pogo stick

yvkschaefer · yvkschaefer · commit 4e32d64da88a · 2017-01-08T22:34:38.000-05:00
diff --git a/04 - Array Cardio Day 1/answers.js b/04 - Array Cardio Day 1/answers.js
@@ -57,9 +57,30 @@ console.log(oldest);
 // https://en.wikipedia.org/wiki/Category:Boulevards_in_Paris
 
 
+//Array.from
+
 // 7. sort Exercise
 // Sort the people alphabetically by last name
 
+const alpha = people.sort(function(lastOne, nextOne) {
+  const [aLast, aFirst] = lastOne.split(', ');
+  const [bLast, bFirst] = nextOne.split(', ');
+  return aLast > bLast ? 1 : -1;
+});
+
+console.log(alpha);
+
 // 8. Reduce Exercise
 // Sum up the instances of each of these
-const data = ['car', 'car', 'truck', 'truck', 'bike', 'walk', 'car', 'van', 'bike', 'walk', 'car', 'van', 'car', 'truck' ];
+const data = ['car', 'car', 'truck', 'truck', 'bike', 'walk', 'car', 'van', 'bike', 'walk', 'car', 'van', 'car', 'truck', 'pogostick' ];
+
+
+const transportation = data.reduce(function(obj, item) {
+  if(!obj[item]) {
+    obj[item] = 0;
+  }
+  obj[item]++;
+  return obj;
+}, {});
+
+console.log(transportation);
