现在做这个是一个开屏效果
网站刚进来是html.to-begin
我下拉屏幕或者点击下开屏这个.top的时候.to-begin在3秒回变成to-content
<!doctype html>
<html lang="en" class="to-trol to-begin">
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1" />
<title>开屏效果</title>
<script src="https://code.jquery.com/jquery-1.7.2.js"></script>
</head>
<body>
<style>
html,body{margin:auto}
.top{height: 100vh;background:#ddd;}
.home{height:1000px;background: rgb(16, 146, 189);}
/*html.to-begin{overflow: hidden;}
html.to-content{overflow:initial;}*/
div{position: relative;display: flex;justify-content: center;align-items: center;}
p{color:#333;font-size:40px}
</style>
<div class="top">
<p>开屏</p>
</div>
<div class="home">
<p>内容</p>
</div>
</body>
</html>