jquery相册效果

<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>jQuery相册效果</title>
<script src="https://code.jquery.com/jquery-3.6.0.min.js"></script>
<style>
  .gallery img {
    display: none;
    width: 300px;
    height: 200px;
  }
  .gallery img:first-child {
    display: block;
  }
</style>
</head>
<body>

<div class="gallery">
  <img src="image1.jpg" alt="Image 1">
  <img src="image2.jpg" alt="Image 2">
  <img src="image3.jpg" alt="Image 3">
</div>

<script>
$(document).ready(function() {
  let index = 0;
  const images = $('.gallery img');
  const numImages = images.length;

  function showImage(n) {
    images.hide();
    images.eq(n).fadeIn();
  }

  function nextImage() {
    index++;
    if (index >= numImages) {
      index = 0;
    }
    showImage(index);
  }

  setInterval(nextImage, 3000); // 每3秒切换一次图片
});
</script>

</body>
</html>