Adds a 'comments' tab to the tab-bar in every subreddit
// ==UserScript==
// @name Reddit - Comments Tab
// @namespace https://dr-turner.github.io
// @version 0.1
// @description Adds a 'comments' tab to the tab-bar in every subreddit
// @author Dave Turner
// @match https://www.reddit.com/r/*
// ==/UserScript==
(function() {
'use strict';
// find subreddit link
var sub = document.getElementsByClassName('pagename')[0];
var a_tag = sub.children[0];
var current_sub = a_tag.href;
// create comments tab
var li = document.createElement('li');
var a = document.createElement('a');
var tab_text = document.createTextNode('comments');
var new_href = current_sub += 'comments';
// build
a.href = new_href;
a.classList = ['choice'];
a.appendChild(tab_text);
li.appendChild(a);
// get tab bar node
var ul = document.getElementsByClassName('tabmenu')[0];
//attach
ul.appendChild(li);
})();