HTML侧边栏布局：鼠标悬停菜单显示对应内容
<!DOCTYPE html>
<html lang='en'>
<head>
<meta charset='UTF-8'>
<title>HTML侧边栏布局：鼠标悬停菜单显示对应内容</title>
<style>
* {
margin: 0;
padding: 0;
box-sizing: border-box;
}
.sidebar {
position: fixed;
top: 0;
left: 0;
width: 200px;
height: 100%;
background-color: #333;
color: #fff;
padding: 20px;
}
.sidebar ul {
list-style: none;
padding: 0;
margin: 0;
}
.sidebar li {
margin-bottom: 10px;
}
.sidebar a {
color: #fff;
text-decoration: none;
}
.content {
margin-left: 220px;
padding: 20px;
}
.hidden {
display: none;
}
.active {
display: block;
}
</style>
</head>
<body>
<div class='sidebar'>
<ul>
<li><a href='#section1' class='menu-item'>菜单项1</a></li>
<li><a href='#section2' class='menu-item'>菜单项2</a></li>
<li><a href='#section3' class='menu-item'>菜单项3</a></li>
<li><a href='#section4' class='menu-item'>菜单项4</a></li>
</ul>
</div>
<div class='content'>
<div id='section1' class='section'>
<h1>菜单项1</h1>
<p>这是菜单项1的内容。</p>
</div>
<div id='section2' class='section hidden'>
<h1>菜单项2</h1>
<p>这是菜单项2的内容。</p>
</div>
<div id='section3' class='section hidden'>
<h1>菜单项3</h1>
<p>这是菜单项3的内容。</p>
</div>
<div id='section4' class='section hidden'>
<h1>菜单项4</h1>
<p>这是菜单项4的内容。</p>
</div>
</div>
<script>
const menuItems = document.querySelectorAll('.menu-item');
const sections = document.querySelectorAll('.section');
for (let i = 0; i < menuItems.length; i++) {
menuItems[i].addEventListener('mouseover', function() {
for (let j = 0; j < sections.length; j++) {
sections[j].classList.add('hidden');
}
document.querySelector(menuItems[i].getAttribute('href')).classList.remove('hidden');
});
}
</script>
</body>
</html>
原文地址: https://www.cveoy.top/t/topic/lFGS 著作权归作者所有。请勿转载和采集!