Continuous recognition by SpeechRecognition API

recognition.js

const recognitions = [];

function R() {
  const recognition = new window.SpeechRecognition();

  recognition.onresult = function(ev) {
    const resultText = ev.results[0][0].transcript;
    console.warn(resultText);
  };

  recognition.onend = function() {
    recognitions.push(new R());
  };

  // all events
  [
    'onaudioend',
    'onaudiostart',
    'onerror',
    'onnomatch',
    'onsoundend',
    'onsoundstart',
    'onspeechend',
    'onspeechstart',
    'onstart',
  ].forEach(evName => {
    recognition[evName] = function(ev) {
      // console.log(evName, ev);
    };
  });

  recognition.start();
  return recognition;
}