text: const listenButton = document.getElementById('listen-button');
  listenButton.addEventListener('click', (e) => doSpeechPlayback());
  
  
  function doSpeechPlayback() {
  
  	var synth = window.speechSynthesis;
  	var contents = document.getElementById('ocr-contents').textContent;
  	var utterThis = new SpeechSynthesisUtterance(contents);
  	synth.speak(utterThis);
  
  }
  