Finish day 2️⃣ exercise

fmilani · fmilani · commit 92c9f461942f · 2016-12-20T22:14:28.000-02:00
Signed-off-by: Felipe Milani &lt;felmilani@gmail.com&gt;
diff --git a/02 - JS + CSS Clock/index-START.html b/02 - JS + CSS Clock/index-START.html
@@ -61,12 +61,39 @@
       background:black;
       position: absolute;
       top:50%;
+      transform-origin: 100%;
+      transform: rotate(90deg);
+      transition: all .05s;
+      transition-timing-function: cubic-bezier(0.69, 3.32, 0.58, 1);
     }
 
   </style>
 
   <script>
+    // query each hand element
+    const secondHand = document.querySelector('.second-hand');
+    const minHand = document.querySelector('.min-hand');
+    const hourHand = document.querySelector('.hour-hand');
 
+    function setDate() {
+      const now = new Date();
+      const seconds = now.getSeconds();
+      // we add 90 because of the offset to start the hand vertically
+      const secondsDegrees = seconds*6 + 90;
+      secondHand.style.transform = `rotate(${secondsDegrees}deg)`;
+
+      const mins = now.getMinutes();
+      const minsDegrees = mins*6 + 90;
+      minHand.style.transform = `rotate(${minsDegrees}deg)`;
+
+      const hours = now.getHours();
+      const hoursDegrees = hours*30 + 90;
+      hourHand.style.transform = `rotate(${hoursDegrees}deg)`;
+
+    }
+
+    // update the time each second
+    setInterval(setDate, 1000);
 
   </script>
 </body>
