JavaScript选项卡切换（点击切换内容）

最新推荐文章于 2025-03-22 16:28:25 发布

原创最新推荐文章于 2025-03-22 16:28:25 发布

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#javascript #html5 #css3 #css

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<!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>
        *{
            margin: 0;
            padding: 0;
        }
        .box{
            width: 260px;
            height: 200px;
            margin:200px auto;
            background-color: rgb(172, 211, 243);
        }
        #nav{
            width: 100%;
            height: 30px;
            background-color: rgb(248, 215, 215);
        }
        #nav>ul>li{
            display: inline-block;
            margin-left: 5px;
            text-align: center;
            line-height: 30px;
            cursor: pointer;
        }
        #nav>ul>li:active{
            background: rgb(247, 188, 139);
        }
        #lis>p{
            font-size: 14px;
            display: none;
        }
        .box>#lis>.display{
            display: block;
        }
    </style>
</head>
<body>
    <div class="box">
        <div id="nav">
            <ul>
                <li>HTML</li>
                <li>CSS</li>
                <li>JavaScript</li>
                <li>VUE</li>
            </ul>
        </div>
        <div id="lis">
            <p>HTML真好</p>
            <p>CSS真好</p>
            <p>JavaScript真好</p>
            <p>VUE真好</p>
        </div>
    </div>
    <script>
        var btn = document.querySelectorAll(".box>#nav>ul>li");
        var lis = document.querySelectorAll(".box>#lis>p")
        for(var i=0; i<btn.length; i++){
            btn[i].setAttribute("index", i)
            btn[i].onclick = function(){
               for(var j=0; j<lis.length; j++){
                    lis[j].className = "";
               }
               lis[this.getAttribute("index")].className = "display";
            }
        }
    </script>
</body>
</html>