writing listener to remove css class upon completion

Author: kimkvn

01 - JavaScript Drum Kit/index-START.html

@@ -58,13 +58,28 @@
   <audio data-key="76" src="sounds/tink.wav"></audio>
 
 <script>
+
   window.addEventListener('keydown', function(e){
 
     const audio = document.querySelector(`audio[data-key="${e.keyCode}"]`);
-    if(!audio) return;
+    const key = document.querySelector(`.key[data-key="${e.keyCode}"]`)
+    if(!audio) return; //stops function from running all together & prevents console error
+
+    audio.currentTime = 0; //rewinds audio to start, enable rapid keypress
     audio.play();
-    console.log(audio)
+
+    key.classList.add('playing');
+
   });
+
+  function removeTransition(e){
+    if(e.propertyName !== 'transform') return; //skip if not transform
+    console.log(e.propertyName);
+  }
+
+  const keys = document.querySelectorAll('.key');
+  keys.forEach(key => key.addEventListener('transitionend', removeTransition));
+
 </script>