wesbos#1 Drum kit done!

Author: mokutsu

01 - JavaScript Drum Kit/index-START.html

@@ -58,6 +58,27 @@
   <audio data-key="76" src="sounds/tink.wav"></audio>
 
 <script>
+    function playSound(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 removeTransition(e) {
+        if (e.propertyName !== 'transform') {
+            return;
+        }
+        this.classList.remove('playing');
+    }
+
+    const keys = document.querySelectorAll('.key');
+    keys.forEach(key => key.addEventListener('transitionend', removeTransition));
+    window.addEventListener('keydown', playSound);
 
 </script>