<!DOCTYPE html>
<html lang="en">
<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">
<title>Document</title>
<script src="https://cdn.bootcss.com/jquery/3.3.1/jquery.js"></script>
<style>
* {
margin: 0;
padding: 0;
}
body {
background: yellowgreen;
}
.class {
color: red
}
ul li {
list-style: none;
}
.box {
margin: 10px 0px;
overflow-x: scroll;
}
.nav {
display: flex;
white-space: nowrap;
}
.nav .nav_li {
width: 80px;
padding: 0 10px;
text-align: center;
font-size: 20px;
}
.box::-webkit-scrollbar {
display: none;
}
.nav_li ul {
display: none;
width: 100%;
background: rgba(255, 255, 255, .3)
}
</style>
</head>
<body>
<div class="box">
<ul class="nav">
<li class="nav_li">
<span class="span">首页</span>
<ul>
<li>111</li>
<li>111</li>
<li>111</li>
</ul>
</li>
<li class="nav_li">
<span class="span">关于我们</span>
<ul>
<li>111</li>
<li>111</li>
<li>111</li>
</ul>
</li>
<li class="nav_li">
<span class="span">产品</span>
<ul>
<li>111</li>
<li>111</li>
<li>111</li>
</ul>
</li>
<li class="nav_li">
<span class="span">介绍</span>
<ul>
<li>111</li>
<li>111</li>
<li>111</li>
</ul>
</li>
<li class="nav_li">
<span class="span">公司案例</span>
<ul>
<li>111</li>
<li>111</li>
<li>111</li>
</ul>
</li>
<li class="nav_li">
<span class="span">首页</span>
<ul>
<li>111</li>
<li>111</li>
<li>111</li>
</ul>
</li>
<li class="nav_li">
<span class="span">首页</span>
<ul>
<li>111</li>
<li>111</li>
<li>111</li>
</ul>
</li>
<li class="nav_li">
<span class="span">首页</span>
<ul>
<li>111</li>
<li>111</li>
<li>111</li>
</ul>
</li>
<li class="nav_li">
<span class="span">首页</span>
<ul>
<li>111</li>
<li>111</li>
<li>111</li>
</ul>
</li>
<li class="nav_li">
<span class="span">首页</span>
<ul>
<li>111</li>
<li>111</li>
<li>111</li>
</ul>
</li>
</ul>
</div>
</body>
</html>
<script>
$(".span").click(function() {
$(this).siblings("ul").toggle(300).parent().siblings("").find("ul").hide(100);
})
$(document).click(function() {
$(".span").siblings("ul").fadeOut(300);
})
$(".span").click(function(event) {
event.stopPropagation();
})
</script>