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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 DrumKit() {
this.init();
}
;
!(function () {
DrumKit.prototype = {
constructor: DrumKit,
init: function () {
this.settings = {
keysWrap: document.querySelector('.keys'),
keys: document.querySelectorAll('.key')
};
this.playSoundMouse();
this.effectHandler();
this.playSoundKeyboard();
},
playSoundMouse: function () {
var self = this,
keysWrap = self.settings.keysWrap,
target, keyEl, sound, keyVal, audEl;
document.addEventListener('mousedown', function (e) {
target = e.target;
if (target.parentElement.classList.contains('key') || target.classList.contains('key')) {
if (target.parentElement.classList.contains('key')) {
keyVal = target.parentElement.getAttribute('data-key');
target.parentElement.classList.add('playing');
} else if (target.classList.contains('key')) {
keyVal = target.getAttribute('data-key');
target.classList.add('playing');
}
audEl = document.querySelector('audio[data-key="' + keyVal + '"]');
sound = new Audio(audEl.src);
sound.play();
}
});
},
playSoundKeyboard: function () {
document.addEventListener('keydown', function (event) {
var kc = event.keyCode,
audEl = document.querySelector('audio[data-key="' + kc + '"]'),
keyEl = document.querySelector('div[data-key="' + kc + '"]'),
sound;
if (audEl) {
sound = new Audio(audEl.src);
sound.play();
keyEl.classList.add('playing');
}
});
},
effectHandler: function () {
var self = this,
keys = self.settings.keys;
keys.forEach(function (element) {
element.addEventListener('transitionend', function (e) {
element.classList.remove('playing');
});
});
}
}
document.addEventListener('DOMContentLoaded', function () {
//console.log('yodawg, DOM be good!!');
var drumkit = new DrumKit();
});
})();
</script>
</body>
</html>