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              <button id="success">Play Success Sound</button>
<button id="error">Play Error Sound</button>
              button {
  border: 0;
  padding: 1rem 3rem;
#success {
  background: lightgreen;
#error {
  background: pink;
              const context = new window.AudioContext();

function playFile(filepath) {
  // see https://jakearchibald.com/2016/sounds-fun/
  // Fetch the file
    // Read it into memory as an arrayBuffer
    .then(response => response.arrayBuffer())
    // Turn it from mp3/aac/whatever into raw audio data
    .then(arrayBuffer => context.decodeAudioData(arrayBuffer))
    .then(audioBuffer => {
      // Now we're ready to play!
      const soundSource = context.createBufferSource();
      soundSource.buffer = audioBuffer;

let successButton = document.querySelector("#success");
successButton.addEventListener("click", function() {

let errorButton = document.querySelector("#error");
errorButton.addEventListener("click", function() {

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