Build a Drum Machine - Build a Drum Machine

Tell us what’s happening:

When I press the [Check Your Code] button, I get:
“9. When you press one of the keys Q, W, E, A, S, D, Z, X, C on your keyboard, the corresponding audio element should play the corresponding sound.”
However, the corresponding sounds are correctly played when I press any of the keys specified above.
How come my code does not pass test 9?
Thanks for your help.

Your code so far

<!-- file: index.html -->
<!doctype html>
<html lang="en">
  <head>
    <meta charset="utf-8" />
    <title>Drum Machine</title>
  </head>
  <body>
    <div id="drum-machine">
      <div id="pad-bank">
        <button class="drum-pad" id="padQ">
          Q
          <audio class="clip" id="Q" src="https://cdn.freecodecamp.org/curriculum/drum/Heater-1.mp3"></audio>
        </button>
        <button class="drum-pad" id="padW">
          W
          <audio class="clip" id="W" src="https://cdn.freecodecamp.org/curriculum/drum/Heater-2.mp3"></audio>
        </button>
        <button class="drum-pad" id="padE">
          E
          <audio class="clip" id="E" src="https://cdn.freecodecamp.org/curriculum/drum/Heater-3.mp3"></audio>
        </button>
        <button class="drum-pad" id="padA">
          A
          <audio class="clip" id="A" src="https://cdn.freecodecamp.org/curriculum/drum/Heater-4_1.mp3"></audio>
        </button>
        <button class="drum-pad" id="padS">
          S
          <audio class="clip" id="S" src="https://cdn.freecodecamp.org/curriculum/drum/Heater-6.mp3"></audio>
        </button>
        <button class="drum-pad" id="padD">
          D
          <audio class="clip" id="D" src="https://cdn.freecodecamp.org/curriculum/drum/Dsc_Oh.mp3"></audio>
        </button>
        <button class="drum-pad" id="padZ">
          Z
          <audio class="clip" id="Z" src="https://cdn.freecodecamp.org/curriculum/drum/Kick_n_Hat.mp3"></audio>
        </button>
        <button class="drum-pad" id="padX">
          X
          <audio class="clip" id="X" src="https://cdn.freecodecamp.org/curriculum/drum/RP4_KICK_1.mp3"></audio>
        </button>
        <button class="drum-pad" id="padC">
          C
          <audio class="clip" id="C" src="https://cdn.freecodecamp.org/curriculum/drum/Cev_H2.mp3"></audio>
        </button>
      </div>
      <p id="display"></p>
    </div>
    <script src="script.js"></script>
  </body>
</html>
/* file: script.js */
const padQ = document.getElementById('padQ');
const padW = document.getElementById('padW');
const padE = document.getElementById('padE');
const padA = document.getElementById('padA');
const padS = document.getElementById('padS');
const padD = document.getElementById('padD');
const padZ = document.getElementById('padZ');
const padX = document.getElementById('padX');
const padC = document.getElementById('padC');

const audioQ = document.getElementById('Q');
const audioW = document.getElementById('W');
const audioE = document.getElementById('E');
const audioA = document.getElementById('A');
const audioS = document.getElementById('S');
const audioD = document.getElementById('D');
const audioZ = document.getElementById('Z');
const audioX = document.getElementById('X');
const audioC = document.getElementById('C');

const display = document.getElementById('display');
const body = document.querySelector('body');

function handleQ() {
  audioQ.play();
  display.innerText = 'Heater 1';
}
function handleW() {
  audioW.play();
  display.innerText = 'Heater 2';
}
function handleE() {
  audioE.play();
  display.innerText = 'Heater 3';
}
function handleA() {
  audioA.play();
  display.innerText = 'Heater 4';
}
function handleS() {
  audioS.play();
  display.innerText = 'Clap';
}
function handleD() {
  audioD.play();
  display.innerText = 'Open-HH';
}
function handleZ() {
  audioZ.play();
  display.innerText = 'Kick-n-Hat';
}
function handleX() {
  audioX.play();
  display.innerText = 'Kick';
}
function handleC() {
  audioC.play();
  display.innerText = 'Closed-HH';
}

padQ.addEventListener('click', handleQ);
padW.addEventListener('click', handleW);
padE.addEventListener('click', handleE);
padA.addEventListener('click', handleA);
padS.addEventListener('click', handleS);
padD.addEventListener('click', handleD);
padZ.addEventListener('click', handleZ);
padX.addEventListener('click', handleX);
padC.addEventListener('click', handleC);

body.addEventListener('keydown', (e) => {
  switch(e.key) {
    case 'q':
    case 'Q':
      handleQ();
      break;
    case 'w':
    case 'W':
      handleW();
      break;
    case 'e':
    case 'E':
      handleE();
      break;
    case 'a':
    case 'A':
      handleA();
      break;
    case 's':
    case 'S':
      handleS();
      break;
    case 'd':
    case 'D':
      handleD();
      break;
    case 'z':
    case 'Z':
      handleZ();
      break;
    case 'x':
    case 'X':
      handleX();
      break;
    case 'c':
    case 'C':
      handleC();
      break;
  }
});

/* file: styles.css */

Your browser information:

User Agent is: Mozilla/5.0 (X11; Linux x86_64; rv:152.0) Gecko/20100101 Firefox/152.0

Challenge Information:

Build a Drum Machine - Build a Drum Machine

GitHub Link: freeCodeCamp/curriculum/challenges/english/blocks/lab-drum-machine/6762ec275cef87635acc4fe3.md at main · freeCodeCamp/freeCodeCamp · GitHub

Try document over here instead of body as test dispatches the event on document

Happy coding~

That worked. Thank you!