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Disable Notifications API

Disable Notifications API where sites may show popup notifications message at bottom-right of the web browser. Any sites which require Notifications API may cause the web browser to ask user for a permission to display notifications. This script disables both the notifications and the permission prompt. It is intended for users who find them annoying.

  1. // ==UserScript==
  2. // @name         Disable Notifications API
  3. // @namespace    https://greasyfork.org/en/users/85671-jcunews
  4. // @version      1.0.1
  5. // @license      GNU AGPLv3
  6. // @description  Disable Notifications API where sites may show popup notifications message at bottom-right of the web browser. Any sites which require Notifications API may cause the web browser to ask user for a permission to display notifications. This script disables both the notifications and the permission prompt. It is intended for users who find them annoying.
  7. // @author       jcunews
  8. // @match        *://*/*
  9. // @grant        none
  10. // @run-at       document-start
  11. // ==/UserScript==
  12.  
  13. (function() {
  14.   window.Notification = {
  15.     get permission() {
  16.       return "denied";
  17.     },
  18.     set permission(a) {
  19.       return "denied";
  20.     },
  21.     requestPermission: function(fn) {
  22.       if ("function" === typeof fn) {
  23.         fn("denied");
  24.         return;
  25.       } else {
  26.         return {
  27.           then: function(fn) {
  28.             fn("denied");
  29.             return this;
  30.           }
  31.         };
  32.       }
  33.     }
  34.   };
  35. })();