Audible Notification API

Plays an audio when a browser notification is shown. This script should be applied only for specific sites, since some sites may already have an audible notification. So, once the script is installed, change the @match metadata.

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

You will need to install an extension such as Tampermonkey to install this script.

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.

(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         Audible Notification API
// @namespace    http://tampermonkey.net/
// @version      1.0.4
// @license      GNU AGPLv3
// @description  Plays an audio when a browser notification is shown. This script should be applied only for specific sites, since some sites may already have an audible notification. So, once the script is installed, change the @match metadata.
// @author       jcunews
// @match        *://thesite.com/*
// @match        *://othersite.com/*
// @grant        none
// @run-at       document-start
// ==/UserScript==

(function(ntf, aud) {

  //== CONFIGURATION BEGIN ===

  var audioUrl = "https://soundbible.com/grab.php?id=1952&type=mp3";

  //== CONFIGURATION BEGIN ===

  ntf = window.Notification;
  Notification = function(title, options) {
    aud.pause();
    aud.autoplay = false;
    aud.muted = false;
    if (aud.fastSeek) {
      aud.fastSeek(0);
    } else aud.currentTime = 0;
    aud.play();
    return new ntf(title, options);
  };
  Notification.prototype = {
    onclick: {
      get: function() {
        return ntf.onclick;
      },
      set: function(f) {
        return ntf.onclick = f;
      }
    },
    onclose: {
      get: function() {
        return ntf.onclose;
      },
      set: function(f) {
        return ntf.onclose = f;
      }
    },
    onerror: {
      get: function() {
        return ntf.onerror;
      },
      set: function(f) {
        return ntf.onerror = f;
      }
    },
    onshow: {
      get: function() {
        return ntf.onshow;
      },
      set: function(f) {
        return ntf.onshow = f;
      }
    }
  };
  Notification.requestPermission = function() {
    return ntf.requestPermission.apply(ntf, arguments);
  };

  aud = new Audio(audioUrl);
  aud.autoplay = true;
  aud.muted = true;
  aud.style.display = "none!important";
  addEventListener("load", function() {
    document.body.appendChild(aud);
  });
})();