "";
timeVal += ((hours <= 12) ? hours : hours - 12);
timeVal += ((mins < 10) ? ":0" : ":") + mins;
timeVal += ((secs <= 10) ? ":0" : ":") + secs;
timeVal += ((hours < 12) ? "AM" : "PM");
timeVal += ((month < 10) ? " on 0" : " on ") + month + "-";
timeVal += date + "-" + year;
document.clock.face.value = timeVal;
timerID = setTimeout("showTime()", 1000);
timerRunning = true
}
function startClock() {
stopClock();
showTime();
}
　
function windowOpener( indexnum ){
var loadpos="date.html"+"#"+indexnum;
controlWindow=window.open(loadpos,"date","toolbar=no,location=no,
directories=no,status=no,menubar=no,scrollbars=yes,resizable=yes,
width=620,height=400");
}
</script>
</head>
<body onLoad="startClock()" >
<p align="center"><big><span style="background-color: rgb(45,45,45)">
<font face="Arial">form</font>   <font face="宋体">时钟</font>
</span></big></p>
<p align="center">　</p>
<div align="center"><center>
<table border="0" cellspacing="0" cellpadding="0">
<tr>
<td width="100%"><form NAME="clock" onSubmit="0">
<div align="center"><center><p><input TYPE="text" NAME="face" size="20"
VALUE style="background-color: rgb(192,192,192)"> </p>
</center></div>
</form>
</td>
</tr>
</table>
</center></div>
</body>
</html>

　　本讲介绍了基于对象的JavaScript中常用内部对象属性、方法的使用。

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