YouTube Window Size FullScreen

Window Size FullScreen for YouTube

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 or Violentmonkey 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.

(У мене вже є менеджер скриптів, дайте мені встановити його!)

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 Window Size FullScreen
// @name:ja         [Youtube]全画面 ブラウザサイズ
// @namespace       https://midra.me
// @version         1.0.1
// @description     Window Size FullScreen for YouTube
// @description:ja  YouTubeの全画面表示をブラウザサイズにするスクリプト
// @author          Midra
// @license         MIT
// @match           https://www.youtube.com/*
// @icon            https://www.google.com/s2/favicons?sz=64&domain=youtube.com
// @run-at          document-start
// @noframes
// ==/UserScript==

(() => {
  'use strict'

  Element.prototype.requestFullscreen = function () {
    Object.defineProperty(document, 'fullscreenElement', {
      get: () => this,
      configurable: true,
    })
    document.dispatchEvent(new Event('fullscreenchange'))
  }
  Document.prototype.exitFullscreen = function () {
    Object.defineProperty(document, 'fullscreenElement', {
      get: () => null,
      configurable: true,
    })
    document.dispatchEvent(new Event('fullscreenchange'))
  }
})()