请教一个很菜的问题！

[stone8920738]

偶见到很多网页上都有那种自下而上或自上而下自动滚动的文本，不是整个网页都滚动的那种，而是在一个固定的文本框内文字循环滚动的。偶不知道是怎么弄的，请各位指点指点，小弟不胜感激！

[wanghr100]

http://expert.csdn.net/Expert/topic/2440/2440381.xml?temp=.5446131

[iinohk]

meizz(梅花雪)的星星剩四棵啦=口=||

[chocolateboy]

http://sr2.chemnet.com.cn/help/tech/html/marquee.html

[xzq686]

下面一个例子￣！
网上多的是呀！是用js实现的。还可以用html的marquee。下面的是JS
<script>
var marqueeContent=new Array(); //定义一个数组，用来存放显示内容
marqueeContent[0]='<A href="#" onclick="reinitMarquee()">刷新最新列表</FONT></A>';
marqueeContent[1]='<a href=http://www.blueidea.com/updatelist.asp target=_blank>站点最新更新六十条</a>';
marqueeContent[2]='<A href=http://www.blueidea.com/tech/graph/2003/875.asp target=_blank>羽毛效果制作教程</a>';
marqueeContent[3]='<A href=http://www.blueidea.com/tech/program/2003/831.asp target=_blank>MySQL＆ASP</a>';
marqueeContent[4]='<A href=http://www.blueidea.com/tech/web/2003/874.asp target=_blank>初步了解CSS3</a>';
marqueeContent[5]='<A href=http://www.blueidea.com/tech/graph/2003/864.asp target=_blank>Fireworks MX 2004执行面版操作</a>';
marqueeContent[6]='<A href=http://www.blueidea.com/tech/graph/2003/872.asp target=_blank>Fireworks MX 2004等高渐变填充</a>';
marqueeContent[7]='<A href=http://www.blueidea.com/photo/gallery/2003/873.asp target=_blank>瓶子里的花</a>';
marqueeContent[8]='<A href=http://www.blueidea.com/tech/graph/2003/871.asp target=_blank>Fireworks MX 实现选项卡式效果</a>';
marqueeContent[9]='<A href=http://www.blueidea.com/photo/gallery/2003/870.asp target=_blank>情侣：黑白的爱情空气</a>';
marqueeContent[10]='<A href=http://www.blueidea.com/tech/graph/2003/866.asp target=_blank>制作 MAC 风格的苹果标志</a>';
marqueeContent[11]='<A href=http://www.blueidea.com/tech/graph/2003/868.asp target=_blank>蛋壳制作及破壳而出的人物合成</a>';

var marqueeInterval=new Array(); //定义一些常用而且要经常用到的变量
var marqueeId=0;
var marqueeDelay=4000;
var marqueeHeight=16;

//接下来的是定义一些要使用到的函数
Array.prototype.random=function() {
var a=this;
var l=a.length;
for(var i=0;i<l;i++) {
var r=Math.floor(Math.random()*(l-i));
a=a.slice(0,r).concat(a.slice(r+1)).concat(a[r]);
}
return a;
}
function initMarquee() {
marqueeContent=marqueeContent.random();
var str='';
for(var i=0;i<Math.min(3,marqueeContent.length);i++) str+=(i>0?'　　':'')+marqueeContent[i];
document.write('<div id=marqueeBox style="overflow:hidden;height:'+marqueeHeight+'px" onmouseover="clearInterval(marqueeInterval[0])" onmouseout="marqueeInterval[0]=setInterval(\'startMarquee()\',marqueeDelay)"><div>'+str+'</div></div>');
marqueeId+=2;
if(marqueeContent.length>3)marqueeInterval[0]=setInterval("startMarquee()",marqueeDelay);
}
function reinitMarquee() {
js_scroll_content.src='scroll_content2.js';
marqueeContent=marqueeContent.random();
var str='';
for(var i=0;i<Math.min(3,marqueeContent.length);i++) str+=(i>0?'　　':'')+marqueeContent[i];
marqueeBox.childNodes[(marqueeBox.childNodes.length==1?0:1)].innerHTML=str;
marqueeId=2;
}
function startMarquee() {
var str='';
for(var i=0;(i<3)&&(marqueeId+i<marqueeContent.length);i++) {
str+=(i>0?'　　':'')+marqueeContent[marqueeId+i];
}
marqueeId+=3;
if(marqueeId>marqueeContent.length)marqueeId=0;

if(marqueeBox.childNodes.length==1) {
var nextLine=document.createElement('DIV');
nextLine.innerHTML=str;
marqueeBox.appendChild(nextLine);
}
else {
marqueeBox.childNodes[0].innerHTML=str;
marqueeBox.appendChild(marqueeBox.childNodes[0]);
marqueeBox.scrollTop=0;
}
clearInterval(marqueeInterval[1]);
marqueeInterval[1]=setInterval("scrollMarquee()",20);
}
function scrollMarquee() {
marqueeBox.scrollTop++;
if(marqueeBox.scrollTop%marqueeHeight==(marqueeHeight-1)){
clearInterval(marqueeInterval[1]);
}
}
initMarquee();
</script>

[meizz]

没那么复杂, HTML里有一个标签 marquee :

<marquee direction='up'>
aaaaaaaaaaaaaaa<br>
bbbbbbbbbbbbbbb<br>
ccccccccccccccc<br>
</marquee>

[cybernaute]

<marquee direction="up|down|right|left" scrolldelay="n" scrollamount="n" width="n"
height="n">marquee sample</marquee>