Add solution for project 04.

Carlos Filoteo · Carlos Filoteo · commit 0c23aca3cac8 · 2016-12-15T16:22:57.000-07:00
diff --git a/04 - Array Cardio Day 1/index-START.html b/04 - Array Cardio Day 1/index-START.html
@@ -33,29 +33,50 @@
 
     // Array.prototype.filter()
     // 1. Filter the list of inventors for those who were born in the 1500's
+    const inventorsBorn1500 = inventors.filter(person => person.year >= 1500 && person.year < 1599)
+    // console.table(inventorsBorn1500)
 
     // Array.prototype.map()
     // 2. Give us an array of the inventors' first and last names
+    const fullNames = inventors.map(inventor => `${ inventor.first } ${ inventor.last }`)
+    // console.log(fullNames)
 
     // Array.prototype.sort()
     // 3. Sort the inventors by birthdate, oldest to youngest
+    const birthdaySort = inventors.sort((a, b) => a.year > b.year ? 1 : -1)
+    // console.table(birthdaySort)
 
     // Array.prototype.reduce()
     // 4. How many years did all the inventors live?
+    const totalYears = inventors.reduce((total, {year, passed}) => {return total + (passed - year)}, 0)
+    // console.log(totalYears)
 
     // 5. Sort the inventors by years lived
+    const sortByYearsLived = inventors.sort((a, b) => (a.passed - a.year) > (b.passed - b.year) ? -1 : 1)
+    // console.table(sortByYearsLived)
 
     // 6. create a list of Boulevards in Paris that contain 'de' anywhere in the name
     // https://en.wikipedia.org/wiki/Category:Boulevards_in_Paris
 
 
     // 7. sort Exercise
     // Sort the people alphabetically by last name
+    const alphaByLastName = people.sort((a, b) => {
+      const [aLast, ] = a.split(', '),
+            [bLast, ] = b.split(', ')
+      return aLast > bLast ? 1 : -1
+    })
+    // console.log(alphaByLastName)
 
     // 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 transportation = data.reduce((options, transport) => {
+      if(!options[transport]) options[transport] = 0 
+      options[transport]++
+      return options
+    }, {})
+    // console.log(transportation)
   </script>
 </body>
 </html>
