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---
date: 2020-12-01 20:52
description: Short code-snippet for an RSS feed, written in HTML and JavaScript
tags: Tutorial, Code-Snippet, HTML, JavaScript
---
# RSS Feed written in HTML + JavaScript
If you want to directly open the HTML file in your browser after saving, don't forget to set `CORS_PROXY=""`
```html
<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>
RSS Feed
</title>
<link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.1.3/css/bootstrap.min.css" integrity="sha384-MCw98/SFnGE8fJT3GXwEOngsV7Zt27NXFoaoApmYm81iuXoPkFOJwJ8ERdknLPMO" crossorigin="anonymous">
</head>
<body>
<h1 align="center" class="display-1">RSS Feed</h1>
<main>
<div class="container">
<div class="list-group pb-4" id="contents"></div>
<div id="feed">
</div></div>
</main>
<script src="https://gitcdn.xyz/repo/rbren/rss-parser/master/dist/rss-parser.js"></script>
<script>
const feeds = {
"BuzzFeed - India": {
"link":"https://www.buzzfeed.com/in.xml",
"summary":true
},
"New Yorker": {
"link":"http://www.newyorker.com/feed/news",
},
"Vox":{
"link":"https://www.vox.com/rss/index.xml",
"limit": 3
},
"r/Jokes":{
"link":"https://reddit.com/r/Jokes/hot/.rss?sort=hot",
"ignore": ["repost","discord"]
}
}
const config_extra = {
"Responsive-Images": true,
"direct-link": false,
"show-date":false,
"left-column":false,
"defaults": {
"limit": 5,
"summary": true
}
}
const CORS_PROXY = "https://cors-anywhere.herokuapp.com/"
var contents_title = document.createElement("h2")
contents_title.textContent = "Contents"
contents_title.classList.add("pb-1")
document.getElementById("contents").appendChild(contents_title)
async function myfunc(key){
var count_lim = feeds[key]["limit"]
var count_lim = (count_lim === undefined) ? config_extra["defaults"]["limit"] : count_lim
var show_summary = feeds[key]["summary"]
var show_summary = (show_summary === undefined) ? config_extra["defaults"]["summary"] : show_summary
var ignore_tags = feeds[key]["ignore"]
var ignore_tags = (ignore_tags === undefined) ? [] : ignore_tags
var contents = document.createElement("a")
contents.href = "#" + key
contents.classList.add("list-group-item","list-group-item-action")
contents.textContent = key
document.getElementById("contents").appendChild(contents)
var feed_div = document.createElement("div")
feed_div.id = key
feed_div.setAttribute("id", key);
var title = document.createElement("h2");
title.textContent = "From " + key;
title.classList.add("pb-1")
feed_div.appendChild(title)
document.getElementById("feed").appendChild(feed_div)
var parser = new RSSParser();
var countPosts = 0
parser.parseURL(CORS_PROXY + feeds[key]["link"], function(err, feed) {
if (err) throw err;
feed.items.forEach(function(entry) {
if (countPosts < count_lim) {
var skip = false
for(var i = 0; i < ignore_tags.length; i++) {
if (entry.title.includes(ignore_tags[i])){
var skip = true
} else if (entry.content.includes(ignore_tags[i])){
var skip = true
}
}
if (!skip) {
var node = document.createElement("div");
node.classList.add("card","mb-3");
var row = document.createElement("div")
row.classList.add("row","no-gutters")
if (config_extra["left-column"]){
var left_col = document.createElement("div")
left_col.classList.add("col-md-2")
var left_col_body = document.createElement("div")
left_col_body.classList.add("card-body")
}
var right_col = document.createElement("div")
if (config_extra["left-column"]){
right_col.classList.add("col-md-10")
}
var node_title = document.createElement("h5")
node_title.classList.add("card-header")
node_title.innerHTML = entry.title
node_body = document.createElement("div")
node_body.classList.add("card-body")
node_content = document.createElement("p")
if (show_summary){
node_content.innerHTML = entry.content
}
node_content.classList.add("card-text")
if (config_extra["direct-link"]){
node_link = document.createElement("p")
node_link.classList.add("card-text")
node_link.innerHTML = "<b>Link:</b> <a href='" + entry.link +"'>Direct Link</a>"
if (config_extra["left-column"]){
left_col_body.appendChild(node_link)
} else {
node_content.appendChild(node_link)
}
}
if (config_extra["show-date"]){
node_date = document.createElement("p")
node_date.classList.add("card-text")
node_date.innerHTML = "<p><b>Date: </b>" + entry.pubDate + "</p>"
if (config_extra["left-column"]){
left_col_body.appendChild(node_date)
} else {
node_content.appendChild(node_date)
}
}
node.appendChild(node_title)
node_body.appendChild(node_content)
right_col.appendChild(node_body)
if (config_extra["left-column"]){
left_col.appendChild(left_col_body)
row.appendChild(left_col)
}
row.appendChild(right_col)
node.appendChild(row)
document.getElementById(key).appendChild(node)
countPosts+=1
}
}
})
if (config_extra["Responsive-Images"]){
var inputs = document.getElementsByTagName('img')
for(var i = 0; i < inputs.length; i++) {
inputs[i].classList.add("img-fluid")
}
}
})
return true
}
(async () => {
for(var key in feeds) {
let result = await myfunc(key);
}})();
</script>
<noscript>Uh Oh! Your browser does not support JavaScript or JavaScript is currently disabled. Please enable JavaScript or switch to a different browser.</noscript>
</body></html>
```
|
