MathTrainer Premium Bypass

Bypass the premium version in MathTrainer.org.

You will need to install an extension such as Tampermonkey, Greasemonkey or Violentmonkey to install this script.

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

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

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

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

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

(У мене вже є менеджер скриптів, дайте мені встановити його!)

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.

(I already have a user style manager, let me install it!)

// ==UserScript==
// @name         MathTrainer Premium Bypass
// @namespace    https://www.mathtrainer.org/
// @version      1.2
// @description  Bypass the premium version in MathTrainer.org.
// @author       MinusKube
// @match        https://www.mathtrainer.org/
// @grant        none
// ==/UserScript==

// Yes, the code is ugly and old, but I don't mind :3

(function() {
    'use strict';

    var style = document.createElement("style");

    // One-line for better compatibility
    style.innerHTML = ".is-blurred { filter: none !important; } .is-inactive, .is-inactive:hover { cursor: default !important; opacity: 1 !important; } .lock-overlay { display: none !important; }";

    document.head.appendChild(style);

    setInterval(function() {
        var inactiveElements = document.getElementsByClassName("is-inactive");

        for (var i = 0; i < inactiveElements.length; i++) {
            var element = inactiveElements[i];
            var className = element.className.replace("is-inactive", "");
            element.className = className;
        }

        document.getElementsByName("warmupMode")[0].disabled = false;
        document.getElementsByName("addition")[0].disabled = false;
        document.getElementsByName("subtraction")[0].disabled = false;
        document.getElementsByName("multiplication")[0].disabled = false;
        document.getElementsByName("division")[0].disabled = false;
        document.getElementsByName("darkTheme")[0].disabled = false;
    }, 2000);
})();