Super simple tampermonkey scirpt that collects data then displays it

template.userscript

// ==UserScript==
// @name         Insert info panel - template
// @namespace    http://tampermonkey.net/
// @version      0.1
// @description  A template to make pulling information then displaying it in a simple div easier
// @author       You
// @match        https://www.google.com/
// @grant        none
// ==/UserScript==

// A CSS selector, will use the first match
const targetSelector = "#tophf";
const dataCollectorFunctions =
      [
          () => { return document.querySelector('.gb_lb').innerText; }
      ];

(function() {
    'use strict';

    var match = document.querySelector(targetSelector);

    var data = dataCollectorFunctions.map(e => e());

    var el = document.createElement('div');
    el.innerHTML = '<p>Hello World! Aka ' + data + '</p>';

    match.appendChild(el);
})();