Add 'Stop Fucking With My Mouse & Keyboard'

(General)/StopFuckingWithMyMouseAndKeyboard.user.js

@@ -0,0 +1,42 @@
+// ==UserScript==
+// @name         Stop Fucking With My Mouse & Keyboard
+// @description  Prevents websites from hijacking middle-clicks, right-clicks, and common keyboard shortcuts.
+// @version      1
+// @license      MPL-2.0
+// @namespace    https://chylex.com
+// @homepageURL  https://github.com/chylex/Userscripts
+// @supportURL   https://github.com/chylex/Userscripts/issues
+// @include      http://*
+// @include      https://*
+// @grant        none
+// ==/UserScript==
+
+var unfuckMouse = function(e){
+  if (e.button === 1 || e.button === 2){ // Middle & right click
+    e.stopPropagation();
+  }
+};
+
+var unfuckKeyboard = function(e){
+  if (e.ctrlKey){
+    switch(e.keyCode){
+      case 33: // Ctrl + PageUp
+      case 34: // Ctrl + PageDown
+      case 84: // Ctrl + T
+      case 87: // Ctrl + W
+        e.stopImmediatePropagation();
+        return;
+    }
+  }
+  else{
+    switch(e.keyCode){
+      case 116: // F5
+        e.stopImmediatePropagation();
+        return;
+    }
+  }
+};
+
+document.addEventListener("click", unfuckMouse, true);
+document.addEventListener("mousedown", unfuckMouse, true);
+document.addEventListener("keydown", unfuckKeyboard, true);