one more

allypalanzi · allypalanzi · commit 36799872c39d · 2017-03-09T10:15:54.000-05:00
diff --git a/04 - Array Cardio Day 1/index-START.html b/04 - Array Cardio Day 1/index-START.html
@@ -31,29 +31,64 @@
 
     // Array.prototype.filter()
     // 1. Filter the list of inventors for those who were born in the 1500's
-
+    const fifteen = inventors.filter(inventor => inventor.year >= 1500 && inventor.year < 1600);
+    console.table(fifteen);
     // Array.prototype.map()
     // 2. Give us an array of the inventors' first and last names
+    const names = inventors.map(inventor  => inventor.first + ' ' + inventor.last);
+    console.log(names);
 
     // Array.prototype.sort()
     // 3. Sort the inventors by birthdate, oldest to youngest
-
+    const bday = inventors.sort((a,b) => a.year > b.year ? 1 : -1);
+    console.table(bday);
     // Array.prototype.reduce()
     // 4. How many years did all the inventors live?
+    const totalYears = inventors.reduce((total, inventor) => {
+      return total + (inventor.passed - inventor.year);
+    }, 0);
+    console.log(totalYears);
+
 
     // 5. Sort the inventors by years lived
+    const oldest = inventors.sort((a,b) => {
+      const last = a.passed - a.year;
+      const next = a.passed - a.year;
+      last > next ? 1 : -1
+    })
+    console.table(oldest);
 
     // 6. create a list of Boulevards in Paris that contain 'de' anywhere in the name
     // https://en.wikipedia.org/wiki/Category:Boulevards_in_Paris
-
+    // const category = document.querySelector('.mw-category');
+    // const links = Array.from(category.querySelectorAll('a'));
+    // const de = links
+    //             .map(link => link.textContent)
+    //             .filter(streetName => streetName.includes('de'));
+    // console.log(de);
 
     // 7. sort Exercise
     // Sort the people alphabetically by last name
+    const alpha = people.sort((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 transport = data.reduce((obj, item) => {
+      if(!obj[item]) {
+        obj[item] = 0;
+      }
+      obj[item]++
+      return obj;
+    }, {});
+    console.log(transport);
+
   </script>
 </body>
 </html>
