JSFiddle - React, Tailwind, and code Playground

HTML

<script src="https://www.youtube.com/iframe_api"></script>
<iframe width="420" height="315" src="https://www.youtube.com/embed/2BagaJFimzk?autohide=1&showinfo=0&rel=0&enablejsapi=1&origin=http%3A%2F%2Fjsfiddle.net" frameborder="0" allowfullscreen></iframe>
<button>please stop :(</button>

JavaScript

var thisvid;

function onYouTubePlayerAPIReady() {
    thisvid = new YT.Player($('iframe')[0]);
}

if (!thisvid) onYouTubePlayerAPIReady();

$('button').click(function () {
    thisvid.pauseVideo();
});