Embed an RSS feed into a web page using only locally sourced JQuery

example-rss.html

<script src="/blog/js/jquery-3.7.0.min.js" type="application/javascript"></script>
<div class="social-media">
    <hr/>
    <h4>Recent Mastodon posts</h4>
    <ol id="mastodon"></ol>
    <script type="text/javascript">
        const RSS_URL = "https://mastodon.scot/@simon_brooke.rss";

        function getRSSFeed(feed, target) {

            $.ajax(feed, {
                accepts: {
                    xml: "application/rss+xml"
                },

                dataType: "xml",

                success: function (data) {
                    $(data).find("item").each(
                        function (i, element) {
                            const el = $(this);
                            $(target).append('<li>' +
                                el.find("description").text() +
                                '<a href="' +
                                el.find("link").text() + '">' +
                                "[" + el.find("pubDate").text() + "]</a></li>"
                            );

                            return i < 5;
                        }
                    );
                }
            });
        }

        getRSSFeed(RSS_URL, "#mastodon");
    </script>
</div>