Text to Speech with JavaScript

textToSpeech.js

const textToSpeech = (text) => {
    const speech = new SpeechSynthesisUtterance(text);
    [speech.voice] = speechSynthesis.getVoices();
    // sp.rate = ?; //speed of the voice. Default value is 1.  lowest = 0.1 and highest = 10
    // sp.pitch = ?; //pitch of the voice. Default value is 1. lowest = 0 and highest = 2
    speechSynthesis.speak(speech);
};

textToSpeech('Hello TalkJS!');