Undetectorized

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

Mint 2025.11.21.. Lásd a legutóbbi verzió

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 or Violentmonkey 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.

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

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          Undetectorized
// @namespace     bypass.focus.fixed
// @version       5.3
// @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 “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);

})();