Disable YouTube Numbers

Disable top-row 1-9, numpad 1-9, 0, Home, and End keys on YouTube video pages

You will need to install an extension such as Tampermonkey, Greasemonkey or Violentmonkey to install this script.

Bạn sẽ cần cài đặt một tiện ích mở rộng như Tampermonkey hoặc Violentmonkey để cài đặt kịch bản này.

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.

(Tôi đã có Trình quản lý tập lệnh người dùng, hãy cài đặt nó!)

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         Disable YouTube Numbers
// @namespace    https://violentmonkey.github.io/
// @version      1.2
// @description  Disable top-row 1-9, numpad 1-9, 0, Home, and End keys on YouTube video pages
// @author       Alyssa B. Morton
// @license      MIT
// @match        https://www.youtube.com/*
// @grant        none
// ==/UserScript==

(function() {
    'use strict';

    // Keys to block
    const blockedKeys = [
        'Digit0','Digit1','Digit2','Digit3','Digit4','Digit5','Digit6','Digit7','Digit8','Digit9', // Top row
        'Numpad0','Numpad1','Numpad2','Numpad3','Numpad4','Numpad5','Numpad6','Numpad7','Numpad8','Numpad9', // Numpad
        'Home','End' // Home/End keys
    ];

    // Only apply on video pages
    function isVideoPage() {
        return window.location.pathname === '/watch';
    }

    document.addEventListener('keydown', function(e) {
        if (!isVideoPage()) return; // Do nothing if not a video page

        // Only block if no modifier keys
        if (!e.ctrlKey && !e.altKey && !e.metaKey && !e.shiftKey) {
            if (blockedKeys.includes(e.code)) {
                e.stopPropagation();
                e.preventDefault();
                // Optional: console.log('Blocked key:', e.code);
            }
        }
    }, true); // capture phase to override YouTube listeners

})();