Click and drag

01 - JavaScript Drum Kit/index-START.html

@@ -59,7 +59,24 @@
   <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="${e.keyCode}"]`);
+    const key = document.querySelector(`div[data-key="${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>
 
 

02 - JS and CSS Clock/index-START.html

@@ -63,13 +63,35 @@
       background: black;
       position: absolute;
       top: 50%;
+      transform-origin: 100%;
+      transform: rotate(90deg);
+      transition-timing-function: cubic-bezier(0.1, 2.7, 0.58, 1);
     }
 
   </style>
 
   <script>
+  const secondHand = document.querySelector('.second-hand');
+  const minsHand = document.querySelector('.min-hand');
+  const hourHand = document.querySelector('.hour-hand');
 
+  function setDate() {
+    const now = new Date();
 
+    const seconds = now.getSeconds();
+    const secondsDegrees = ((seconds / 60) * 360) + 90;
+    secondHand.style.transform = `rotate(${secondsDegrees}deg)`;
+
+    const mins = now.getMinutes();
+    const minsDegrees = ((mins / 60) * 360) + ((seconds/60)*6) + 90;
+    minsHand.style.transform = `rotate(${minsDegrees}deg)`;
+
+    const hour = now.getHours();
+    const hourDegrees = ((hour / 12) * 360) + ((mins/60)*30) + 90;
+    hourHand.style.transform = `rotate(${hourDegrees}deg)`;
+  }
+
+  setInterval(setDate, 1000);
   </script>
 </body>
 </html>