adding script wesbos#4

Author: Watson6982

04 - Array Cardio Day 1/index-START.html

@@ -31,29 +31,55 @@
 
     // 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 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);
+    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.padded - 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 = Array.from(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((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 transportation = data.reduce(function(obj, item){
+      if(!obj[item]) {
+        obj[item] = 0;
+      }
+      obj[item]++;
+      return obj;
+    }, {})
+    console.log(transportation);
   </script>
 </body>
 </html>