Adds a picture in picture button to youtube videos.
// ==UserScript==// @name YT P-I-P// @namespace none// @version 0.1// @description Adds a picture in picture button to youtube videos.// @author Beastwick18// @match https://www.youtube.com/*// @grant none// ==/UserScript==function pip() {}(function() {'use strict';var rightControls = document.getElementsByClassName('ytp-right-controls')[0];rightControls.lastChild.insertAdjacentHTML('beforebegin','<button class="ytp-popout-button ytp-button" aria-label="Picture-in-picture" title="Picture-in-picture" id="popout-player-control-button" onclick=""><svg width="100%" height="100%" viewBox="0 0 36 36" version="1.1"><use class="ytp-svg-shadow" xlink:href="#ytp-svg-pop-frame"></use><path id="ytp-svg-pop-frame" d="m 9,10 v 16 h 18 v -4 h -2 v 2 H 11 V 12 h 3 v -2 z" class="ytp-svg-fill"></path><use class="ytp-svg-shadow" xlink:href="#ytp-svg-pop-popout"></use><path id="ytp-svg-pop-popout" d="M 16,9 V 20 H 28 V 9 Z m 2,2 h 8 v 7 h -8 z" class="ytp-svg-fill"></path></svg></button>');var pipButton = document.getElementById("popout-player-control-button");pipButton.addEventListener('click',() => {if (document.pictureInPictureElement) {document.exitPictureInPicture();pipButton.style = "background: none;";} else {document.getElementsByTagName('video')[0].requestPictureInPicture();pipButton.style = "background: rgba(255,255,255,.3);";}})document.addEventListener("leavepictureinpicture", e => {pipButton.style = "background: none;";});})();