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js原生tab栏切换(JavaScript实现简易tab栏切换案例)

更多 时间:2022-01-21 00:45:05 类别:编程学习 浏览量:642

js原生tab栏切换

JavaScript实现简易tab栏切换案例

本文实例为大家分享了JavaScript实现简易tab栏切换效果的具体代码,供大家参考,具体内容如下

1. tab栏-案例1

js原生tab栏切换(JavaScript实现简易tab栏切换案例)

tab栏分析

js原生tab栏切换(JavaScript实现简易tab栏切换案例)

li里面的分析

js原生tab栏切换(JavaScript实现简易tab栏切换案例)

js实现隐藏与显示

排他思想:

1)、所有元素全部清除样式(干掉其他人)
2)、给当前元素设置样式 (留下我自己)
3)、注意顺序不能颠倒,首先干掉其他人,再设置自己

我的思路:

js原生tab栏切换(JavaScript实现简易tab栏切换案例)

代码实现:

  • <!DOCTYPE html>
    <html lang="en">
    
    <head>
        <meta charset="UTF-8">
        <title>Document</title>
        <style>
            * {
                margin: 0;
                padding: 0;
            }
            
            li {
                list-style: none;
            }
            
            a {
                text-decoration: none;
                color: #666;
            }
            
            .vertical-tab {
                width: 980px;
                margin: 100px auto;
            }
            
            .vertical-tab .nav {
                width: 200px;
                list-style: none;
            }
            
            .vertical-tab .nav-tabs1 {
                float: left;
                border-right: 3px solid #e7e7e7;
            }
            
            .vertical-tab .nav-tabs2 {
                float: right;
                border-left: 3px solid #e7e7e7;
            }
            
            .vertical-tab li a {
                display: block;
                padding: 10px 20px;
                text-align: center;
                text-transform: uppercase;
                letter-spacing: 1px;
                font-size: 18px;
                font-weight: 700;
            }
            
            .vertical-tab .active {
                color: #198df8;
            }
            
            .vertical-tab .tabs {
                width: 500px;
                float: left;
            }
            
            .vertical-tab .tab-content {
                padding: 10px 20px;
                text-transform: uppercase;
                letter-spacing: 1px;
            }
            
            .vertical-tab .tab-content h3 {
                color: #333;
                margin: 0 0 10px 0;
            }
            
            .vertical-tab .tab-content p {
                font-size: 12px;
            }
            
            .vertical-tab .hidden {
                display: none;
            }
        </style>
    
    </head>
    
    <body>
        <li class="vertical-tab">
            <ul class="nav nav-tabs1">
                <li><a href="javascript:;" class="active" index="1">section 1</a></li>
                <li><a href="javascript:;" index='2'>section 2</a></li>
                <li><a href="javascript:;" index="3">section 3</a></li>
            </ul>
            <li class="tab-content tabs">
                <li class="tab-content1">
                    <h3>section 1</h3>
                    <p>content 1</p>
                </li>
                <li class="tab-content1 hidden">
                    <h3>section 2</h3>
                    <p>content 2</p>
                </li>
                <li class="tab-content1 hidden">
                    <h3>section 3</h3>
                    <p>content 3</p>
                </li>
                <li class="tab-content1 hidden">
                    <h3>section 4</h3>
                    <p>content 4</p>
                </li>
                <li class="tab-content1 hidden">
                    <h3>section 5</h3>
                    <p>content 5</p>
                </li>
                <li class="tab-content1 hidden">
                    <h3>section 6</h3>
                    <p>content 6</p>
                </li>
            </li>
            <ul class="nav nav-tabs2">
                <li><a href="javascript:;" index="4">section 4</a></li>
                <li><a href="javascript:;" index="5">section 5</a></li>
                <li><a href="javascript:;" index="6">section 6</a></li>
            </ul>
        </li>
        <script>
            var as = document.querySelectorAll("a")
            var item = document.querySelectorAll(".tab-content1")
            console.log(as)
                // console.log(lis)
            for (var i = 0; i < as.length; i++) {
                as[i].addEventListener('click', function() {
                    // 干掉其他人
                    for (var j = 0; j < as.length; j++) {
                        as[j].className = ''
                    }
                    // 留下自己
                    this.className = "active"
    
                    // 显示内容
                    var index = this.getAttribute('index')
                    console.log(index)
                        // 干掉其他人
                    for (var i = 0; i < item.length; i++) {
                        item[i].style.display = "none"
                    }
                    // 留下自己
                    item[index - 1].style.display = "block"
                })
            }
        </script>
    </body>
    
    </html>
    
  • vue实现

    vue实现起来相对简单,只需要灵活运用v-if和v-for

    具体代码:

  • <!DOCTYPE html>
    <html lang="en">
    
    <head>
        <meta charset="UTF-8">
        <meta name="viewport" content="width=device-width, initial-scale=1.0">
        <meta http-equiv="X-UA-Compatible" content="ie=edge">
        <title>Document</title>
        <style>
            * {
                margin: 0;
                padding: 0;
            }
            
            .vertical-tab {
                width: 920px;
                margin: 100px auto;
            }
            
            .vertical-tab .nav {
                list-style: none;
                width: 200px;
            }
            
            .vertical-tab .nav-tabs1 {
                border-right: 3px solid #e7e7e7;
            }
            
            .vertical-tab .nav-tabs2 {
                border-left: 3px solid #e7e7e7;
            }
            
            .vertical-tab .nav a {
                display: block;
                font-size: 18px;
                font-weight: 700;
                text-align: center;
                letter-spacing: 1px;
                text-transform: uppercase;
                padding: 10px 20px;
                margin: 0 0 1px 0;
                text-decoration: none;
            }
            
            .vertical-tab .tab-content {
                color: #555;
                background-color: #fff;
                font-size: 15px;
                letter-spacing: 1px;
                line-height: 23px;
                padding: 10px 15px 10px 25px;
                display: table-cell;
                position: relative;
            }
            
            .vertical-tab .nav-tabs1 {
                float: left;
            }
            
            .vertical-tab .tabs {
                width: 500px;
                box-sizing: border-box;
                float: left;
            }
            
            .vertical-tab .tab-content h3 {
                font-weight: 600;
                text-transform: uppercase;
                margin: 0 0 5px 0;
            }
            
            .vertical-tab .nav-tabs2 {
                float: right;
            }
            
            .tab-content {
                position: relative;
            }
            
            .tab-content .tab-pane {
                position: absolute;
                top: 10px;
                left: 20px;
            }
            
            .nav li.active a {
                color: #198df8;
                background: #fff;
                border: none;
            }
            
            .fade {
                opacity: 0;
                transition: all .3s linear;
            }
            
            .fade.active {
                opacity: 1;
            }
        </style>
    </head>
    
    <body>
        <li class="vertical-tab" id="app">
            <!-- Nav tabs -->
            <ul class="nav nav-tabs1">
                <li v-on:click='change(index,0)' :class='currentIndex==index?"active":""' v-if="index < list.length/2" v-for="(item, index) in list"><a href="#" rel="external nofollow"  rel="external nofollow" > {{item.title}} </a></li>
            </ul>
            <!-- Tab panes -->
            <li class="tab-content tabs">
                <li class="tab-pane  fade" :class='currentIndex==index?"active":""' :key='item.id' v-for='(item, index) in list'>
                    <h3>{{item.title}}</h3>
                    <p>{{item.content}}</p>
                </li>
    
            </li>
            <!-- Nav tabs -->
            <ul class="nav nav-tabs2">
                <li v-on:click='change(index,1)' :class='currentIndex==index?"active":""' v-if="index >= list.length/2" v-for="(item, index) in list"><a href="#" rel="external nofollow"  rel="external nofollow" > {{item.title}} </a></li>
            </ul>
        </li>
        <script type="text/javascript" src="js/vue.js"></script>
        <script>
            new Vue({
                el: "#app",
                data: {
                    currentIndex: 0, // 选项卡当前的索引
                    list: [{
                        id: 1,
                        title: 'Section 1',
                        content: 'content1'
                    }, {
                        id: 2,
                        title: 'Section 2',
                        content: 'content2'
                    }, {
                        id: 3,
                        title: 'Section 3',
                        content: 'content3'
                    }, {
                        id: 4,
                        title: 'Section 4',
                        content: 'content4'
                    }, {
                        id: 5,
                        title: 'Section 5',
                        content: 'content5'
                    }, {
                        id: 6,
                        title: 'Section 6',
                        content: 'content6'
                    }]
                },
                methods: {
                    change(index, flag) {
                        if (flag) {
                            console.log(index)
                            this.currentIndex = index;
                        } else {
                            this.currentIndex = index;
                        }
    
                    }
                }
    
            })
        </script>
    </body>
    
  • 如果大家还想深入学习,可以点击两个精彩的专题:javascript选项卡操作方法汇总 jquery选项卡操作方法汇总

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    标签:js tab 切换
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