WM4 - JavaScript- Core2 - Emeka - 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 = ("Spot")
+let dogBreed = ("Dalmatian")
 
 console.log(`${dogName} is a ${dogBreed}`);
 

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

@@ -7,7 +7,7 @@
 let capitalCities = {
   UnitedKingdom: "London",
   China: "Beijing",
-  Peru: "Lima"
+  Peru: "Lima",
 };
 
 /*
@@ -17,7 +17,7 @@ let capitalCities = {
 */
 
 let myCountry = "UnitedKingdom";
-let myCapitalCity; // complete the code
+let myCapitalCity = capitalCities[myCountry];
 
 console.log(myCapitalCity);
 

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

@@ -21,7 +21,9 @@ let basketballTeam = {
 */
 
 // write code here
-
+basketballTeam.topPlayers.sort().forEach((player) => {
+  console.log(player);
+});
 
 /* EXPECTED RESULT
 

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

@@ -24,6 +24,10 @@ let capitalCities = {
 
 // write code here
 
+capitalCities.UnitedKingdom.population = 8980000;
+capitalCities.China.population = 21500000;
+capitalCities.Peru = { name: "Lima", population: 9750000 };
+
 console.log(capitalCities);
 
 /* EXPECTED RESULT

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

@@ -16,6 +16,7 @@ let student = {
 */
 
 // write code here
+student["attendance"] = 90;
 
 /*
   - Write an "if" statement that changes the value of hasPassed to true
@@ -26,9 +27,10 @@ let student = {
 */
 
 // write code here
-
+if (student["attendance"] >= 90 && student["examScore"] > 60) {
+  student["hasPassed"] = true;
+}
 console.log(student);
-
 /* EXPECTED RESULT
 
   {

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

@@ -18,7 +18,8 @@ console.log(car["colour"]);
 
 // Example 2
 function sayHelloToUser(user) {
-  console.log(`Hello ${user.firstName}`);
+  console.log(`Hello ${user.firstName}`); 
+  // "user" object doesn't have a first Name defined
 }
 
 let user = {
@@ -32,7 +33,7 @@ let myPet = {
   animal: "Cat",
   getName: function() {
     "My pet's name is Fluffy";
-  },
+  }, //a return statement is missing in getName 
 };
 
 console.log(myPet.getName());

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

@@ -11,6 +11,12 @@ let student = {
   // write code here
 }
 
+getName: function (name) {
+  this.name = name;
+  console.log(`Student name: ${name}`);
+},
+
+
 student.getName("Daniel");
 
 /* EXPECTED RESULT

2-mandatory/1-recipes.js

@@ -22,4 +22,58 @@
   You should write and log at least 5 recipes
 */
 
-// write code here
+// write code here
+
+let recipe = {
+  title: "orange juice",
+  servings: 4,
+  ingredients: ["oranges", "ice cubes", "sugar", "water"],
+};
+
+console.log(recipe.title);
+console.log(`Serves: ${recipe.servings}`);
+console.log("Ingredients:");
+recipe.ingredients.forEach((ingredient) => console.log(ingredient));
+
+let recipe2 = {
+  title: "Pancakes",
+  servings: 3,
+  ingredients: ["flour", "eggs", "sugar", "butter"],
+};
+
+console.log(recipe2.title);
+console.log(`Serves: ${recipe2.servings}`);
+console.log("Ingredients:");
+recipe2.ingredients.forEach((ingredient) => console.log(ingredient));
+
+let recipe3 = {
+  title: "Jellofrice",
+  servings: 4,
+  ingredients: ["rice", "tomatoes", "vegetable-oil", "salt", "pepper"],
+};
+
+console.log(recipe3.title);
+console.log(`Serves: ${recipe3.servings}`);
+console.log("Ingredients:");
+recipe3.ingredients.forEach((ingredient) => console.log(ingredient));
+
+let recipe4 = {
+  title: "Noodles",
+  servings: 2,
+  ingredients: ["noodles", "carrots", "water"],
+};
+
+console.log(recipe4.title);
+console.log(`Serves: ${recipe4.servings}`);
+console.log("Ingredients:");
+recipe4.ingredients.forEach((ingredient) => console.log(ingredient));
+
+let recipe5 = {
+  title: "Pasta",
+  servings: 1,
+  ingredients: ["spaghetti", "tomatoes", "salt", "vegetable-oil", "thyme"],
+};
+console.log(recipe5.title);
+console.log(`Serves: ${recipe5.servings}`);
+console.log("Ingredients:");
+recipe5.ingredients.forEach((ingredient) => console.log(ingredient));

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

@@ -19,8 +19,16 @@ const COUNTRY_CURRENCY_CODES = [
 
 function createLookup(countryCurrencyCodes) {
   // write code here
+  return Object.fromEntries(countryCurrencyCodes);
 }
 
+console.table(createLookup(COUNTRY_CURRENCY_CODES))
+
+
+
+
+// console.log(createLookup(COUNTRY_CURRENCY_CODES));
+
 /* ======= 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`

2-mandatory/3-shopping-list.js

@@ -1,13 +1,10 @@
 /*
   You have a pantry object that tells you the contents of your fridge and your cupboards.
-
   Write a function createShoppingList that takes a recipe as a parameter.
   The recipe parameter has two properties:
     - "name", which is a string
     - "ingredients", which is an array of strings
-
   The createShoppingList function should find which ingredients from the recipe are missing from the pantry.
-
   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
@@ -20,7 +17,27 @@ let pantry = {
 
 function createShoppingList(recipe) {
   // write code here
+  let res = {
+    name: recipe.name,
+    items: recipe.ingredients.filter(
+      (x) => !pantry.fridgeContents.concat(pantry.cupboardContents).includes(x)
+    ),
+  };
+  return res;
 }
+console.log(
+  createShoppingList({
+    name: "margherita pizza",
+    ingredients: [
+      "flour",
+      "salt",
+      "yeast",
+      "tinned tomatoes",
+      "oregano",
+      "mozarella",
+    ],
+  })
+);
 
 /* ======= TESTS - DO NOT MODIFY =====
 - To run the tests for this exercise, run `npm test -- --testPathPattern 3-shopping-list.js`

2-mandatory/4-restaurant.js

@@ -20,7 +20,18 @@ const MENU = {
 };
 
 let cashRegister = {
-  // write code here
+  orderBurger: function (balance) {
+    if (balance >= MENU.burger) {
+      return balance - MENU.burger
+    }
+    return balance;
+  },
+  orderFalafel: function (balance) {
+    if (balance >= MENU.falafel) {
+      return balance - MENU.falafel
+    }
+    return balance;
+  }
 }
 
 /* ======= TESTS - DO NOT MODIFY =====