webkitSpeechRecognition API usage example

webkit-speech-recognition.js

// copy-paste this into a Chrome new tab console and allow mirophone input
// when prompted

var r = new webkitSpeechRecognition()
r.continuous = true
r.interimResults = true

r.onresult = e =>
  console.log(
    [...e.results].map(
      r => r.length > 1
        ? '[' + [...r].map(a => a.transcript).join('|') + ']'
        : r[0].transcript).join(' '))

r.start()