Completed Arrays Part 2

Author: SyedAlvi22

arrays/exercises/part-two-arrays.js

@@ -1,11 +1,24 @@
 let cargoHold = ['oxygen tanks', 'space suits', 'parrot', 'instruction manual', 'meal packs', 'slinky', 'security blanket'];
 
-//1) Use bracket notation to replace ‘slinky’ with ‘space tether’. Print the array to confirm the change.
+// 1) Use bracket notation to replace ‘slinky’ with ‘space tether’. Print the array to confirm the change.
+cargoHold[5] = 'space tether';
+console.log(cargoHold); // ['oxygen tanks', 'space suits', 'parrot', 'instruction manual', 'meal packs', 'space tether', 'security blanket']
 
-//2) Remove the last item from the array with pop. Print the element removed and the updated array.
+// 2) Remove the last item from the array with pop. Print the element removed and the updated array.
+let removedItem = cargoHold.pop();
+console.log(removedItem); // 'security blanket'
+console.log(cargoHold); // ['oxygen tanks', 'space suits', 'parrot', 'instruction manual', 'meal packs', 'space tether']
 
-//3) Remove the first item from the array with shift. Print the element removed and the updated array.
+// 3) Remove the first item from the array with shift. Print the element removed and the updated array.
+let firstItemRemoved = cargoHold.shift();
+console.log(firstItemRemoved); // 'oxygen tanks'
+console.log(cargoHold); // ['space suits', 'parrot', 'instruction manual', 'meal packs', 'space tether']
 
-//4) Unlike pop and shift, push and unshift require arguments inside the (). Add the items 1138 and ‘20 meters’ to the the array - the number at the start and the string at the end. Print the updated array to confirm the changes.
+// 4) Add the items 1138 and ‘20 meters’ to the array - the number at the start and the string at the end. Print the updated array to confirm the changes.
+cargoHold.unshift(1138);
+cargoHold.push('20 meters');
+console.log(cargoHold); // [1138, 'space suits', 'parrot', 'instruction manual', 'meal packs', 'space tether', '20 meters']
 
-//5) Use a template literal to print the final array and its length.
+// 5) Use a template literal to print the final array and its length.
+console.log(`The array ${cargoHold} has a length of ${cargoHold.length}.`);
+// The array [1138, 'space suits', 'parrot', 'instruction manual', 'meal packs', 'space tether', '20 meters'] has a length of 7.