Array Cardio finished

szaim · szaim · commit 3492ede37e07 · 2016-12-15T15:25:48.000-05:00
diff --git a/04 - Array Cardio Day 1/index-START.html b/04 - Array Cardio Day 1/index-START.html
@@ -32,29 +32,71 @@
 
     // Array.prototype.filter()
     // 1. Filter the list of inventors for those who were born in the 1500's
+    const fifteen = inventors.filter(function(inventor) {
+      if(inventor.year >= 1500 && inventor.year < 1600) {
+        return true; // keep it
+      }
+    });
+    console.table(fifteen);
 
     // 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 ordered = inventors.sort((a, b) => a.year > b.year ? 1 : -1);
+    //turnurary operator
+    console.table(ordered);
 
     // 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(function(a, b) {
+      const lastGuy = a.passed - a.year;
+      const nextGuy = b.passed - b.year;
+      return lastGuy > nextGuy ? -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 = [...category.querySelectorAll('a')];
+    // const de = links
+    //               .map(link => link.textContent)
+    //               .filter(streetName => streetName.includes('de'));
 
 
     // 7. sort Exercise
     // Sort the people alphabetically by last name
+    const alpha = people.sort(function(total, nextOne) {
+          const[aLast, aFirst] = nextOne.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 transportation = data.reduce(function(obj, item) {
+        if(!obj[item]) {
+          obj[item] = 0;
+        }
+        obj[item]++;
+        return obj;
+    }, {});
+
+    console.log(transportation);
+
   </script>
 </body>
 </html>
