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Teste super simples

Testa se o script roda

Jak nainstalovat

K instalaci tototo skriptu si budete muset nainstalovat rozšíření jako Tampermonkey, Greasemonkey nebo Violentmonkey.

You will need to install an extension such as Tampermonkey to install this script.

K instalaci tohoto skriptu si budete muset nainstalovat rozšíření jako Tampermonkey nebo Violentmonkey.

K instalaci tohoto skriptu si budete muset nainstalovat rozšíření jako Tampermonkey nebo Userscripts.

You will need to install an extension such as Tampermonkey to install this script.

K instalaci tohoto skriptu si budete muset nainstalovat manažer uživatelských skriptů.

(Už mám manažer uživatelských skriptů, nechte mě ho nainstalovat!)

Jak nainstalovat

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

(Už mám manažer uživatelských stylů, nechte mě ho nainstalovat!) 

// ==UserScript==
// @name         Teste super simples
// @namespace    http://tampermonkey.net/
// @version      0.1
// @description  Testa se o script roda
// @match        https://www.haxball.com/play*
// @grant        none
// ==/UserScript==

(function() {
  'use strict';
  console.log("Script rodou!");
  let div = document.createElement("div");
  div.textContent = "Olá, Haxball!";
  div.style.position = "absolute";
  div.style.top = "20px";
  div.style.left = "20px";
  div.style.backgroundColor = "red";
  div.style.padding = "5px";
  document.body.appendChild(div);
})();