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电梯导航的小练习

article 2025/2/25 7:40:04

css代码

html代码

js代码

完整代码

效果图

需求：点击某个模块，显示对应内容

css代码

  <style>
        *{
            padding: 0;
            margin: 0;
            list-style: none;
        }
        ul{
            display: flex;
            justify-content: center;
            position: fixed;
            top: 0;
            left: 20%;

        }
        ul>li{
            text-align: center;
            width: 200px;
            height: 80px;
            /* border: 1px solid red; */
            padding-top: 30px;
       cursor: pointer;
       
            
        }
        ul .active{
            border-bottom: 2px solid black;
        }
        .wrapper{
            position: relative;
        }
        .list{
            width: 1000px;
            margin: 0 auto;
            margin-top: 120px;
        }
        .list div{
            width: 800px;
            height: 700px;
            margin-top: 30px;
        
           
            
        }
        .list div:nth-child(1){
            background-color: antiquewhite;
        }
        .list div:nth-child(2){
           background-color: deepskyblue;
        }
        .list div:nth-child(3){
         background-color: lightgreen;
        }
        .list div:nth-child(4){
           background-color: hotpink;
        }
    </style>

html代码

<div class="wrapper">
        <ul>
            <li class="active">HUAWEl MatePad <br>
                Pro系列</li>
            <li>HUAWEl MatePad <br>
                系列</li>
            <li>HUAWEl MatePad <br>
                Paper系列</li>
            <li>HUAWEl MateP; <br>
                SE系列</li>
        </ul>
        <div class="list">
            <div></div>
            <div></div>
            <div></div>
            <div></div>
        </div>
    </div>

js代码

<script>
        const lis=document.querySelectorAll('li')
        const divs=document.querySelectorAll('.list div')
        for(let i=0;i<lis.length;i++){
            lis[i].addEventListener('click',function() {
                //先移除所有的active类，谁点击，给谁添加active类
                document.querySelector('ul .active').classList.remove('active')
                lis[i].classList.add('active')
                document.documentElement.scrollTop=divs[i].offsetTop//页面被卷去的尺寸等于每个div到顶部的距离

            })
        }
    </script>

完整代码

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        *{
            padding: 0;
            margin: 0;
            list-style: none;
        }
        ul{
            display: flex;
            justify-content: center;
            position: fixed;
            top: 0;
            left: 20%;

        }
        ul>li{
            text-align: center;
            width: 200px;
            height: 80px;
            /* border: 1px solid red; */
            padding-top: 30px;
       cursor: pointer;
       
            
        }
        ul .active{
            border-bottom: 2px solid black;
        }
        .wrapper{
            position: relative;
        }
        .list{
            width: 1000px;
            margin: 0 auto;
            margin-top: 120px;
        }
        .list div{
            width: 800px;
            height: 700px;
            margin-top: 30px;
        
           
            
        }
        .list div:nth-child(1){
            background-color: antiquewhite;
        }
        .list div:nth-child(2){
           background-color: deepskyblue;
        }
        .list div:nth-child(3){
         background-color: lightgreen;
        }
        .list div:nth-child(4){
           background-color: hotpink;
        }
    </style>
</head>
<body>
    <div class="wrapper">
        <ul>
            <li class="active">HUAWEl MatePad <br>
                Pro系列</li>
            <li>HUAWEl MatePad <br>
                系列</li>
            <li>HUAWEl MatePad <br>
                Paper系列</li>
            <li>HUAWEl MateP; <br>
                SE系列</li>
        </ul>
        <div class="list">
            <div></div>
            <div></div>
            <div></div>
            <div></div>
        </div>
    </div>

    <script>
        const lis=document.querySelectorAll('li')
        const divs=document.querySelectorAll('.list div')
        for(let i=0;i<lis.length;i++){
            lis[i].addEventListener('click',function() {
                //先移除所有的active类，谁点击，给谁添加active类
                document.querySelector('ul .active').classList.remove('active')
                lis[i].classList.add('active')
                document.documentElement.scrollTop=divs[i].offsetTop//页面被卷去的尺寸等于每个div到顶部的距离

            })
        }
    </script>
</body>
</html>