nonumpad

scripts/nonumpad.js

@@ -0,0 +1,38 @@
+// ==UserScript==
+// @name         No youtube numpad
+// @match        https://www.youtube.com/watch*
+// @author       Stabosa87
+// @grant        none
+// ==/UserScript==
+
+(function () {
+    'use strict';
+
+    const keyset = new Set([
+        'Digit0','Digit1','Digit2','Digit3','Digit4',
+        'Digit5','Digit6','Digit7','Digit8','Digit9',
+        'Numpad0','Numpad1','Numpad2','Numpad3','Numpad4',
+        'Numpad5','Numpad6','Numpad7','Numpad8','Numpad9'
+    ]);
+
+    function typing(el) {
+        if (!el) return false;
+
+        const tag = el.tagName;
+        if (tag === 'INPUT' || tag === 'TEXTAREA') return true;
+        if (el.isContentEditable) return true;
+
+        return false;
+    }
+
+    function handler(e) {
+        if (!keyset.has(e.code)) return;
+        if (typing(document.activeElement)) return;
+
+        e.preventDefault();
+        e.stopPropagation();
+        e.stopImmediatePropagation();
+    }
+
+    document.addEventListener('keydown', handler, true);
+})();