本文提供了一个使用纯JavaScript实现的文字向左无缝滚动的示例代码。该示例通过动态调整元素的scrollLeft属性来达到平滑滚动的效果，并利用定时器控制滚动速度。同时，通过mouseover和mouseout事件暂停和恢复滚动，提升用户体验。
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>js文字向左无缝滚动</title>
</head>
<body>
<style type="text/css">
.qimo8{ overflow:hidden; width:815px;}
.qimo8 .qimo {/*width:99999999px;*/width:8000%; height:30px;}
.qimo8 .qimo div{ float:left;}
.qimo8 .qimo ul{float:left; height:30px; overflow:hidden; zoom:1; }
.qimo8 .qimo ul li{float:left; line-height:30px; list-style:none;}
.qimo8 li a{margin-right:10px;color:#444444;}
</style>
<div id="demo" class="qimo8">
<div class="qimo">
<div id="demo1">
<ul>
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</ul>
</div>
<div id="demo2"></div>
</div>
</div>
<script type="text/javascript">
var demo = document.getElementById("demo");
var demo1 = document.getElementById("demo1");
var demo2 = document.getElementById("demo2");
demo2.innerHTML=document.getElementById("demo1").innerHTML;
function Marquee(){
if(demo.scrollLeft-demo2.offsetWidth>=0){
demo.scrollLeft-=demo1.offsetWidth;
}
else{
demo.scrollLeft++;
}
}
var myvar=setInterval(Marquee,30);
demo.onmouseout=function (){myvar=setInterval(Marquee,30);}
demo.onmouseover=function(){clearInterval(myvar);}
</script>
</body>
</html></td>
</tr>
</table>
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>js文字向左无缝滚动</title>
</head>
<body>
<style type="text/css">
.qimo8{ overflow:hidden; width:815px;}
.qimo8 .qimo {/*width:99999999px;*/width:8000%; height:30px;}
.qimo8 .qimo div{ float:left;}
.qimo8 .qimo ul{float:left; height:30px; overflow:hidden; zoom:1; }
.qimo8 .qimo ul li{float:left; line-height:30px; list-style:none;}
.qimo8 li a{margin-right:10px;color:#444444;}
</style>
<div id="demo" class="qimo8">
<div class="qimo">
<div id="demo1">
<ul>
<li><a href='/office/194/46163.htm' >回收站里的文件删除了怎么恢复</a></li>
<li><a href='/office/193/46162.htm' >c盘哪些文件可以删除 系统就越来越慢怎么办</a></li>
<li><a href='/office/194/46161.htm' >电脑输入法切换不了怎么办</a></li>
<li><a href='/office/193/46160.htm' >PC是什么意思 </a></li>
<li><a href='/office/193/46159.htm' >注册表怎么打开 电脑注册表在哪里打开</a></li>
<li><a href='/office/193/46158.htm' >什么浏览器速度最快 什么浏览器最安全</a></li>
<li><a href='/office/193/46157.htm' >1m等于多少kb 1MB等于多少KB</a></li>
<li><a href='/office/193/46156.htm' >ppap.exe是什么进程</a></li>
</ul>
</div>
<div id="demo2"></div>
</div>
</div>
<script type="text/javascript">
var demo = document.getElementById("demo");
var demo1 = document.getElementById("demo1");
var demo2 = document.getElementById("demo2");
demo2.innerHTML=document.getElementById("demo1").innerHTML;
function Marquee(){
if(demo.scrollLeft-demo2.offsetWidth>=0){
demo.scrollLeft-=demo1.offsetWidth;
}
else{
demo.scrollLeft++;
}
}
var myvar=setInterval(Marquee,30);
demo.onmouseout=function (){myvar=setInterval(Marquee,30);}
demo.onmouseover=function(){clearInterval(myvar);}
</script>
</body>
</html></td>
</tr>
</table>
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