CodeYourFuture · LexiisYing · Apr 8, 2023 · Apr 8, 2023 · Apr 8, 2023 · Apr 8, 2023
diff --git a/1-exercises/A-accessing-values/exercise1.js b/1-exercises/A-accessing-values/exercise1.js
@@ -16,8 +16,8 @@ let dog = {
   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}`);
 

diff --git a/1-exercises/A-accessing-values/exercise2.js b/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);
 

diff --git a/1-exercises/A-accessing-values/exercise3.js b/1-exercises/A-accessing-values/exercise3.js
@@ -22,6 +22,18 @@ let basketballTeam = {
 
 // write code here
 
+// Access the top players array
+let topPlayers = basketballTeam.topPlayers;
+
+// Sort the top players in alphabetical order
+topPlayers.sort();
+
+// Log the name of each player on a new line
+console.log("Top Players:");
+topPlayers.forEach(player => {
+  console.log(player);
+});
+
 
 /* EXPECTED RESULT
 

diff --git a/1-exercises/B-setting-values/exercise1.js b/1-exercises/B-setting-values/exercise1.js
@@ -24,6 +24,17 @@ 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);
 
 /* EXPECTED RESULT

diff --git a/1-exercises/B-setting-values/exercise2.js b/1-exercises/B-setting-values/exercise2.js
@@ -27,6 +27,14 @@ let student = {
 
 // write code here
 
+student['attendance'] = 90;
+
+if (student['attendance'] >= 90 && student['examScore'] > 60) {
+  student['hasPassed'] = true;
+}
+
+console.log("Has Passed:", student['hasPassed']); 
+
 console.log(student);
 
 /* EXPECTED RESULT

diff --git a/1-exercises/C-undefined-properties/exercise.js b/1-exercises/C-undefined-properties/exercise.js
@@ -15,6 +15,7 @@ let car = {
 };
 
 console.log(car["colour"]);
+// the "car" object does not have a property called "colour", so it returns undefined.
 
 // Example 2
 function sayHelloToUser(user) {
@@ -26,6 +27,7 @@ let user = {
 };
 
 sayHelloToUser(user);
+//the "user" object does not have a property called "firstName", as it only has a "name" property.
 
 // Example 3
 let myPet = {
@@ -36,3 +38,4 @@ let myPet = {
 };
 
 console.log(myPet.getName());
+//the function inside "getName" does not have a return statement. 
diff --git a/1-exercises/D-object-methods/exercise.js b/1-exercises/D-object-methods/exercise.js
@@ -8,7 +8,9 @@
 */
 
 let student = {
-  // write code here
+    getName: function(name) {
+    console.log("Student name: " + name);
+  }
 }
 
 student.getName("Daniel");

diff --git a/2-mandatory/1-recipes.js b/2-mandatory/1-recipes.js
@@ -22,4 +22,74 @@
   You should write and log at least 5 recipes
 */
 
-// write code here
+// write code here
+
+// Recipe 1
+let recipe1 = {
+  title: "Mole",
+  servings: 2,
+  ingredients: ["cinnamon", "cumin", "cocoa"]
+};
+
+console.log(recipe1.title);
+console.log("Serves: " + recipe1.servings);
+console.log("Ingredients:");
+for (let i = 0; i < recipe1.ingredients.length; i++) {
+  console.log(recipe1.ingredients[i]);
+}
+
+// Recipe 2
+let recipe2 = {
+  title: "Pasta Carbonara",
+  servings: 4,
+  ingredients: ["spaghetti", "eggs", "bacon", "parmesan cheese", "black pepper"]
+};
+
+console.log(recipe2.title);
+console.log("Serves: " + recipe2.servings);
+console.log("Ingredients:");
+for (let i = 0; i < recipe2.ingredients.length; i++) {
+  console.log(recipe2.ingredients[i]);
+}
+
+// Recipe 3
+let recipe3 = {
+  title: "Chicken Alfredo",
+  servings: 6,
+  ingredients: ["chicken breast", "butter", "garlic", "heavy cream", "parmesan cheese", "parsley"]
+};
+
+console.log(recipe3.title);
+console.log("Serves: " + recipe3.servings);
+console.log("Ingredients:");
+for (let i = 0; i < recipe3.ingredients.length; i++) {
+  console.log(recipe3.ingredients[i]);
+}
+
+// Recipe 4
+let recipe4 = {
+  title: "Beef Stroganoff",
+  servings: 4,
+  ingredients: ["beef sirloin", "onion", "mushrooms", "sour cream", "beef broth", "flour"]
+};
+
+console.log(recipe4.title);
+console.log("Serves: " + recipe4.servings);
+console.log("Ingredients:");
+for (let i = 0; i < recipe4.ingredients.length; i++) {
+  console.log(recipe4.ingredients[i]);
+}
+
+// Recipe 5
+let recipe5 = {
+  title: "Vegetable Stir-Fry",
+  servings: 3,
+  ingredients: ["bell peppers", "broccoli", "carrots", "onion", "garlic", "soy sauce"]
+};
+
+console.log(recipe5.title);
+console.log("Serves: " + recipe5.servings);
+console.log("Ingredients:");
+for (let i = 0; i < recipe5.ingredients.length; i++) {
+  console.log(recipe5.ingredients[i]);
+}
diff --git a/2-mandatory/2-currency-code-lookup.js b/2-mandatory/2-currency-code-lookup.js
@@ -18,9 +18,21 @@ const COUNTRY_CURRENCY_CODES = [
 ];
 
 function createLookup(countryCurrencyCodes) {
-  // write code here
+  let lookup = {};
+
+  for (let i = 0; i < countryCurrencyCodes.length; i++) {
+    let countryCode = countryCurrencyCodes[i][0];
+    let currencyCode = countryCurrencyCodes[i][1];
+
+    lookup[countryCode] = currencyCode;
+  }
+
+  return lookup;
 }
 
+const countryCurrencyLookup = createLookup(COUNTRY_CURRENCY_CODES);
+console.log(countryCurrencyLookup);
+
 /* ======= TESTS - DO NOT MODIFY =====
 - To run the tests for this exercise, run `npm test -- --testPathPattern 2-currency-code-lookup.js`
 - To run all exercises/tests in the mandatory folder, run `npm test`

diff --git a/2-mandatory/3-shopping-list.js b/2-mandatory/3-shopping-list.js
@@ -19,8 +19,27 @@ let pantry = {
 };
 
 function createShoppingList(recipe) {
-  // write code here
+  let missingIngredients = [];
+  for (let i = 0; i < recipe.ingredients.length; i++) {
+    let ingredient = recipe.ingredients[i];
+    if (!pantry.fridgeContents.includes(ingredient) && !pantry.cupboardContents.includes(ingredient)) {
+      missingIngredients.push(ingredient); 
+    }
+  }
+  let shoppingList = {
+    name: recipe.name,
+    items: missingIngredients
+  };
+  return shoppingList;
 }
+let recipe = {
+  name: "Spaghetti Bolognese",
+  ingredients: ["spaghetti", "minced beef", "onion", "garlic", "tomato sauce", "herbs", "cheese"]
+};
+
+let shoppingList = createShoppingList(recipe);
+console.log(shoppingList);
+
 
 /* ======= TESTS - DO NOT MODIFY =====
 - To run the tests for this exercise, run `npm test -- --testPathPattern 3-shopping-list.js`

diff --git a/2-mandatory/4-restaurant.js b/2-mandatory/4-restaurant.js
@@ -13,15 +13,30 @@
 
   Add another method to the cashRegister object which is called orderFalafel and handles ordering a falafel, in the same way as ordering a burger.
 */
-
 const MENU = {
   burger: 6.5,
   falafel: 7.25,
 };
 
 let cashRegister = {
-  // write code here
-}
+  // method to order a burger
+  orderBurger: function(balance) {
+    if (balance >= MENU.burger) {
+      balance -= MENU.burger;
+    }
+    return balance;
+  },
+
+  // method to order a falafel
+  orderFalafel: function(balance) {
+    if (balance >= MENU.falafel) {
+      balance -= MENU.falafel;
+    }
+    return balance;
+  }
+};
+
+
 
 /* ======= TESTS - DO NOT MODIFY =====
 - To run the tests for this exercise, run `npm test -- --testPathPattern 4-restaurant.js`

diff --git a/3-extra/1-count-words.js b/3-extra/1-count-words.js
@@ -23,13 +23,41 @@
     - Setting values on an object
 */
 
+// function countWords(string) {
+//   const wordCount = {};
+//   const words = string.toLowerCase().split(" ");
+//   words.forEach(word => {
+//     if (!wordCount.hasOwnProperty(word)) {
+//       wordCount[word] = 1;
+//     } else {
+//       wordCount[word] ++;
+//     }
+//   });
+
+//   return wordCount;
+// }
+
+// below is the solution : 
+
 function countWords(string) {
   const wordCount = {};
 
-  // write code here
+  let arrayOfWords = string.split(" ");
+
+  arrayOfWords.forEach((word) => {
+    if (word !== "") {
+      if (wordCount.hasOwnProperty(word)) {
+        wordCount[word] += 1;
+      } else {
+        wordCount[word] = 1;
+      }
+    }
+  });
 
   return wordCount;
 }
+
+
 
 /* ======= TESTS - DO NOT MODIFY =====
 - To run the tests for this exercise, run `npm run extra-tests`