reduce time

Justin Ramel · Justin Ramel · commit 90f14d0a5177 · 2016-12-22T11:59:23.000Z
diff --git a/17 - Sort Without Articles/index-START.html b/17 - Sort Without Articles/index-START.html
@@ -47,9 +47,7 @@
   const clean = (text) => text.replace(/a |the |an /gi, '')
   const sortedBands = bands.sort((a,b) => clean(a) > clean(b) ? 1 : -1)
   const list = sortedBands.map(band => `<li>${band}</li>`).join('')
-
   document.querySelector('#bands').innerHTML = list
-
 </script>
 
 </body>
diff --git a/18 - Adding Up Times with Reduce/index-START.html b/18 - Adding Up Times with Reduce/index-START.html
@@ -1,4 +1,4 @@
-<!DOCTYPE html>
+ <!DOCTYPE html>
 <html lang="en">
 <head>
   <meta charset="UTF-8">
@@ -182,6 +182,26 @@
     </li>
 
 <script>
+  const lis = Array.from(document.querySelectorAll('li'))
+  const totalSecs = lis.reduce((acc, item) => {
+    const time = item.dataset.time.split(':')
+    const mins = Number(time[0])
+    const secs = Number(time[1])
+
+    return acc + (mins * 60) + secs
+  }, 0)
+
+  console.log(totalSecs)
+  let remainingSecs = totalSecs
+  const hours = Math.floor(remainingSecs / 3600)
+  remainingSecs = remainingSecs % 3600
+  const mins = Math.floor(remainingSecs / 60)
+  remainingSecs = remainingSecs % 60
+  const secs = remainingSecs
+
+  console.log('hours', hours)
+  console.log('minutes', mins)
+  console.log('seconds', secs)
 </script>
 </body>
 </html>
