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JS如何实现网页导航条特效

发布时间:2021-10-15 10:23:58 来源:亿速云 阅读:128 作者:小新 栏目:开发技术

这篇文章主要介绍JS如何实现网页导航条特效,文中介绍的非常详细,具有一定的参考价值,感兴趣的小伙伴们一定要看完!

以下是代码实现,欢迎大家复制粘贴和收藏。

<!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="#" rel="external nofollow"  rel="external nofollow"  rel="external nofollow"  rel="external nofollow"  rel="external nofollow"  rel="external nofollow"  class="logo">Logo</a>
        <ul>
            <li><a href="#" rel="external nofollow"  rel="external nofollow"  rel="external nofollow"  rel="external nofollow"  rel="external nofollow"  rel="external nofollow" >首页</a></li>
            <li><a href="#" rel="external nofollow"  rel="external nofollow"  rel="external nofollow"  rel="external nofollow"  rel="external nofollow"  rel="external nofollow" >关于</a></li>
            <li><a href="#" rel="external nofollow"  rel="external nofollow"  rel="external nofollow"  rel="external nofollow"  rel="external nofollow"  rel="external nofollow" >服务</a></li>
            <li><a href="#" rel="external nofollow"  rel="external nofollow"  rel="external nofollow"  rel="external nofollow"  rel="external nofollow"  rel="external nofollow" >作品</a></li>
            <li><a href="#" rel="external nofollow"  rel="external nofollow"  rel="external nofollow"  rel="external nofollow"  rel="external nofollow"  rel="external nofollow" >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>

以下是代码中所引用的图片 bg.jpg

JS如何实现网页导航条特效

以上是“JS如何实现网页导航条特效”这篇文章的所有内容,感谢各位的阅读!希望分享的内容对大家有帮助,更多相关知识,欢迎关注亿速云行业资讯频道!

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