js相册循环播放

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Image Gallery Loop</title>
    <style>
        #gallery {
            width: 600px;
            height: 400px;
            overflow: hidden;
            position: relative;
        }
        #gallery img {
            width: 100%;
            height: 100%;
            position: absolute;
            opacity: 0;
            transition: opacity 1s ease-in-out;
        }
        #gallery img.active {
            opacity: 1;
        }
    </style>
</head>
<body>
    <div id="gallery">
        <img src="image1.jpg" alt="Image 1" class="active">
        <img src="image2.jpg" alt="Image 2">
        <img src="image3.jpg" alt="Image 3">
    </div>

    <script>
        const gallery = document.getElementById('gallery');
        const images = gallery.getElementsByTagName('img');
        let currentIndex = 0;

        function showNextImage() {
            // Hide current image
            images[currentIndex].classList.remove('active');
            
            // Move to next image
            currentIndex = (currentIndex + 1) % images.length;
            
            // Show next image
            images[currentIndex].classList.add('active');
        }

        // Set interval to change image every 3 seconds
        setInterval(showNextImage, 3000);
    </script>
</body>
</html>