JSFiddle - React, Tailwind, and code Playground

by SĂ©bastien Lorentz

HTML

<h1>Speech color changer</h1>

    <p class="hints"></p>
    <div>
        <p class="output"><em>...diagnostic messages</em></p>
    </div>

CSS

body, html {
  margin: 0;
}

html {
  height: 100%;
}

body {
  height: inherit;
  overflow: hidden;
  max-width: 800px;
  margin: 0 auto;
}

h1, p {
  font-family: sans-serif;
  text-align: center;
  padding: 20px;
}

div {
  height: 100px;
  overflow: auto;
  position: absolute;
  bottom: 0px;
  right: 0;
  left: 0;
  background-color: rgba(255,255,255,0.2);
}

ul {
  margin: 0;
}

.hints span {
  text-shadow: 0px 0px 6px rgba(255,255,255,0.7);
}

JavaScript

var SpeechRecognition = SpeechRecognition || webkitSpeechRecognition
var SpeechGrammarList = SpeechGrammarList || window.webkitSpeechGrammarList
var SpeechRecognitionEvent = SpeechRecognitionEvent || webkitSpeechRecognitionEvent

var colors = [ 'aqua' , 'azure' , 'beige', 'bisque', 'black', 'blue', 'brown', 'chocolate', 'coral', 'crimson', 'cyan', 'fuchsia', 'ghostwhite', 'gold', 'goldenrod', 'gray', 'green', 'indigo', 'ivory', 'khaki', 'lavender', 'lime', 'linen', 'magenta', 'maroon', 'moccasin', 'navy', 'olive', 'orange', 'orchid', 'peru', 'pink', 'plum', 'purple', 'red', 'salmon', 'sienna', 'silver', 'snow', 'tan', 'teal', 'thistle', 'tomato', 'turquoise', 'violet', 'white', 'yellow'];

var recognition = new SpeechRecognition();
if (SpeechGrammarList) {
  // SpeechGrammarList is not currently available in Safari, and does not have any effect in any other browser.
  // This code is provided as a demonstration of possible capability. You may choose not to use it.
  var speechRecognitionList = new SpeechGrammarList();
  var grammar = '#JSGF V1.0; grammar colors; public <color> = ' + colors.join(' | ') + ' ;'
  speechRecognitionList.addFromString(grammar, 1);
  recognition.grammars = speechRecognitionList;
}
recognition.continuous = false;
recognition.lang = 'en-US';
recognition.interimResults = false;
recognition.maxAlternatives = 1;

var diagnostic = document.querySelector('.output');
var bg = document.querySelector('html');
var hints = document.querySelector('.hints');

var colorHTML= '';
colors.forEach(function(v, i, a){
  console.log(v, i);
  colorHTML += '<span style="background-color:' + v + ';"> ' + v + ' </span>';
});
hints.innerHTML = 'Tap/click then say a color to change the background color of the app. Try ' + colorHTML + '.';

document.body.onclick = function() {
  recognition.start();
  console.log('Ready to receive a color command.');
}

recognition.onresult = function(event) {
  // The SpeechRecognitionEvent results property returns a...