Disable YouTube Numbers

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

คุณจะต้องติดตั้งส่วนขยาย เช่น Tampermonkey, Greasemonkey หรือ Violentmonkey เพื่อติดตั้งสคริปต์นี้

คุณจะต้องติดตั้งส่วนขยาย เช่น Tampermonkey หรือ Violentmonkey เพื่อติดตั้งสคริปต์นี้

คุณจะต้องติดตั้งส่วนขยาย เช่น Tampermonkey หรือ Violentmonkey เพื่อติดตั้งสคริปต์นี้

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         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

})();