jquery图片响应式

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>jQuery 图片响应式</title>
    <style>
        .responsive-img {
            max-width: 100%;
            height: auto;
        }
    </style>
    <script src="https://code.jquery.com/jquery-3.6.0.min.js"></script>
</head>
<body>
    <img src="example.jpg" alt="Example Image" class="responsive-img">

    <script>
        $(document).ready(function() {
            function adjustImageSize() {
                var windowWidth = $(window).width();
                if (windowWidth < 600) {
                    $('.responsive-img').attr('src', 'example-small.jpg');
                } else {
                    $('.responsive-img').attr('src', 'example.jpg');
                }
            }

            $(window).resize(adjustImageSize);
            adjustImageSize();
        });
    </script>
</body>
</html>