JSFiddle - React, Tailwind, and code Playground

HTML

<script   src="https://code.jquery.com/jquery-2.2.2.min.js"   integrity="sha256-36cp2Co+/62rEAAYHLmRCPIych47CvdM+uTBJwSzWjI="   crossorigin="anonymous"></script>
	<script src='https://code.responsivevoice.org/responsivevoice.js'></script>

<div id='log'>
  playing...
</div>
</div>

JavaScript

var OnFinishedPlaying = function () {
  	$("#log").text('fnished playing');
    alert('finished playing');
  };
  responsiveVoice.speak('Responsive Voice is ready', "UK English Male", {onend: OnFinishedPlaying});