本文实例为大家分享了js上下滑动效果的具体代码，供大家参考，具体内容如下
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Document</title>
<style>
.box{
width: 512px;
height: 400px;
margin:100px auto;
overflow: hidden;
position: relative;
border: 1px solid red;
}
.box img{
position: absolute;
