x2000 / YouTube Channel RSS Link

// ==UserScript==
// @name         YouTube Channel RSS Link
// @namespace    
// @version      1.1
// @description  Inserts a link to a YouTube channel's RSS feed into the channel banner, along with the other social meida buttons.
// @author       x2000
// @license     GPL-3.0-or-later; http://www.gnu.org/licenses/gpl-3.0.txt
// @match        https://www.youtube.com/channel/*
// @grant        none
// ==/UserScript==

(function() {
    'use strict';

    //Gnerate Link
    var URL = window.location.href;
    var ID = URL.slice(32);
    ID = ID.split("/", 1);
    var Link = "https://www.youtube.com/feeds/videos.xml?channel_id=".concat(ID);
    var Icon = "data:image/png;base64,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";

    //Insert link into page
    if (typeof(document.getElementsByClassName("about-secondary-links")[0]) != "undefined"){
        var HTML = document.getElementsByClassName("about-secondary-links")[0].innerHTML;
        document.getElementsByClassName("about-secondary-links")[0].innerHTML = HTML+"<li class=\"channel-links-item\"> <a href=\""+Link+"\"title=\"RSS Feed\" class=\"about-channel-link yt-uix-redirect-link about-channel-link-with-icon\"><img src=\""+Icon+"\" class=\"about-channel-link-favicon\" width=\"16\" height=\"16\"></a></li>";
    }
    else {
        document.getElementById("header-links").innerHTML = "<ul class=\"about-secondary-links\"><li class=\"channel-links-item\"> <a href=\""+Link+"\"title=\"RSS Feed\" class=\"about-channel-link yt-uix-redirect-link about-channel-link-with-icon\"><img src=\""+Icon+"\" class=\"about-channel-link-favicon\" width=\"16\" height=\"16\"></a></li></ul>";
    }

})();