youtube Extend Button

Adds a Button to 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 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.

(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 Extend Button
// @version      0.1
// @description  Adds a Button to YouTube
// @author       MarissaChan
// @include      http*://*.youtube.com/*
// @include      http*://youtube.com/*
// @include      http*://*.youtu.be/*
// @include      http*://youtu.be/*
// @run-at       document-end
// @grant        MIT
// @namespace https://greasyfork.org/users/149000
// ==/UserScript==

function addExtendButton(){

    if (document.getElementById("watch8-secondary-actions") !== null && document.getElementById("watch8-secondary-actions").querySelector("#extendButton") === null){

        var extendButton = document.createElement("button");
        extendButton.setAttribute("id", "extendButton");
        extendButton.classList.add("yt-uix-button", "yt-uix-button-size-default", "yt-uix-button-opacity", "yt-uix-tooltip");
        var content = document.createElement("span");
        content.classList.add("yt-uix-button-content");
        content.innerHTML = "Extend";
        extendButton.appendChild(content);
        document.getElementById("watch8-secondary-actions").insertBefore(extendButton, document.getElementById("watch8-secondary-actions").children[2]);var url = window.location.href;
        var videoid = url.match(/(?:https?:\/{2})?(?:w{3}\.)?youtu(?:be)?\.(?:com|be)(?:\/watch\?v=|\/)([^\s&]+)/);
        if(videoid !== null) {
            console.log("video id = ",videoid[1]);
            extendButton.addEventListener('click', function() {
                document.location.href = "https://www.youtube.com/embed/" + videoid[1];
            }, false);

        }
	}

}

setInterval(addExtendButton, 50);