London | 26-ITP-May | Tomislav Dukez | Sprint 1 | Object Destructuring

Sprint-1/destructuring/exercise-1/exercise.js

@@ -6,7 +6,7 @@ const personOne = {
 
 // Update the parameter to this function to make it work.
 // Don't change anything else.
-function introduceYourself(___________________________) {
+function introduceYourself({ name, age, favouriteFood }) {
   console.log(
     `Hello, my name is ${name}. I am ${age} years old and my favourite food is ${favouriteFood}.`
   );

Sprint-1/destructuring/exercise-2/exercise.js

@@ -70,3 +70,33 @@ let hogwarts = [
     occupation: "Teacher",
   },
 ];
+
+// Task 1
+
+// In `exercise.js` write a program that will take the `hogwarts` array as input and display
+// the names of the people who belong to the Gryffindor house.
+// Use object destructuring to extract the values you need out of each element in the array.
+
+const gryffindor = hogwarts.filter(({ house }) => house === "Gryffindor");
+
+console.log("Hogwarts people in Gryffindor");
+for (const person of gryffindor.map(
+  ({ firstName, lastName }) => `${firstName} ${lastName}`
+)) {
+  console.log(person);
+}
+
+console.log("\n");
+
+// Task 2
+// In exercise.js write a program that will take the hogwarts array as input and display the names of teachers who have pets.
+// Use object destructuring to extract the values you need out of each element in the array.
+
+console.log("Hogwarts teachers with pets");
+const teachersWithPets = hogwarts.filter(({ occupation, pet }) => {
+  return occupation === "Teacher" && pet;
+});
+
+for (const { firstName, lastName } of teachersWithPets) {
+  console.log(`${firstName} ${lastName}`);
+};

Sprint-1/destructuring/exercise-3/exercise.js

@@ -6,3 +6,33 @@ let order = [
   { itemName: "Hot Coffee", quantity: 2, unitPricePence: 100 },
   { itemName: "Hash Brown", quantity: 4, unitPricePence: 40 },
 ];
+
+// In exercise.js write a program that will take the `order` array as input and print out a receipt for the order.
+// Log each individual item to the console.
+// Log the total cost of the order to the console.
+// Use object destructuring to access the values you need from each item.
+// Pay attention to the exact formatting of the expected result.
+
+// Expected result
+
+// QTY     ITEM                TOTAL
+// 1       Hot Cakes           2.32
+// 2       Apple Pie           2.78
+// 1       Egg McMuffin        2.80
+// 1       Sausage McMuffin    3.00
+// 2       Hot Coffee          2.00
+// 4       Hash Brown          1.60
+
+// Total: 14.50
+
+let total = 0;
+console.log("QTY, ITEM, TOTAL");
+for (const { itemName, quantity, unitPricePence } of order) {
+  const itemTotal = quantity * unitPricePence / 100
+  total += itemTotal;
+  console.log(
+    `${quantity} ${itemName} ${(itemTotal).toFixed(2)}`
+  );
+}
+
+console.log(`\nTotal: ${(total).toFixed(2)}`);