Add solution for project 07.

Carlos Filoteo · Carlos Filoteo · commit 23c7e7dc1cda · 2016-12-23T09:53:59.000-07:00
diff --git a/07 - Array Cardio Day 2/index-START.html b/07 - Array Cardio Day 2/index-START.html
@@ -26,15 +26,31 @@
 
     // Some and Every Checks
     // Array.prototype.some() // is at least one person 19?
+    const isAdult = people.some(person => {
+      const currYear = (new Date()).getFullYear()
+      return (currYear - person.year) >= 19
+    })
+
+    // One liner
+    const isAdult2 = people.some(({year}) => ((new Date()).getFullYear() - year) >= 19)
+
     // Array.prototype.every() // is everyone 19?
+    const everyAdult = people.every(({year}) => ((new Date()).getFullYear() - year) >= 19)
 
     // 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 cID = 823423
+    const comment = comments.find(({id}) => id === cID)
+   
     // Array.prototype.findIndex()
     // Find the comment with this ID
     // delete the comment with the ID of 823423
+    const index = comments.findIndex(({id}) => id === cID)
+    const newComments = [
+      ...comments.splice(0, index),
+      ...comments.splice(index + 1)
+    ]
 
   </script>
 </body>
