使用JS写一个文字滚动效果

来源：互联网发布：c语言实战项目开发编辑：程序博客网时间：2024/05/23 14:50

<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>文字滚动</title>
<style type="text/css">
*{
padding: 0px;
margin: 0px;
}
#box{
widows: 1000px;
height: 150px;
background-color:#ddd;
overflow: hidden;
}
#box1 dd{
border-bottom: 1px dotted #ccc;
width: 1000px;
height: 24px;
line-height: 24px;
}
</style>
</head>
<body>
<div id="box">
<div id="box1">
<dl>
<dd>1</dd>
<dd>2</dd>
<dd>3</dd>
<dd>4</dd>
<dd>5</dd>
<dd>6</dd>
<dd>7</dd>
<dd>8</dd>
<dd>9</dd>
<dd>10</dd>
</dl>
</div>
<div id="box2"></div>
</div>
</body>
<script>

function ac(){
var box=document.getElementById('box');
var box1=document.getElementById('box1');
var box2=document.getElementById('box2');
if (box.scrollTop==0) {
box2.innerHTML=box1.innerHTML;
}
if(box.scrollTop==box1.scrollHeight-box.offsetHeight){
box.scrollTop=0;
}else{
box.scrollTop++;
}
}
setInterval(ac,50);
</script>
</html>

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