<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Title</title>
</head>
<style>
.box {
position: relative;
width: 200px;
height: 50px;
overflow: hidden;
border: solid 1px;
}
ul{display:flex; position: absolute;width:200px;overflow:hidden;justify-content:space-around;}
ul li{list-style:none;}
.col2 {left:200px;} /* 让第二列顶着第一列的末尾*/
</style>
<body>
<div class="box" id="box">
<ul class="col1" id="col1">
<li>1</li>
<li>1</li>
<li>1</li>
<li>1</li>
<li>1</li>
<li>1</li>
<li>1</li>
<li>1</li>
<li>1</li>
</ul>
<ul class="col2" id="col2">
<li>2</li>
<li>2</li>
<li>2</li>
<li>2</li>
<li>2</li>
<li>2</li>
<li>2</li>
<li>2</li>
<li>2</li>
</ul>
</div>
<script>
var LEN = 200; // 一个完整滚动条的长度
var x = 0;
var t;
window.onload = roll;
function roll() {
var $col1 = document.getElementById("col1");
var $col2 = document.getElementById("col2");
var fun = function(){
$col1.style.left = x + 'px';
$col2.style.left = (x + LEN) + 'px';
x--;
if( (x + LEN) == 0 ){
x = 0;
}
};
t = setInterval(fun,10);
}
// 可以再加上鼠标移入停止滚动的函数，这个可以参考我上一篇博客
</script>
</body>
</html>
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