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              <div class="intro">
  This was put together as a result of me having a great time learning from lesson 20 of <a href="https://javascript30.com">#javascript30</a> by <a href="https://twitter.com/wesbos">@wesbos</a>.
</div>
<div class="controls">
  <div>
    <input type="radio" name="language" value="da-DK" checked>
    <label for="male">Dansk</label>
    <input type="radio" name="language" value="es-MX">
    <label for="female">Español (MX)</label>
    <input type="radio" name="language" value="en-US">
    <label for="other">English (US)</label>
  </div>
  <div class="controls__text">
    <p><span class="say">Sig</span> <span class="trigger">skift farve</span> <span class="explain">for at skifte baggrundsfarve</span></p>
  </div>
</div>
<div class="words" contenteditable>
</div>
            
          
!
            
              :root {
  --bg: #ffc600;
}

html {
  font-size: 10px;
}

body {
  background: var(--bg);
  font-family: 'helvetica neue';
  font-weight: 200;
  font-size: 20px;
}

.intro {
  font-weight: bold;
}
.controls {
  max-width: 500px;
  margin: 50px auto;
}

.controls__text {
  margin-top: 20px;
}

.trigger {
  font-style: italic;
}

.words {
  max-width: 500px;
  margin: 50px auto;
  background: white;
  border-radius: 5px;
  box-shadow: 10px 10px 0 rgba(0, 0, 0, 0.1);
  padding: 1rem 2rem 1rem 5rem;
  background: -webkit-gradient(
      linear,
      0 0,
      0 100%,
      from(#d9eaf3),
      color-stop(4%, #fff)
    )
    0
    4px;
  background-size: 100% 3rem;
  position: relative;
  line-height: 3rem;
}

p {
  margin: 0 0 3rem;
}

.words:before {
  content: '';
  position: absolute;
  width: 4px;
  top: 0;
  left: 30px;
  bottom: 0;
  border: 1px solid;
  border-color: transparent #efe4e4;
}

            
          
!
            
              window.SpeechRecognition =
  window.SpeechRecognition || window.webkitSpeechRecognition;

const recognition = new SpeechRecognition();
recognition.lang = "da-DK ";
recognition.interimResults = true;

const langStrings = {
  "da-DK": {
    say: "Sig",
    trigger: "skift farve",
    explain: "for at skifte farve"
  },
  "es-MX": {
    say: "Di",
    trigger: "cambia el color",
    explain: "para cambiar el color de fondo"
  },
  "en-US": {
    say: "Say",
    trigger: "change background",
    explain: "to change the background color"
  }
};

const controls = document.querySelector(".controls");
const say = controls.querySelector(".say");
const trigger = controls.querySelector(".trigger");
const explain = controls.querySelector(".explain");
controls.addEventListener("change", e => {
  if (!e.target.matches("input") || !e.target.checked) {
    // Not what we are listening for, so return.
    return;
  }
  // Set the language.
  recognition.lang = e.target.value;
  // Update the controls text.
  say.textContent = langStrings[e.target.value].say;
  trigger.textContent = langStrings[e.target.value].trigger;
  explain.textContent = langStrings[e.target.value].explain;
});

let p = document.createElement("p");
const words = document.querySelector(".words");
words.append(p);

function changeColor() {
  document.documentElement.style.setProperty(
    "--bg",
    `hsl(${360 * Math.random()}, ${100 * Math.random()}%, ${90 *
    Math.random()}%)`
  );
}

recognition.addEventListener("result", e => {
  const transcript = Array.from(e.results)
  .map(result => result[0])
  .map(result => result.transcript)
  .join("");
  p.textContent = transcript;
  if (e.results[0].isFinal) {
    p = document.createElement("p");
    words.appendChild(p);

    if (transcript.includes(trigger.textContent)) {
      changeColor();
    }
  }
});

recognition.addEventListener("end", e => {
  recognition.start();
});
recognition.start();

            
          
!
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