Undetectorized

Keeps sites blind to tab switches and window blur. Fully blocks all focus and visibility checks.. like, waay more solid than the standard “Always On Focus” scripts. Btw Shoutout to daijro.

Verze ze dne 21. 11. 2025. Zobrazit nejnovější verzi.

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

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 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!)

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          Undetectorized
// @namespace     bypass.focus.fixed
// @version       5.2
// @author        @DoesBadThingsGuy
// @icon          https://i.imgur.com/l8qT82q.jpeg
// @description   Keeps sites blind to tab switches and window blur. Fully blocks all focus and visibility checks.. like, waay more solid than the standard “Always On Focus” scripts. Btw Shoutout to daijro.
// @include       *
// @run-at        document-start
// ==/UserScript==

(function() {
    const uw = unsafeWindow;
    const patch = () => {
        try {
            uw.document.hasFocus = () => true;
            uw.hasFocus = () => true;
            Object.defineProperty(document, "visibilityState", { get: () => "visible" });
            ["hidden","mozHidden","msHidden","webkitHidden"].forEach(p =>
                Object.defineProperty(document, p, { value: false })
            );
            window.onblur = null;
            window.onfocus = null;
            document.onblur = null;
            document.onfocus = null;
            window.focus = () => true;
            document.focus = () => true;
            window.onbeforeunload = null;
            document.onbeforeunload = null;
            Object.defineProperty(window, "onbeforeunload", {
                set: () => true,
                get: () => null
            });
        } catch(e){}
    };

    const blockEvents = () => {
        try {
            const evs = [
                "visibilitychange","webkitvisibilitychange","mozvisibilitychange","msvisibilitychange",
                "blur","focus","focusin","focusout",
                "mouseleave","mouseout","mouseenter","mouseover",
                "pageshow","pagehide","resume","freeze"
            ];
            const handler = e => {
                e.stopImmediatePropagation();
                e.stopPropagation();
                e.preventDefault();
            };
            evs.forEach(ev => {
                window.addEventListener(ev, handler, true);
                document.addEventListener(ev, handler, true);
            });
        } catch(e){}
    };

    const hookAddEvent = () => {
        try {
            const blocked = [
                "visibilitychange","webkitvisibilitychange","mozvisibilitychange","msvisibilitychange",
                "blur","focus","focusin","focusout",
                "mouseleave","mouseout","mouseenter","mouseover",
                "beforeunload",
                "pageshow","pagehide","resume","freeze"
            ];
            const orig = EventTarget.prototype.addEventListener;
            EventTarget.prototype.addEventListener = function(type, listener, opts) {
                if (blocked.includes(type)) return;
                return orig.call(this, type, listener, opts);
            };
        } catch(e){}
    };

    const patchTiming = () => {
        try {
            const base = performance.now();
            performance.now = () => base + Math.random() * 0.01;
            const oRAF = uw.requestAnimationFrame;
            uw.requestAnimationFrame = cb => oRAF(() => cb(performance.now()));
            const oTO = uw.setTimeout;
            uw.setTimeout = (fn, t) => oTO(fn, 0);
        } catch(e){}
    };

    patch();
    blockEvents();
    hookAddEvent();
    patchTiming();

    setInterval(() => {
        patch();
        hookAddEvent();
        patchTiming();
    }, 100);

})();