UserScript: Append Streamer Name To Twitch Chat Page Title

UpdateTwitchChatTitle.user.js

// ==UserScript==
// @name         Append Streamer Name To Twitch Chat Page Titles
// @namespace    https://gist.github.com/dcpesses
// @version      1.0.1
// @description  Adds the streamer's username to the title of Twitch chat popout pages to help indicate which stream you're viewing.
// @author       dcpesses
// @match        https://twitch.tv/popout/*
// @match        https://www.twitch.tv/popout/*
// @grant        none
// ==/UserScript==

(function() {
    let path_array = location.pathname.split('/');
    if (path_array.length > 2) {
        document.title = 'Twitch: '+ path_array[2];
    }
})();