<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>tab切换</title>
</head>

<body>
    <div id="tab1" style="width: 50%;height: 200px;background-color: red;float: left;">我是tab1</div>
    <div id="tab2" style="width: 50%;height: 200px;background-color: pink;display: inline-block;;">我是tab2</div>
    <div id="data1" style="width: 100%;height: 200px;">点击tab1显示我</div>
    <div id="data2" style="width: 100%;height: 200px;">点击tab2显示我</div>
    <script>
        let tab1=document.getElementById("tab1")
        let tab2=document.getElementById("tab2")
        let data1=document.getElementById("data1")
        let data2=document.getElementById("data2")
        tab2.addEventListener("click",function(){
           data1.style.display="none";
           data2.style.display="block"
        })
        tab1.addEventListener("click",function(){
           data1.style.display="block";
           data2.style.display="none"
        })
        
    </script>
</body>

</html>

运行结果

220230823-实现tab切换效果_html