Volume denormalize

Use shift + mouse wheel to change the volume of first video found on page

K instalaci tototo skriptu si budete muset nainstalovat rozšíření jako Tampermonkey, Greasemonkey nebo Violentmonkey.

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

K instalaci tohoto skriptu si budete muset nainstalovat rozšíření jako Tampermonkey nebo Violentmonkey.

K instalaci tohoto skriptu si budete muset nainstalovat rozšíření jako Tampermonkey nebo Userscripts.

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

K instalaci tohoto skriptu si budete muset nainstalovat manažer uživatelských skriptů.

(Už mám manažer uživatelských skriptů, nechte mě ho nainstalovat!)

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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.

(Už mám manažer uživatelských stylů, nechte mě ho nainstalovat!)

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(function() {
    'use strict';
// ==UserScript==
// @name         Volume denormalize
// @namespace    http://tampermonkey.net/
// @version      0.0.2
// @description  Use shift + mouse wheel to change the volume of first video found on page
// @author       Andrei Balashov
// @match        *://*/*
// @icon         https://www.google.com/s2/favicons?domain=youtube.com
// @grant        none
// @license      MIT
// ==/UserScript==

    addEventListener("wheel", (event) => {
        if(!event.shiftKey){
            return
        }
        if(event.deltaY<0){
            document.querySelector('video').volume *= 1.1
        }else{
            document.querySelector('video').volume *= 0.9
        }
    })

})();