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Makes the YouTube volume slider exponential so it's easier to select lower volumes.
// ==UserScript==
// @name YouTube Exponential Volume Slider
// @namespace https://www.tampermonkey.net/
// @version 1.1.3
// @description Makes the YouTube volume slider exponential so it's easier to select lower volumes.
// @author Lukas Reinert
// @icon https://www.youtube.com/img/favicon.ico
// @match https://www.youtube.com/*
// @match https://music.youtube.com/*
// @license MIT
// @run-at document-start
// @grant none
// ==/UserScript==
(function() {
'use strict';
const EXPONENT = 2.5;
const storedOriginalVolumes = new WeakMap();
const {get, set} = Object.getOwnPropertyDescriptor(HTMLMediaElement.prototype, 'volume');
Object.defineProperty(HTMLMediaElement.prototype, 'volume', {
get() {
const lowVolume = get.call(this);
const storedOriginalVolume = storedOriginalVolumes.get(this);
if (storedOriginalVolume !== undefined) return storedOriginalVolume;
return Math.pow(lowVolume, 1 / EXPONENT);
},
set(originalVolume) {
const adjustedVolume = Math.pow(originalVolume, EXPONENT);
storedOriginalVolumes.set(this, originalVolume);
set.call(this, adjustedVolume);
console.log(`YouTube Volume: ${Math.round(originalVolume*100)}% (adjusted to ${(adjustedVolume * 100).toFixed(3)}%)`);
}
});
// Ensure any videos already on the page get their volume adjusted
const videos = document.getElementsByTagName('video');
for (const video of videos) {
if (!storedOriginalVolumes.has(video)) {
const orig = video.volume;
video.volume = orig; // triggers setter
}
}
})();