JSFiddle - React, Tailwind, and code Playground

HTML

<div id="player"></div>

JavaScript

var tag = document.createElement('script');
tag.src = "https://www.youtube.com/iframe_api";
var firstScriptTag = document.getElementsByTagName('script')[0];
firstScriptTag.parentNode.insertBefore(tag, firstScriptTag);

var player;
function onYouTubeIframeAPIReady() {
    player = new YT.Player('player', {
        height: '250',
        width: '444',
    videoId: 'M7lc1UVf-VE',
    events: {
      'onReady': onPlayerReady
    }
  });
}

function onPlayerReady(event) {
    event.target.playVideo();

}