From 287d4a45b45d9025432b2b2f13dc2c8e452f8ff4 Mon Sep 17 00:00:00 2001
From: Mushroom King <xiayingp@gmail.com>
Date: Sun, 24 Feb 2019 23:30:50 -0800
Subject: [PATCH 1/2] finish js 01

---
 01 - JavaScript Drum Kit/index-START.html | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/01 - JavaScript Drum Kit/index-START.html b/01 - JavaScript Drum Kit/index-START.html
index 4070d32767..60d2fbed66 100644
--- a/01 - JavaScript Drum Kit/index-START.html	
+++ b/01 - JavaScript Drum Kit/index-START.html	
@@ -58,7 +58,23 @@
   <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; // rewind to the start
+    audio.play();
+    key.classList.add('playing');
+  }
+
+  function removeTransition(e) {
+    if (e.propertyName !== 'transform') return;
+    this.classList.remove('playing');
+  }
+  const keys = Array.from(document.querySelectorAll('.key'));
+  keys.forEach(key => key.addEventListener('transitionend', removeTransition));
+  window.addEventListener('keydown', playSound);
 </script>
 
 

From d1669a346b7824d7be16bc4d72293554341036e3 Mon Sep 17 00:00:00 2001
From: Mushroom King <xiayingp@gmail.com>
Date: Mon, 25 Feb 2019 22:10:16 -0800
Subject: [PATCH 2/2] 02

---
 02 - JS and CSS Clock/index-START.html | 26 ++++++++++++++++++++++++++
 1 file changed, 26 insertions(+)

diff --git a/02 - JS and CSS Clock/index-START.html b/02 - JS and CSS Clock/index-START.html
index 7cbf5f6ba6..2651196509 100644
--- a/02 - JS and CSS Clock/index-START.html	
+++ b/02 - JS and CSS Clock/index-START.html	
@@ -62,12 +62,38 @@
       background: black;
       position: absolute;
       top: 50%;
+      transform-origin: 100%;
+      transform: rotate(90deg);
+      transition: all 0.05s;
+      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);
+
+  setDate();
 
   </script>
 </body>