JavaScript30/01 - JavaScript Drum Kit/index-FINISHED.html at e91ebd3a40f4467261879c6d5fb2e4f4fd9e7b5f · wesbos/JavaScript30 · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <title>JS Drum Kit</title>
  <link rel="stylesheet" href="style.css">
  <link rel="icon" href="https://fav.farm/✅" />
</head>
<body>


  <div class="keys">
    <div data-key="65" class="key">
      <kbd>A</kbd>
      <span class="sound">clap</span>
    </div>
    <div data-key="83" class="key">
      <kbd>S</kbd>
      <span class="sound">hihat</span>
    </div>
    <div data-key="68" class="key">
      <kbd>D</kbd>
      <span class="sound">kick</span>
    </div>
    <div data-key="70" class="key">
      <kbd>F</kbd>
      <span class="sound">openhat</span>
    </div>
    <div data-key="71" class="key">
      <kbd>G</kbd>
      <span class="sound">boom</span>
    </div>
    <div data-key="72" class="key">
      <kbd>H</kbd>
      <span class="sound">ride</span>
    </div>
    <div data-key="74" class="key">
      <kbd>J</kbd>
      <span class="sound">snare</span>
    </div>
    <div data-key="75" class="key">
      <kbd>K</kbd>
      <span class="sound">tom</span>
    </div>
    <div data-key="76" class="key">
      <kbd>L</kbd>
      <span class="sound">tink</span>
    </div>
  </div>

  <audio data-key="65" src="sounds/clap.wav"></audio>
  <audio data-key="83" src="sounds/hihat.wav"></audio>
  <audio data-key="68" src="sounds/kick.wav"></audio>
  <audio data-key="70" src="sounds/openhat.wav"></audio>
  <audio data-key="71" src="sounds/boom.wav"></audio>
  <audio data-key="72" src="sounds/ride.wav"></audio>
  <audio data-key="74" src="sounds/snare.wav"></audio>
  <audio data-key="75" src="sounds/tom.wav"></audio>
  <audio data-key="76" src="sounds/tink.wav"></audio>

<script>
  // Map of key names to their corresponding key codes
  const keyMap = {
    'a': 65, 's': 83, 'd': 68, 'f': 70, 'g': 71,
    'h': 72, 'j': 74, 'k': 75, 'l': 76
  };

  function removeTransition(e) {
    if (e.propertyName !== 'transform') return;
    e.target.classList.remove('playing');
  }

  function playSound(keyCode) {
    const audio = document.querySelector(`audio[data-key="${keyCode}"]`);
    const key = document.querySelector(`div[data-key="${keyCode}"]`);
    if (!audio) return;

    key.classList.add('playing');
    audio.currentTime = 0;
    audio.play();
  }

  // Handle keyboard events with modern e.key support
  function handleKeydown(e) {
    const keyCode = e.keyCode || keyMap[e.key?.toLowerCase()];
    if (keyCode) {
      playSound(keyCode);
    }
  }

  const keys = Array.from(document.querySelectorAll('.key'));
  keys.forEach(key => {
    key.addEventListener('transitionend', removeTransition);
    // Add click/tap support for mobile
    key.addEventListener('click', () => {
      playSound(key.dataset.key);
    });
  });
  window.addEventListener('keydown', handleKeydown);
</script>


</body>
</html>