jquery弹出层效果

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>jQuery Modal Dialog Example</title>
    <script src="https://code.jquery.com/jquery-3.6.0.min.js"></script>
    <script src="https://code.jquery.com/ui/1.12.1/jquery-ui.min.js"></script>
    <link rel="stylesheet" href="https://code.jquery.com/ui/1.12.1/themes/base/jquery-ui.css">
    <style>
        #dialog {
            display: none;
        }
    </style>
</head>
<body>
    <button id="open-dialog">Open Dialog</button>
    <div id="dialog" title="Basic dialog">
        <p>This is the default dialog which is useful for displaying information. The dialog window can be moved, resized and closed with the 'x' icon.</p>
    </div>

    <script>
        $(function() {
            $("#dialog").dialog({
                autoOpen: false,
                modal: true
            });

            $("#open-dialog").click(function() {
                $("#dialog").dialog("open");
            });
        });
    </script>
</body>
</html>