how to know if js is recognizing the speech or not code example

Example 1: speech to text in js

function readOutLoud(message) {
  var speech = new SpeechSynthesisUtterance();

  // Set the text and voice attributes.
  speech.text = message;
  speech.volume = 1;
  speech.rate = 1;
  speech.pitch = 1;

  window.speechSynthesis.speak(speech);
}

Example 2: speech to text in js

$('#start-record-btn').on('click', function(e) {
  recognition.start();
});