YouTube Volume Control on Hover

Control YouTube volume by scrolling your mouse wheel while hovering over the video player — no need to click!

ของเมื่อวันที่ 22-04-2025 ดู เวอร์ชันล่าสุด

คุณจะต้องติดตั้งส่วนขยาย เช่น Tampermonkey, Greasemonkey หรือ Violentmonkey เพื่อติดตั้งสคริปต์นี้

คุณจะต้องติดตั้งส่วนขยาย เช่น Tampermonkey หรือ Violentmonkey เพื่อติดตั้งสคริปต์นี้

คุณจะต้องติดตั้งส่วนขยาย เช่น Tampermonkey หรือ Violentmonkey เพื่อติดตั้งสคริปต์นี้

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         YouTube Volume Control on Hover
// @namespace    https://greatest.deepsurf.us/users/1461079
// @version      1.0
// @description  Control YouTube volume by scrolling your mouse wheel while hovering over the video player — no need to click!
// @author       Michaelsoft
// @match        *://www.youtube.com/*
// @grant        none
// @run-at       document-start
// @license      MIT
// ==/UserScript==

(function() {
    'use strict';

    let video = null;
    let player = null;

    // === USER-ADJUSTABLE SETTINGS ===
    const VOLUME_STEP = 5; // Change this value to adjust how much volume changes per scroll (e.g. 1, 5, 10)

    function getYouTubePlayerAPI() {
        const ytp = document.querySelector('.html5-video-player');
        return ytp && typeof ytp.getVolume === 'function' && typeof ytp.setVolume === 'function' ? ytp : null;
    }

    function showOverlay(volumePercent) {
        let overlay = document.getElementById('volume-overlay');
        if (!overlay) {
            overlay = document.createElement('div');
            overlay.id = 'volume-overlay';
            overlay.style.position = 'fixed';
            overlay.style.top = '10%';
            overlay.style.left = '50%';
            overlay.style.transform = 'translateX(-50%)';
            overlay.style.padding = '10px 20px';
            overlay.style.background = 'rgba(0,0,0,0.7)';
            overlay.style.color = '#fff';
            overlay.style.fontSize = '18px';
            overlay.style.borderRadius = '5px';
            overlay.style.zIndex = '9999';
            document.body.appendChild(overlay);
        }

        overlay.innerText = `Volume: ${volumePercent}%`;
        overlay.style.display = 'block';

        clearTimeout(window.volTimer);
        window.volTimer = setTimeout(() => {
            overlay.style.display = 'none';
        }, 1000);
    }

    function handleScroll(event) {
        event.preventDefault();
        if (!player) return;

        let currentVolume = player.getVolume(); // 0-100
        let newVolume = event.deltaY < 0
            ? Math.min(currentVolume + VOLUME_STEP, 100)
            : Math.max(currentVolume - VOLUME_STEP, 0);

        player.setVolume(newVolume);
        showOverlay(newVolume);
    }

    document.addEventListener('mouseover', function(event) {
        if (event.target.tagName === 'VIDEO') {
            video = event.target;
            player = getYouTubePlayerAPI();
            if (player) {
                video.addEventListener('wheel', handleScroll, { passive: false });
            }
        }
    });

    document.addEventListener('mouseleave', function(event) {
        if (event.target.tagName === 'VIDEO') {
            if (video) {
                video.removeEventListener('wheel', handleScroll);
            }
            video = null;
            player = null;
        }
    });

})();