原生JavaScript代码实现网页导航条特效

正文开始

给大家分享一个用原生JS实现的比较实用的网页导航条特效,当页面滚动时,导航条会发生变化,效果如下:

以下是代码实现,欢迎大家复制粘贴和收藏。

代码开始

 <!DOCTYPE html>
<html lang="en">

<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>原生JS实现网页导航条特效</title>
<style>
* {
margin: 0;
padding: 0;
box-sizing: border-box;
word-wrap: break-word;
font-family: '微软雅黑', sans-serif;
}

body {
background: #000;
min-height: 200vh;
}

header {
position: fixed;
top: 0;
left: 0;
width: 100%;
display: flex;
align-items: center;
justify-content: space-between;
transition: 0.6s;
padding: 40px 100px;
z-index: 2;
}

header.sticky {
padding: 5px 100px;
background: #fff;
}

header .logo {
position: relative;
font-weight: 700;
color: #fff;
text-decoration: none;
font-size: 2em;
text-transform: uppercase;
letter-spacing: 2px;
transition: 0;
}

header ul {
position: relative;
display: flex;
justify-content: center;
align-items: center;
}

header ul li {
position: relative;
list-style: none;
}

header ul li a {
position: relative;
margin: 0 15px;
text-decoration: none;
color: #fff;
letter-spacing: 2px;
font-weight: 500px;
transition: 0.5s;
}


.banner {
position: relative;
width: 100%;
height: 100vh;
background: url(bg.jpg);
background-size: cover;
}

header.sticky .logo,
header.sticky ul li a {
color: #000;
}
</style>
</head>

<body>
<header>
<a href="#" class="logo">Logo</a>
<ul>
<li><a href="#">首页</a></li>
<li><a href="#">关于</a></li>
<li><a href="#">服务</a></li>
<li><a href="#">作品</a></li>
<li><a href="#">联系</a></li>
</ul>
</header>
<section class="banner"></section>
<script>
window.addEventListener('scroll', () => {
let header = document.querySelector('header')
// 重要属性
header.classList.toggle('sticky', window.scrollY > 0)
})
</script>
</body>

</html>

 

文章转载自CSDN的aiguangyuan  原文链接

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Source: github.com/k4yt3x/flowerhd
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