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在网页中加入一个电子时钟还是蛮时尚的，重要运用JS函数调用已做好的图片。代码如下：
<title>电子时钟</title>
<script language="javascript">
<!--//
img = new Array()
for(var i=0; i <= 14; i++) {
img[i] = new Image()
}
img[1].src = "dg0.gif"
img[2].src = "dg1.gif"
img[3].src = "dg2.gif"
img[4].src = "dg3.gif"
img[5].src = "dg4.gif"
img[6].src = "dg5.gif"
img[7].src = "dg6.gif"
img[8].src = "dg7.gif"
img[9].src = "dg8.gif"
img[10].src = "dg9.gif"
img[11].src = "dgon.gif"
img[12].src = "dgoff.gif"
img[13].src = "dgam.gif"
img[14].src = "dgpm.gif"
var base = "dg"
var space = "space.gif"
var per = false
function go() {
per = true
start()
}
function start() {
if(per == true) {
var now = new Date()
var hours = now.getHours();
var ampm = (hours < 12) ? "am" : "pm"
hours = (hours > 12) ? (hours - 12) + "" : hours + ""
hours = (hours == "0") ? "12" : hours
hours = (hours < 10) ? "0" + hours : hours + ""
var minutes = now.getMinutes();
minutes = (minutes < 10) ? "0" + minutes : minutes + ""
var seconds = now.getSeconds();
seconds = (seconds < 10) ? "0" + seconds : seconds + ""
document.one.src = (hours.charAt(0)=="0") ? space : add(hours.charAt(0))
document.two.src = add(hours.charAt(1))
document.three.src = (now.getSeconds() % 2) ? add("on") : add("off")
document.four.src = add(minutes.charAt(0))
document.five.src = add(minutes.charAt(1))
document.six.src = add(ampm)
setTimeout("start()",1000)
}
}
function add(it) {
return base + it + ".gif"
}
//-->
</script>
</head>
<body bgcolor="#CCCCCC" onLoad="go()">
<br>
<br>
<center>
<table>
<tr>
<td bgcolor=black align="center" valign="middle" height=21>
<img src="space.gif" width=16 height=21 alt="clock" name="one">
<img src="space.gif" width=16 height=21 alt="clock" name="two">
<img src="space.gif" width=14 height=21 alt="clock" name="three">
<img src="space.gif" width=16 height=21 alt="clock" name="four">
<img src="space.gif" width=16 height=21 alt="clock" name="five">
<img src="space.gif" width=16 height=21 alt="clock" name="six">
</td>
</tr>
</table>
</body>
点这里效果演示：
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电子时钟
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