Bypass Tab Switch Detection

Prevents websites from detecting tab switches by overriding visibility and focus events.

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         Bypass Tab Switch Detection
// @namespace    http://tampermonkey.net/
// @version      1.0
// @description  Prevents websites from detecting tab switches by overriding visibility and focus events.
// @author       Devrill
// @match        *://*/*
// @icon         https://i.imgur.com/xePbmM7.png
// @license      MIT
// @locale       en
// @grant        none
// ==/UserScript==



(function() {
    'use strict';

    // Override document.hidden and document.visibilityState
    Object.defineProperty(document, 'hidden', {
        get: function() {
            return false;
        }
    });

    Object.defineProperty(document, 'visibilityState', {
        get: function() {
            return 'visible';
        }
    });

    // Stop blur and focus events from being triggered
    window.addEventListener('blur', function(e) {
        e.stopImmediatePropagation();
    }, true);

    window.addEventListener('focus', function(e) {
        e.stopImmediatePropagation();
    }, true);

    console.log('Tab switch detection bypassed!');
})();