甘肃庆阳 厕所革命:网页编程高手来看看

来源:百度文库 编辑:高校问答 时间:2024/05/03 00:14:08
<style type="text/css">
<!--
body {
background-color: #FCF5EB;
topmargin:0;
leftmargin:0;
}
-->
</style>
<DIV id=demo style="OVERFLOW: hidden; WIDTH: 340px">

<TABLE border=0 align=left cellPadding=0 cellspacing="0" cellspace="0">
<TBODY>
<TR>
<TD id=demo1 vAlign=top>
<table width="100%" border="0" cellpadding="1" cellspacing="2" bgcolor="#FCF5EB">
<tr align="center">

<td width="90"><a href="#" target="_blank"><img src="#" width="115" height="55" border="0" class=box></a></td>

<td width="90"><a href="#" target="_blank"><img src="#" width="115" height="55" border="0" class=box></a></td>

<td width="90"><a href="#" target="_blank"><img src="#" width="115" height="55" border="0" class=box></a></td>

<td width="90"><a href="#" target="_blank"><img src="#" width="115" height="55" border="0" class=box></a></td>

<td width="90"><a href="#" target="_blank"><img src="#" width="115" height="55" border="0" class=box></a></td>

<td width="90"><a href="#" target="_blank"><img src="#" width="115" height="55" border="0" class=box></a></td>

<td width="90"><a href="#" target="_blank"><img src="#" width="115" height="55" border="0" class=box></a></td>

</tr>
</table>
</TD>
<TD vAlign=top bgcolor="#FCF5EB" id=demo2></TD>
</TR>
</TBODY>
</TABLE>
</DIV>
<DIV id=demo3 style="OVERFLOW: hidden; WIDTH: 340px"></DIV>
<SCRIPT>
var speed=40
demo2.innerHTML=demo1.innerHTML
function Marquee(){
if(demo2.offsetWidth-demo.scrollLeft<=0)
demo.scrollLeft-=demo1.offsetWidth
else{
demo.scrollLeft++
}
}
var MyMar=setInterval(Marquee,speed)
demo.onmouseover=function() {clearInterval(MyMar)}
demo.onmouseout=function() {MyMar=setInterval(Marquee,speed)}

</SCRIPT>

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上面这段代码中,哪块是控制循环的次数的?
我这样写完后,它自己滚动一圈后就停下了

在函数体内要调用setInterval(函数,时间) 来重复调用自身

你的代码只是启动了函数,却没有自调

ps + 强调 : 要在重复调用的函数体内加入setInterval(Marquee(),1000);

例如:
<script LANGUAGE="JavaScript">
function onadd(){
myframe.location.replace("http://hi.baidu.com/[YourSpaceName^_^]");
setTimeout("onadd()",2000);
}</script>
</head>
<body onload="onadd()">

功能不用说了吧~~ ^_______^

function Marquee(){
if(demo2.offsetWidth-demo.scrollLeft<=0)
demo.scrollLeft-=demo1.offsetWidth
else{
demo.scrollLeft++
}
这里

if(demo2.offsetWidth-demo.scrollLeft<=0)
demo.scrollLeft-=demo1.offsetWidth
else{
demo.scrollLeft++
}

是这块

这个没有循环次数,而是无限滚动。