Completed Excercise.

ccalbaugh · ccalbaugh · commit ecf22dfcdb67 · 2017-01-06T15:00:56.000-06:00
diff --git a/18 - Adding Up Times with Reduce/index-START.html b/18 - Adding Up Times with Reduce/index-START.html
@@ -182,6 +182,25 @@
     </li>
 
 <script>
+  const timeNodes = Array.from(document.querySelectorAll('[data-time]'));
+
+  const seconds = timeNodes
+    .map(node => node.dataset.time)
+    .map(timeCode => {
+      const [mins, secs] = timeCode.split(':')
+        .map(parseFloat)
+      return (mins * 60) + secs;
+    })
+    .reduce((total, seconds) => total + seconds);
+
+    let secondsLeft = seconds;
+    const hours = Math.floor(seconds / 3600);
+    secondsLeft = secondsLeft % 3600;
+    const minutes = Math.floor(secondsLeft / 60);
+    secondsLeft = secondsLeft % 60;
+
+  console.log(hours, minutes, secondsLeft);
+
 </script>
 </body>
 </html>
