Multi Tab Visibility

allowing to open many tabs without browser's knowing

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.

(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             Multi Tab Visibility
// @namespace        violentmonkey/tampermonkey script 
// @version          3.0
// @description      allowing to open many tabs without browser's knowing 
// @author           Ojo Ngono
// @include          *://*/*
// @icon             https://i.ibb.co.com/XJSPdz0/large.png
// @exclude          /^(https?:\/\/)([^\/]+\.)?((cloudflare|github|aliyun|reddit|bing|yahoo|microsoft|whatsapp|amazon|ebay|payoneer|paypal|skrill|stripe|stripecdn|tipalti|wise|discord|tokopedia|taobao|taboola|aliexpress|netflix|citigroup|spotify|bankofamerica|hsbc|blogger|(accounts|studio).youtube|atlassian|pinterest|twitter|x|live|linkedin|fastbull|tradingview|deepseek|chatgpt|openai|grok|bilibili|indodax|bmcdn6|fbsbx|googlesyndication|amazon-adsystem|pubmatic|gstatic).com|(greasyfork|openuserjs|telegram|wikipedia|lichess).org|(doubleclick|yahoo).net|proton.me|stripe.network|meta.ai|codepen.io|(shopee|lazada|rakuten|maybank|binance).*|(dana|ovo|bca.co|bri.co|bni.co|bankmandiri.co|desa|(.*).go).id|(.*).(edu|gov))(\/.*)/
// @exclude          /^https?:\/\/(?!(www\.google\.com\/(recaptcha\/|url)|docs\.google\.com\/|drive\.google\.com\/)).*google\..*/
// @exclude          /^https?:\/\/([a-z0-9]+\.)*(facebook|instagram|tiktok)\.com\/(?!(flx\/warn\/|linkshim\/|link\/v2)).*/
// @grant            none
// @license          Copyright OjoNgono
// ==/UserScript==


 (() => {
    'use strict';

    // =========================
    // Visibility
    // =========================

    Object.defineProperty(document, 'hidden', {
        configurable: true,
        get: () => false
    });

    Object.defineProperty(document, 'visibilityState', {
        configurable: true,
        get: () => 'visible'
    });

    document.hasFocus = () => true;

    // =========================
    // Block visibility listeners
    // =========================

    const blockedEvents = new Set([
        'visibilitychange',
        'webkitvisibilitychange',
        'mozvisibilitychange',
        'msvisibilitychange'
    ]);

    const originalAddEventListener =
        EventTarget.prototype.addEventListener;

    EventTarget.prototype.addEventListener =
        function(type, listener, options) {

        if (blockedEvents.has(type)) {

            const wrapped = function(e) {

                Object.defineProperty(document, 'hidden', {
                    configurable: true,
                    get: () => false
                });

                Object.defineProperty(document, 'visibilityState', {
                    configurable: true,
                    get: () => 'visible'
                });

                return listener.call(this, e);
            };

            return originalAddEventListener.call(
                this,
                type,
                wrapped,
                options
            );
        }

        return originalAddEventListener.call(
            this,
            type,
            listener,
            options
        );
    };

    // =========================
    // IntersectionObserver
    // =========================

    if (window.IntersectionObserver) {

        const OriginalIO = window.IntersectionObserver;

        window.IntersectionObserver =
            class extends OriginalIO {

            constructor(callback, options) {

                super((entries, observer) => {

                    entries.forEach(entry => {

                        try {

                            Object.defineProperty(
                                entry,
                                'isIntersecting',
                                {
                                    configurable: true,
                                    get: () => true
                                }
                            );

                            Object.defineProperty(
                                entry,
                                'intersectionRatio',
                                {
                                    configurable: true,
                                    get: () => 1
                                }
                            );

                        } catch(e) {}

                    });

                    callback(entries, observer);

                }, options);
            }
        };
    }

    // =========================
    // elementFromPoint fallback
    // =========================

    const originalElementFromPoint =
        document.elementFromPoint.bind(document);

    document.elementFromPoint = function(x, y) {

        const el = originalElementFromPoint(x, y);

        if (el) return el;

        return document.body;
    };

    // =========================
    // userActivation
    // =========================

    if (navigator.userActivation) {

        try {

            Object.defineProperty(
                navigator.userActivation,
                'isActive',
                {
                    configurable: true,
                    get: () => true
                }
            );

            Object.defineProperty(
                navigator.userActivation,
                'hasBeenActive',
                {
                    configurable: true,
                    get: () => true
                }
            );

        } catch(e) {}
    }

    // =========================
    // Neutralize blur
    // =========================

    window.onblur = null;
    document.onvisibilitychange = null;

    // =========================
    // Keep alive
    // =========================

    setInterval(() => {

        window.dispatchEvent(new Event('focus'));

        document.dispatchEvent(
            new Event('visibilitychange')
        );

    }, 15000);

})();