youtube restart button

youtube-restart-button.js

// ==UserScript==
// @name       youtube play from beginning
// @namespace  www.rossdoran.com
// @version    0.2
// @description me
// @match      https://www.youtube.com/watch?v=*
// @match https://www.youtube.com/*
// @require http://ajax.googleapis.com/ajax/libs/jquery/1.7.2/jquery.min.js
// @require https://gist.github.com/raw/2625891/waitForKeyElements.js
// @copyright ross doran 2023
// ==/UserScript==

// custom style
 $('head').append('<style type="text/css">'+
                  '.ytp-replay-button { -webkit-box-flex: 0;    -webkit-flex: 0 0 auto; -moz-box-flex: 0; -ms-flex: 0 0 auto; flex: 0 0 auto; }' +
                 '</style>');


OnLoad(".ytp-prev-button.ytp-button:not('#ytp-replay-button')", function callback(jNode) {

    let video = document.querySelector("video");

    var newNode = document.createElement('a');
    newNode.setAttribute("id", "ytp-replay-button");
    newNode.className = "ytp-prev-button ytp-button";
    newNode.innerHTML = '<svg version="1.1" id="Layer_1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" x="10px" y="0px"'+
	 'width="100%" viewBox="-15 -5 50 50">'+
'<g>'+
'	<path fill="#FFFFFF" stroke="none" d="M27.094,17.125c0.026,0.283,0.044,0.568,0.044,0.857'+
'		c0,5.171-4.206,9.377-9.377,9.377s-9.377-4.206-9.377-9.377s4.207-9.377,9.377-9.377v-4c-7.376,0-13.377,6.001-13.377,13.377'+
'		c0,7.376,6.001,13.377,13.377,13.377c7.376,0,13.377-6.001,13.377-13.377c0-0.289-0.025-0.572-0.044-0.857H27.094z"/>'+
'</g>'+
'<polygon fill="#FFFFFF" stroke="none" points="17.659,2.25 17.659,10.896 22.94,6.573 "/>'+
'<polygon fill="#FFFFFF" stroke="none" points="16.659,13.25 16.659,23.959 21.94,18.604 "/>'+
'</svg>';

    jNode.parent().prepend(newNode);

    newNode.addEventListener('click', function(){

        video.currentTime = 0;
        video.play();

        }, false);
});

function OnLoad(selector, callback)
{
waitForKeyElements(selector, callback);
}

v0.2 - added youtube home page to match to ensure script is loaded from general homepage results