滚动渐变导航栏

实现导航栏固定顶部，且滚动渐变的效果

实现效果
在这里插入图片描述

准备html

vscode可利用快捷输入 header>a+ul>li*3>a+tab

DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Documenttitle>
    <link rel="stylesheet" href="style.css">
head>
<body>
    <header>
        <a href="#" class="logo">Logoa>
        <ul>
            <li><a href="#">Homea>li>
            <li><a href="#">Abouta>li>
            <li><a href="#">Contacta>li>
        ul>
    header>
    <section class="banner">section>
    <script type="text/javascript">
        window.addEventListener("scroll",function(){
            let header = document.querySelector("header");
            header.classList.toggle("sticky",window.scrollY>0)
        })
    script>
body>
html>
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26

准备css

*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
body{
    background-color: #000;
    min-height: 200vh;
}
header{
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: .6s;
    padding: 40px 100px;
    z-index: 99;
}
header.sticky{
    padding: 5px 100px;
    background: #fff;
}
header.sticky .logo,
header.sticky ul li a{
    color: #000;
}
header .logo{
    position: relative;
    font-weight: 700;
    color: #fff;
    text-decoration: none;
    font-size: 2em;
    text-transform: uppercase;
    letter-spacing: 2px;
    transition: .6s;
}
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: .6s;
}
.banner{
    position: relative;
    width: 100%;
    height: 100vh;
    background: url("bg.png");
    background-size: cover;
}
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65

相关阅读:
基于Delta Lake构建数据湖仓体系
Mybatis动态数据源及其原理
UE4插件 - 编辑器工具栏按钮
[LeetCode周赛复盘] 第 310 场周赛20220911
Spring 中毒太深，模仿Spring
mysql数据库重启、登录mysql数据库、通过命令执行mysql的sql脚本等命令
【网络安全】如何保护IP地址？
移动硬盘显示要格式化怎么办?
mapper层传list集合，返回集合中不存在于表中的数据
JAVA基础相关知识点(二)

原文地址：https://blog.csdn.net/weixin_50645221/article/details/133131544