createCanvas(400, 400);

​

  let utterance = new SpeechSynthesisUtterance();

  utterance.text = "Hello World";

  //utterance.lang = "zh-cn";

  //utterance.pitch = 1;

  //utterance.rate = 1;

  //utterace.volume = 1;

  speechSynthesis.speak(utterance);

}

​

function draw() {

  background(220);

}