Ldn-Class-8-Saf shah- JS-Core 2 - Week 1

1-exercises/A-accessing-values/exercise1.js

@@ -5,19 +5,19 @@
 */
 
 let dog = {
-  breed: "Dalmatian",
-  name: "Spot",
-  isHungry: true,
-  happiness: 6
+  breed: "Dalmatian", // string
+  name: "Spot",       // string
+  isHungry: true,     // boolean
+  happiness: 6        // number
 };
 
 /*
   You can access the values of each property using dot notation.
   Log the name and breed of this dog using dot notation.
 */
 
-let dogName; // complete the code
-let dogBreed; // complete the code
+let dogName = dog.name; // complete the code
+let dogBreed = dog.breed; // complete the code
 
 console.log(`${dogName} is a ${dogBreed}`);
 

1-exercises/A-accessing-values/exercise2.js

@@ -17,7 +17,7 @@ let capitalCities = {
 */
 
 let myCountry = "UnitedKingdom";
-let myCapitalCity; // complete the code
+let myCapitalCity = capitalCities[myCountry]; // complete the code
 
 console.log(myCapitalCity);
 

1-exercises/A-accessing-values/exercise3.js

@@ -22,6 +22,7 @@ let basketballTeam = {
 
 // write code here
 
+console.log(basketballTeam.topPlayers.sort());
 
 /* EXPECTED RESULT
 

1-exercises/B-setting-values/exercise1.js

@@ -23,6 +23,11 @@ let capitalCities = {
 */
 
 // write code here
+capitalCities.UnitedKingdom.population = 8980000;
+capitalCities.China.population = 21500000;
+capitalCities.Peru = {};
+capitalCities.Peru.name = 'Lima';
+capitalCities.Peru.population = 9750000;
 
 console.log(capitalCities);
 

1-exercises/B-setting-values/exercise2.js

@@ -17,6 +17,9 @@ let student = {
 
 // write code here
 
+student["attendance"] = 90;
+
+
 /*
   - Write an "if" statement that changes the value of hasPassed to true
       if the student has attendance that is equal or greater than 90
@@ -26,6 +29,9 @@ let student = {
 */
 
 // write code here
+if (student["attendance"] >= 90 && student["examScore"] > 60) {
+  student["hasPassed"] = true;
+}
 
 console.log(student);
 

1-exercises/C-undefined-properties/exercise.js

@@ -14,11 +14,11 @@ let car = {
   yearsOld: 8,
 };
 
-console.log(car["colour"]);
+console.log(car["colour"]); //color property is not added to the car object
 
 // Example 2
 function sayHelloToUser(user) {
-  console.log(`Hello ${user.firstName}`);
+  console.log(`Hello ${user.firstName}`); // does not have a property firstName
 }
 
 let user = {
@@ -35,4 +35,4 @@ let myPet = {
   },
 };
 
-console.log(myPet.getName());
+console.log(myPet.getName()); //object needs a return statement

1-exercises/D-object-methods/exercise.js

@@ -9,9 +9,12 @@
 
 let student = {
   // write code here
+  getName: function(name) {
+    console.log(`Student name: ${name}`);
+  }
 }
 
-student.getName("Daniel");
+student.getName("Daniel")
 
 /* EXPECTED RESULT
 

2-mandatory/1-recipes.js

@@ -22,4 +22,45 @@
   You should write and log at least 5 recipes
 */
 
-// write code here
+// write code here
+
+let recipeCard1 = {
+  title: "Mole",
+  serves: 2,
+  ingredients: ["cinnamon", "cumin", "cocoa"]
+}
+
+console.log(recipeCard1);
+
+let recipeCard2 = {
+  title: "Soup",
+  serves: 2,
+  ingredients: ["onion", "tomato", "cilantro", "carrot"]
+}
+
+console.log(recipeCard2);
+
+let recipeCard3 = {
+  title: "Omelette",
+  serves: 2,
+  ingredients: ["eggs", "butter", "pepper", "salt", "cheese"]
+}
+
+console.log(recipeCard3);
+
+let recipeCard4 = {
+  title: "Pizza",
+  serves: 2,
+  ingredients: ["flour", "tomato", "cheese", "chicken", "mushroom"]
+}
+
+console.log(recipeCard4);
+
+let recipeCard5 = {
+  title: "Cake",
+  serves: 2,
+  ingredients: ["flour", "chocolate", "milk", "butter", "sugar"]
+}
+
+console.log(recipeCard5);
+

2-mandatory/2-currency-code-lookup.js

@@ -19,6 +19,7 @@ const COUNTRY_CURRENCY_CODES = [
 
 function createLookup(countryCurrencyCodes) {
   // write code here
+  return Object.fromEntries(countryCurrencyCodes);
 }
 
 /* ======= TESTS - DO NOT MODIFY =====

2-mandatory/3-shopping-list.js

@@ -10,7 +10,7 @@
 
   The createShoppingList function should return an object with two properties:
     - "name" of the recipe, which is a string,
-    - "items", which is an arry of the missing ingredients that need to be on the shopping list
+    - "items", which is an array of the missing ingredients that need to be on the shopping list
 */
 
 let pantry = {
@@ -19,9 +19,22 @@ let pantry = {
 };
 
 function createShoppingList(recipe) {
-  // write code here
+
+  const allIngredients = Object.values(pantry).flat();
+  const missingItems = recipe.ingredients.filter((ingredient, index, array) => {
+    if (allIngredients.includes(ingredient)) {
+      return false;
+    }
+    return true;
+  });
+  const objectToReturn = {
+    name: recipe.name,
+    items: missingItems,
+  };
+  return objectToReturn;
 }
 
+
 /* ======= TESTS - DO NOT MODIFY =====
 - To run the tests for this exercise, run `npm test -- --testPathPattern 3-shopping-list.js`
 - To run all exercises/tests in the mandatory folder, run `npm test`

2-mandatory/4-restaurant.js

@@ -20,8 +20,22 @@ const MENU = {
 };
 
 let cashRegister = {
-  // write code here
-}
+  orderBurger: function (balance) {
+    if (balance >= MENU.burger) {
+      return balance - MENU.burger;
+    } else {
+      return balance;
+    }
+  },
+  orderFalafel: function (balance) {
+    if (balance >= MENU.falafel) {
+      return balance - MENU.falafel;
+    } else {
+      return balance;
+    }
+  },
+};
+
 
 /* ======= TESTS - DO NOT MODIFY =====
 - To run the tests for this exercise, run `npm test -- --testPathPattern 4-restaurant.js`