jquery 图片点击全屏

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>jQuery 图片点击全屏</title>
    <style>
        #fullscreen-img {
            max-width: 100%;
            cursor: pointer;
        }
        .fullscreen {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            z-index: 9999;
        }
    </style>
    <script src="https://code.jquery.com/jquery-3.6.0.min.js"></script>
</head>
<body>
    <img id="fullscreen-img" src="path/to/your/image.jpg" alt="Click to fullscreen">
    <script>
        $(document).ready(function() {
            $('#fullscreen-img').click(function() {
                var img = $(this);
                if (!img.hasClass('fullscreen')) {
                    img.addClass('fullscreen');
                } else {
                    img.removeClass('fullscreen');
                }
            });
        });
    </script>
</body>
</html>