jquery img宽度

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>jQuery Set Image Width</title>
    <script src="https://code.jquery.com/jquery-3.6.0.min.js"></script>
    <script>
        $(document).ready(function() {
            // 设置所有图片的宽度为 300px
            $('img').width(300);

            // 或者根据某个条件设置宽度
            $('img').each(function() {
                if ($(this).attr('id') === 'specialImage') {
                    $(this).width(500);
                }
            });
        });
    </script>
</head>
<body>
    <img src="image1.jpg" alt="Image 1">
    <img src="image2.jpg" alt="Image 2">
    <img id="specialImage" src="image3.jpg" alt="Special Image">
</body>
</html>

<script>
    $(document).ready(function() {
        $('img').width(300);
    });
</script>