jquery焦点图轮播代码

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>jQuery焦点图轮播</title>
    <style>
        .slider {
            width: 80%;
            margin: 0 auto;
            overflow: hidden;
        }
        .slider img {
            width: 100%;
            display: none;
        }
        .slider img:first-child {
            display: block;
        }
    </style>
</head>
<body>
    <div class="slider">
        <img src="image1.jpg" alt="Image 1">
        <img src="image2.jpg" alt="Image 2">
        <img src="image3.jpg" alt="Image 3">
    </div>

    <script src="https://code.jquery.com/jquery-3.6.0.min.js"></script>
    <script>
        $(document).ready(function() {
            let images = $('.slider img');
            let index = 0;

            function showImage(index) {
                images.hide();
                images.eq(index).show();
            }

            function nextImage() {
                index++;
                if (index >= images.length) {
                    index = 0;
                }
                showImage(index);
            }

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