原生事件绑定

Tutorial: React基础 Category: React Published: 2026-04-07 13:58:26 Views: 20 Likes: 0 Comments: 0

09_原生事件绑定

<!DOCTYPE html>
<html>
  <head>
    <meta charset="UTF-8" />
    <title>Document</title>
  </head>
  <body>
    <button id="btn1">按钮1</button>
    <button id="btn2">按钮2</button>
    <button onclick="demo()">按钮3</button>

    <script type="text/javascript">
      const btn1 = document.getElementById("btn1");
      btn1.addEventListener("click", () => {
        alert("按钮1被点击了");
      });

      const btn2 = document.getElementById("btn2");
      btn2.onclick = () => {
        alert("按钮2被点击了");
      };

      function demo() {
        alert("按钮3被点击了");
      }
    </script>
  </body>
</html>