ZA2-Riyaaz Singh - JavaScript-Core-2-Coursework-Week1

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

@@ -8,21 +8,21 @@ let dog = {
   breed: "Dalmatian",
   name: "Spot",
   isHungry: true,
-  happiness: 6
+  happiness: 6,
 };
 
 /*
   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}`);
 
 /* EXPECTED RESULT
 
   Spot is a Dalmatian
 
-*/
+*/

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

@@ -7,7 +7,7 @@
 let capitalCities = {
   UnitedKingdom: "London",
   China: "Beijing",
-  Peru: "Lima"
+  Peru: "Lima",
 };
 
 /*
@@ -17,12 +17,12 @@ let capitalCities = {
 */
 
 let myCountry = "UnitedKingdom";
-let myCapitalCity; // complete the code
+let myCapitalCity = capitalCities[myCountry]; // complete the code
 
 console.log(myCapitalCity);
 
 /* EXPECTED RESULT
 
   London
 
-*/
+*/

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

@@ -21,12 +21,15 @@ let basketballTeam = {
 */
 
 // write code here
-
+let topPlayersSorted = basketballTeam.topPlayers.sort();
+for (item of topPlayersSorted) {
+  console.log(item);
+}
 
 /* EXPECTED RESULT
 
   Dennis Rodman
   Michael Jordan
   Scottie Pippen
 
-*/
+*/

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

@@ -10,7 +10,7 @@ let capitalCities = {
   },
   China: {
     name: "Beijing",
-  }
+  },
 };
 
 /*
@@ -24,6 +24,12 @@ 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
@@ -34,4 +40,4 @@ console.log(capitalCities);
     Peru: { name: "Lima", population: 9750000 }
   }
 
-*/
+*/

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

@@ -6,7 +6,7 @@
 let student = {
   name: "Reshma Saujani",
   examScore: 65,
-  hasPassed: false
+  hasPassed: false,
 };
 
 /*
@@ -16,6 +16,7 @@ let student = {
 */
 
 // write code here
+student["attendance"] = 90;
 
 /*
   - Write an "if" statement that changes the value of hasPassed to true
@@ -25,7 +26,8 @@ let student = {
   - Use bracket notation to change the value of hasPassed
 */
 
-// write code here
+if (student.attendance >= 90 && student.examScore > 60)
+  student["hasPassed"] = true;
 
 console.log(student);
 
@@ -38,4 +40,4 @@ console.log(student);
     attendance: 90
   }
 
-*/
+*/

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

@@ -14,24 +14,24 @@ let car = {
   yearsOld: 8,
 };
 
-console.log(car["colour"]);
+console.log(car["colour"]); // trying to log a property that does not exist in the object
 
 // Example 2
 function sayHelloToUser(user) {
-  console.log(`Hello ${user.firstName}`);
+  console.log(`Hello ${user.firstName}`); // "firstName" should be "name" in this case
 }
 
 let user = {
-  name: "Mira"
+  name: "Mira",
 };
 
 sayHelloToUser(user);
 
 // Example 3
 let myPet = {
   animal: "Cat",
-  getName: function() {
-    "My pet's name is Fluffy";
+  getName: function () {
+    ("My pet's name is Fluffy"); // return "My pet's name is Fluffy" would be the correct way to end off this function. or console.log();
   },
 };
 

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

@@ -8,13 +8,15 @@
 */
 
 let student = {
-  // write code here
-}
+  getName: function (name) {
+    console.log(`Student name: ${name}`);
+  },
+};
 
 student.getName("Daniel");
 
 /* EXPECTED RESULT
 
   Student name: Daniel
 
-*/
+*/

2-mandatory/1-recipes.js

@@ -22,4 +22,71 @@
   You should write and log at least 5 recipes
 */
 
-// write code here
+function logRecipes(recipe) {
+  console.log(recipe.title);
+  console.log(`Serves: ${recipe.servings}`);
+  console.log(`Ingredients: ${recipe.ingredients}`);
+}
+
+let recipe1 = {
+  title: "Mole",
+  servings: 2,
+  ingredients: ["cinnamon", "cumin", "cocoa"],
+};
+
+let recipe2 = {
+  title: "Semolina Pudding",
+  servings: 6,
+  ingredients: [
+    "3/4 cup Taystee wheat or Semolina",
+    "125gram + 25gram butter",
+    "2 pieces cinnamon stick",
+    "3 cups milk",
+    "1tspn elachie/cardamom powder",
+    "1 teaspoon almond powder",
+    "few strands saffron",
+    "few drops egg yellow food colouring",
+    "6-8 tbsp condensed milk",
+    "fresh cream",
+  ],
+};
+
+let recipe3 = {
+  title: "Coffee",
+  servings: 1,
+  ingredients: [
+    "2 spoons of coffee",
+    "2 spoons of sugar",
+    "3-4 spoons coffee creamer",
+  ],
+};
+
+let recipe4 = {
+  title: "Tea",
+  servings: 1,
+  ingredients: ["1 tea bag", "2 teaspoons of sugar", "milk"],
+};
+
+let recipe5 = {
+  title: "Banana loaf",
+  servings: 2,
+  ingredients: [
+    "butter",
+    "sugar",
+    "eggs",
+    "bananas",
+    "cake flour",
+    "salt",
+    "baking soda",
+  ],
+};
+
+logRecipes(recipe1);
+
+logRecipes(recipe2);
+
+logRecipes(recipe3);
+
+logRecipes(recipe4);
+
+logRecipes(recipe5);

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

@@ -18,7 +18,8 @@ const COUNTRY_CURRENCY_CODES = [
 ];
 
 function createLookup(countryCurrencyCodes) {
-  // write code here
+  object = Object.assign(...countryCurrencyCodes.map(([k, v]) => ({ [k]: v }))); // source: https://tinyurl.com/3k5pjwch
+  return object;
 }
 
 /* ======= TESTS - DO NOT MODIFY =====
@@ -34,4 +35,4 @@ test("creates country currency code lookup", () => {
     NG: "NGN",
     MX: "MXN",
   });
-});
+});

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 = {
@@ -19,7 +19,16 @@ let pantry = {
 };
 
 function createShoppingList(recipe) {
-  // write code here
+  let result = recipe.ingredients.filter(
+    (element) =>
+      !pantry.fridgeContents.includes(element) &&
+      !pantry.cupboardContents.includes(element)
+  );
+  let finalList = {
+    name: recipe.name,
+    items: result,
+  };
+  return finalList;
 }
 
 /* ======= TESTS - DO NOT MODIFY =====
@@ -43,11 +52,18 @@ test("createShoppingList works for pancakes recipe", () => {
 test("createShoppingList works for margherita pizza recipe", () => {
   let recipe2 = {
     name: "margherita pizza",
-    ingredients: ["flour", "salt", "yeast", "tinned tomatoes", "oregano", "mozarella"],
+    ingredients: [
+      "flour",
+      "salt",
+      "yeast",
+      "tinned tomatoes",
+      "oregano",
+      "mozarella",
+    ],
   };
 
   expect(createShoppingList(recipe2)).toEqual({
     name: "margherita pizza",
-    items: ["flour", "yeast", "mozarella"]
+    items: ["flour", "yeast", "mozarella"],
   });
-});
+});

2-mandatory/4-restaurant.js

@@ -20,8 +20,15 @@ const MENU = {
 };
 
 let cashRegister = {
-  // write code here
-}
+  orderBurger: function (balance) {
+    if (balance >= MENU.burger) balance = balance - MENU.burger;
+    return balance;
+  },
+  orderFalafel: function (balance) {
+    if (balance >= MENU.falafel) balance = balance - MENU.falafel;
+    return balance;
+  },
+};
 
 /* ======= TESTS - DO NOT MODIFY =====
 - To run the tests for this exercise, run `npm test -- --testPathPattern 4-restaurant.js`