// ==UserScript==
// @name         lol tronclass
// @namespace    no
// @version      0.2
// @description  lol teacher
// @author       lol
// @match        https://eclass.yuntech.edu.tw/course/*
// @match        https://eclass.yuntech.edu.tw/exam/*
// @match        https://elearning.yuntech.edu.tw/learn/exam/*
// @icon         https://media.discordapp.net/attachments/922733774633050112/969011518861623376/256.png
// @grant        none
// @license MIT
// ==/UserScript==

for (let event_name of ["visibilitychange", "webkitvisibilitychange", "blur"]) {
    window.addEventListener(event_name, function(event) {
        event.stopImmediatePropagation();
    }, true);
}

for (let full_event_name of ["fullscreenElement","fullscreenEnabled","mozFullScreenEnabled", "webkitFullscreenEnabled", "msFullscreenEnabled","webkitIsFullScreen"]) {
    window.addEventListener(full_event_name, function(event) {
        event.stopImmediatePropagation();
    }, true);
}

window.addEventListener('load', function() {
    document.getElementById("Symbol(water-mark)").style.background = ""
}, false);