London | Gislaine Della Bella | Module-Data-Flows | Week 1 | 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-1/readme.md

@@ -29,5 +29,9 @@ console.log(`Batman is ${firstName}, ${lastName}`);
 
 # Exercise
 
-- What is the syntax to destructure the object `personOne` in exercise.js?
+- What is the syntax to What is the syntax to destructure the object `personOne` in exercise.js? the object `personOne` in exercise.js?
+
+const { name, age, favouriteFood} = personOne;
+
+
 - Update the parameter of the function `introduceYourself` to use destructuring on the object that gets passed in.

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

@@ -70,3 +70,34 @@ let hogwarts = [
     occupation: "Teacher",
   },
 ];
+
+function schoolName(hogwarts) {
+  for (let i = 0; i < hogwarts.length; i++) {
+
+    // Access each object in the array
+    let { firstName, lastName, house } = hogwarts[i];
+
+    // Check if the house is Gryffindor
+
+    if (house === "Gryffindor") {
+      console.log(`${firstName} ${lastName}`);
+    }
+  }
+}
+
+function teachesPet(hogwarts) {
+  for (let i=0; i< hogwarts.length; i++){
+    // Access object in the array
+    let { firstName, lastName, pet } = hogwarts[i]; //[i] loop through an array and access each item one by one
+
+    // Check if the pet is valid
+    if (pet) {
+      console.log(`${firstName} ${lastName} has a: ${pet}`);
+    }
+  }
+
+}
+
+// Call the function
+schoolName(hogwarts);
+teachesPet(hogwarts);

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

@@ -1,3 +1,18 @@
+
+
+/*## 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 order = [
   { itemName: "Hot cakes", quantity: 1, unitPricePence: 232 },
   { itemName: "Apple Pie", quantity: 2, unitPricePence: 139 },
@@ -6,3 +21,41 @@ let order = [
   { itemName: "Hot Coffee", quantity: 2, unitPricePence: 100 },
   { itemName: "Hash Brown", quantity: 4, unitPricePence: 40 },
 ];
+
+function orderReceipt() {
+
+  console.log("QTY      ITEM    Total");
+
+
+  // Loop through the order array
+ for (let i=0; i< order.length; i++){
+  let { itemName, quantity, unitPricePence } = order[i]; 
+
+  console.log(`${quantity}    ${itemName}  ${unitPricePence} `);
+
+
+ }
+};
+
+orderReceipt();
+
+function sumTotal() {
+  let total = 0; // Initialize total
+
+  // Loop through the order array
+  for (let i = 0; i < order.length; i++) {
+    let { quantity, unitPricePence } = order[i];
+    total += quantity * unitPricePence;
+  }
+
+  return total; // Return the total cost in pence
+}
+
+// Call the function
+let totalCostPence = sumTotal();
+
+// Convert to pounds and format as 2 decimal places
+let totalCostPounds = (totalCostPence / 100).toFixed(2);
+
+//  result
+console.log(`Total cost: £${totalCostPounds}`);