solved the first 4 problems. 4 still to do.

Author: Delirium02

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

@@ -38,15 +38,26 @@
 
     // Array.prototype.filter()
     // 1. Filter the list of inventors for those who were born in the 1500's
+    const inventorsBornIn1500s = inventors.filter(inventor => inventor.year >= 1500 && inventor.year < 1600);
+    console.table(inventorsBornIn1500s);
+
 
     // Array.prototype.map()
     // 2. Give us an array of the inventors first and last names
+    const inventorFullNames = inventors.map((inventor) => inventor.first + " " + inventor.last);
+    console.table(inventorFullNames);
 
     // Array.prototype.sort()
     // 3. Sort the inventors by birthdate, oldest to youngest
+    const byBirthDate = inventors.sort((a, b) => a.year - b.year);
+    console.table(byBirthDate);
 
     // Array.prototype.reduce()
     // 4. How many years did all the inventors live all together?
+    const totalYears = inventors.reduce((total, inventor) => {
+      return total + (inventor.passed - inventor.year);
+    }, 0);
+    console.table(totalYears);
 
     // 5. Sort the inventors by years lived