js 底部导航栏切换（炫酷效果）

原创已于 2022-09-30 15:10:47 修改 · 341 阅读

1 ·

CC 4.0 BY-SA版权

文章标签：

#css #html #css3

于 2022-09-17 10:20:59 首次发布

html css js jq 专栏收录该内容

36 篇文章

订阅专栏

本文介绍了一种使用HTML、CSS和JavaScript实现的炫酷底部导航栏效果。通过巧妙地运用CSS定位和过渡效果，实现了图标和文字的平滑切换，并通过简单的JavaScript代码实现了导航项的点击交互。

js 底部导航栏切换（炫酷效果）

在这里插入图片描述

直接上代码

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<style>
    :root{
        --color:#222327;
    }
    *{
        padding: 0;
        margin: 0;
        box-sizing: border-box;
    }
    body{
        display: flex;
        justify-content: center;
        align-items: center;
        min-height: 100vh;
        background: var(--color);
    }
    .container{
        width: 440px;
        height: 70px;
        background: #fff;
        display: flex;
        justify-content: center;
        align-items: center;
        border-radius: 10px;
        position: relative;
    }
    .item{
        display: flex;
        justify-content: center;
        align-items: center;
        flex-direction: column;
        width: 100px;
        
    }
    img{
        width: 30px;
        height: 30px;
        position: absolute;
        font-size: 1.7em;
        transition: .5s;
    }
    .text{
        transform: translateY(20px);
        font-size: 0.75em;
        font-weight: bold;
        transition: .5s;
        opacity: 0;
    }
    .item.active img{
        transform: translateY(-32px);
        z-index: 1;
    }
    .item.active .text{
        opacity: 1;
        transform: translateY(10px);
    }
    .indicator{
        position: absolute;
        width: 70px;
        height: 70px;
        background: rgb(18, 212, 50);
        left:35px;
        top:-50%;
        border-radius: 50%;
        border:6px solid var(--color);
        transition: .5s;
    }
    .indicator::before{
        content: '';
        position: absolute;
        top: 50%;
        left: -22px;
        width: 20px;
        height: 20px;
        background: transparent;
        border-top-right-radius: 20px;
        box-shadow: 0 -10px 0 0 var(--color);
    }
    .indicator::after{
        content: '';
        position: absolute;
        top: 50%;
        right: -22px;
        width: 20px;
        height: 20px;
        background: transparent;
        border-top-left-radius: 20px;
        box-shadow: 0 -10px 0 0 var(--color);
    }
    .item:nth-child(1).active ~ .indicator {
        transform:translateX(calc(100px  * 0));
    }
    .item:nth-child(2).active ~ .indicator {
        transform:translateX(calc(100px  * 1));
    }
    .item:nth-child(3).active ~ .indicator {
        transform:translateX(calc(100px  * 2));
    }
    .item:nth-child(4).active ~ .indicator {
        transform:translateX(calc(100px  * 3));
    }
</style>
<body>
    <div class="container">
        <div class="item active">
            <img src="https://s1.ax1x.com/2022/04/23/LffnC8.png" alt="">
            <div class="text">首页</div>
        </div>
        <div class="item">
            <img src="https://s1.ax1x.com/2022/04/23/Lffu8S.png" alt="">
            <div class="text">分类</div>
        </div>
        <div class="item">
            <img src="https://s1.ax1x.com/2022/04/23/LffKgg.png" alt="">
            <div class="text">更多</div>
        </div>
        <div class="item">
            <img src="https://s1.ax1x.com/2022/04/23/LffMvQ.png" alt="">
            <div class="text">我的</div>
        </div>
        <div class="indicator"></div>
    </div>
</body>
<script>
    const list = document.querySelectorAll('.item')
    console.log(list);
    function activeLike(){
        list.forEach((item) => 
            item.classList.remove('active'))
        this.classList.add('active')
    }
    list.forEach((item) =>  item.addEventListener('click',activeLike))
</script>
</html>