add solution

YMerrick · YMerrick · commit 6a7c1dee6cb9 · 2024-07-16T09:40:55.000+01:00
diff --git a/04 - Array Cardio Day 1/index-START.html b/04 - Array Cardio Day 1/index-START.html
@@ -38,28 +38,73 @@
     
     // 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 oldestFirst = inventors.sort( (a,b) => a.year < b.year ? 1 : -1);
+    console.table(oldestFirst);
+
     // 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.log(totalYears);
+
     // 5. Sort the inventors by years lived
+    const oldest = inventors.sort( (a,b) => {
+      let first = a.passed - a.year;
+      let second = b.passed - b.year;
+      return first < second ? 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 sortedPeople = people.sort(function(lastOne, nextOne) {
+      const [aLast, aFirst] = lastOne.split(', ');
+      const [bLast, bFirst] = nextOne.split(', ');
+      return aLast > bLast ? 1 : -1;
+    })
+    console.log(sortedPeople);
+
+
     // 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( (obj, item) => {
+      if (!(item in obj)) obj[item] = 0;
+      obj[item]++;
+      return obj;
+    }, {});
+
+    console.log(transportation);
+
 
   </script>
 </body>
diff --git a/07 - Array Cardio Day 2/index-START.html b/07 - Array Cardio Day 2/index-START.html
@@ -27,16 +27,34 @@
 
     // Some and Every Checks
     // Array.prototype.some() // is at least one person 19 or older?
+    
+
+    const isAdult = people.some( (person) => {
+      const currentYear = (new Date()).getFullYear();
+      if ( currentYear - person.year >= 19) return true;
+    });
+
+    console.log(isAdult);
+
     // Array.prototype.every() // is everyone 19 or older?
 
+    const allAdult = people.every( person => ((new Date()).getFullYear()) - person.year >= 19);
+    console.log(allAdult);
+
     // Array.prototype.find()
     // Find is like filter, but instead returns just the one you are looking for
     // find the comment with the ID of 823423
 
+    const comment = comments.find( (comment) => comment.id === 823423)
+    console.log(comment);
+
     // Array.prototype.findIndex()
     // Find the comment with this ID
     // delete the comment with the ID of 823423
 
+    const deleted = comments.findIndex( comment => comment.id === 823423);
+    comments.splice(deleted, 1);
+
   </script>
 </body>
 </html>
