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<!DOCTYPE html>
<html lang='en'>
<head>
<meta charset='UTF-8'>
<title>JS Drum Kit</title>
<link rel='stylesheet' href='style.css'>
</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>
function playSound (event) {
const audio = document.querySelector(`audio[data-key='${event.keyCode}']`)
const key = document.querySelector(`.key[data-key='${event.keyCode}']`)
if (!audio) return // stop if a key with nothing assigned
audio.currentTime = 0 // rewind to the start (so can play over again)
audio.play()
key.classList.add('playing')
}
function removeTransition (event) {
if (!event.propertyName === 'transform') return // skip if not a transform event
this.classList.remove('playing')
}
const keys = document.querySelectorAll('.key')
keys.forEach(key => key.addEventListener('transitionend', removeTransition))
window.addEventListener('keydown', playSound)
</script>
</body>
</html>