2024 IT鐵人賽 Day10 -匿名函式操作DOM元素

javascript javascript 30

will93068 2024-10-07 21:26:51 ‧ 180 瀏覽

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匿名函式

用匿名函式達到操作DOM元素效果

<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>匿名函式</title>
  </head>
  <body>
    <h2 class="innerHTML">增加innerHTML</h2>

    <h2 class="innerText">增加innerText</h2>

    <button class="EditBtn">統一增加修改</button>

    <script>
      const EditHtml = document.querySelector(".innerHTML");
      console.log(EditHtml);

      const EditText = document.querySelector(".innerText");
      console.log(EditText);

      const EditBtn = document.querySelector(".EditBtn");
      console.log(EditBtn);

      EditBtn.addEventListener("click", function () {
        // 修改 innerHTML 的 CSS 樣式和內容
        EditHtml.style.color = "red";
        EditHtml.innerHTML =
          "<strong>已修改的 innerHTML</strong>，包含 <em>HTML</em> 標籤";

        // 修改 innerText 的 CSS 樣式和內容
        EditText.style.color = "orange";
        EditText.style.fontSize = "15px";
        EditText.innerText =
          "<strong>已修改的 innerHTML</strong>，包含 <em>HTML</em> 標籤";
      });
    </script>
  </body>
</html>