drum kit

koziscool · koziscool · commit ad9c58b30862 · 2016-12-29T21:18:26.000-06:00
diff --git a/01 - JavaScript Drum Kit/index-START.html b/01 - JavaScript Drum Kit/index-START.html
@@ -58,7 +58,24 @@
   <audio data-key="76" src="sounds/tink.wav"></audio>
 
 <script>
+  function removeTransition(e) {
+    if (e.propertyName !== 'transform') return;
+    e.target.classList.remove('playing');
+  }
 
+  function playSound(e) {
+    const audio = document.querySelector(`audio[data-key="${e.keyCode}"]`);
+    const key = document.querySelector(`.key[data-key="${e.keyCode}"]`);
+
+    if(!audio) return;
+    key.classList.add('playing');
+    audio.currentTime = 0;
+    audio.play();
+  }
+
+  const keys = Array.from(document.querySelectorAll('.key'));
+  keys.forEach(key => key.addEventListener('transitionend', removeTransition));
+  window.addEventListener( 'keydown', playSound);
 </script>
 
 
