Element Fullscreen 

<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>Element Fullscreen</title>
    <style>
      .img {
        width: 200px;
        transition: width 2s ease, background-color 2s ease;

        &:fullscreen {
          overflow: hidden;
          padding: 20px;
          background-color: pink;

          &::backdrop {
            background-color: transparent;
          }
        }
      }
    </style>
  </head>
  <body>
    <strong>Element Fullscreen</strong>
    <hr />
    <span>点击图片进入全屏，按下esc或再次点击图片退出全屏</span>
    <img src="./test.jpg" alt="" class="img" />

    <script>
      const img = document.querySelector('.img');

      img.addEventListener('click', async () => {
        if (!document.fullscreenElement) {
          await img.requestFullscreen();
        } else {
          await document.exitFullscreen();
        }
      });
    </script>
  </body>
</html>
posted @ 2024-05-01 15:40  _clai  阅读(2)  评论(0)  编辑  收藏  举报