complete wesbos#1 challenge

Author: Patrick Santos

01 - JavaScript Drum Kit/index-START.html

@@ -58,7 +58,22 @@
   <audio data-key="76" src="sounds/tink.wav"></audio>
 
 <script>
+  window.addEventListener('keydown', function(e) {
+    const audio = document.querySelector(`audio[data-key="${e.keyCode}"]`)
+    const key = document.querySelector(`.key[data-key="${e.keyCode}"]`)
+    if (!audio) return
+    audio.currentTime = 0
+    audio.play()
+    key.classList.add('playing')
+  })
 
+  function removePlaying(e){
+    if (e.propertyName !== 'transform') return;
+    this.classList.remove('playing')
+  }
+
+  const keys = document.querySelectorAll('.key')
+  keys.forEach(key => key.addEventListener('transitionend', removePlaying))
 </script>