实例：原生JS实现全屏滚动
技术栈：HTML+CSS+JS
效果：
源码：
【HTML】
<!DOCTYPE html>
<html lang="zh-CN">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>原生JS实现全屏滚动</title>
<link rel="stylesheet" href="230.css">
</head>
<body>
<div class="container">
<div class="box">1</div>
<div class="box">2</div>
<div class="box">3</div>
<div class="box">4</div>
<div class="box">5</div>
</div&g
