rss-feed.html

<script type="text/javascript">

function showRSSFeed(url) {

var xhr = new XMLHttpRequest();

xhr.open("GET", url);

xhr.onload = function() {

if (xhr.status === 200) {

var feed = JSON.parse(xhr.responseText);

for (var i = 0; i < feed.items.length; i++) {

var item = feed.items[i];

document.getElementById("rss-feed").innerHTML += "<h3>" + item.title + "</h3><p>" + item.description + "</p>";

}

} else {

console.log("Error loading RSS feed: " + xhr.status);

}

};

xhr.send();

}

</script>

<div id="rss-feed"></div>

<input type="text" id="rss-feed-url" placeholder="Enter RSS feed URL">

<button onclick="showRSSFeed(document.getElementById('rss-feed-url').value)">Show RSS Feed</button>