SpeechRecognition：stop() 方法

stop()

const recognition = new SpeechRecognition();

const diagnostic = document.querySelector(".output");
const bg = document.querySelector("html");
const startBtn = document.querySelector("button");

startBtn.onclick = () => {
  recognition.start();
  console.log("Ready to receive a color command.");
};

recognition.onspeechend = () => {
  recognition.stop();
  console.log("Speech recognition has stopped.");
};