js实现点击不同按钮展示不同内容_css+js点击不同按钮列表显示不同内容-优快云博客

本文链接：https://blog.youkuaiyun.com/m0_72684019/article/details/140082427

1、需求

点击button1，展示‘1111’；
点击button2，展示‘2222’。

2、效果

3、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>
      .box {
        margin: 0 auto;
        display: flex;
        flex-direction: column;
        align-items: center;
        margin-top: 200px;
      }
      .header {
        display: none;
        width: 200px;
        height: 100px;
        background-color: antiquewhite;
      }

      .footer {
        display: none;
        width: 200px;
        height: 100px;
        background-color: aqua;
      }

      .button1,
      .button2 {
        width: 200px;
        height: 30px;
        background-color: bisque;
      }
      .showItem {
        display: block !important;
      }
      .showBtton {
        background-color: pink;
      }
    </style>
  </head>
  <body>
    <div class="box">
      <div class="header showItem">111111111</div>
      <div class="footer">222222222</div>
      <div>
        <div class="button1 showBtton">按钮1</div>
        <div class="button2">按钮2</div>
      </div>
    </div>

    <script>
      // 获取元素
      const header = document.querySelector(".header");
      const footer = document.querySelector(".footer");
      const button1 = document.querySelector(".button1");
      const button2 = document.querySelector(".button2");
      // 给元素添加点击事件
      button1.addEventListener("click", function () {
        header.classList.add("showItem");
        footer.classList.remove("showItem");
        button1.classList.add("showBtton");
        button2.classList.remove("showBtton");
      });
      button2.addEventListener("click", function () {
        header.classList.remove("showItem");
        footer.classList.add("showItem");
        button1.classList.remove("showBtton");
        button2.classList.add("showBtton");
      });
    </script>
  </body>
</html>