JSFiddle - React, Tailwind, and code Playground

HTML

<button id="btn">Play</button>

<object type="application/x-shockwave-flash" id="yt" data="http://www.youtube.com/v/6eK-W32IME0?fs=1&amp;enablejsapi=1&amp;hl=en_US" width="330" height="200"><param name="allowScriptAccess" value="always"/></object>

JavaScript

var yt = document.getElementById("yt");

document.getElementById('btn').onclick = play;

function play() {
    yt.playVideo();            
}