Hack Random for castlots.org

hack-random-for-castlots.js

// ==UserScript==
// @name         Hack Random for castlots.org
// @namespace    http://tampermonkey.net/
// @version      0.1
// @description  try to take over the world!
// @author       You
// @match        https://castlots.org/generator-sluchajnyh-chisel/
// @icon         https://www.google.com/s2/favicons?sz=64&domain=castlots.org
// @grant        none
// ==/UserScript==

(function() {
    'use strict';

    const numbers = [11, 12, 13, 14, 15];
    const el = document.querySelector(".number2");
    let i = 0;
    const observer = new MutationObserver(() => {
        el.childNodes[1].replaceData(0, 99, numbers[i++] || Math.round(Math.random() * 100))
    });
    observer.observe(el, {attributes: true, childList: true, subtree: true});
})();