text to speech and speech to text in javascript code example

Example 1: how to do text to speech in javascript

var msg = new SpeechSynthesisUtterance();
msg.text = "Hello World";
window.speechSynthesis.speak(msg);

Example 2: javascript voice reader

var msg = new SpeechSynthesisUtterance();
msg.text = "Hello World";
window.speechSynthesis.speak(msg);

Example 3: speech to text in js

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