WM4 - Azin Yadegari - JavaScript -Core2-Week1

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

@@ -1,28 +1,28 @@
 /*
   This object has 4 properties
   The properties of the object are all primitive types (string, number or boolean)
-  What is the type of each property?
+  What is the type of each property? string
 */
 
 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["UnitedKingdom"]; // complete the code
 
 console.log(myCapitalCity);
 
 /* EXPECTED RESULT
 
   London
 
-*/
+*/

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

@@ -21,7 +21,7 @@ let basketballTeam = {
 */
 
 // write code here
-
+console.log(basketballTeam.topPlayers)
 
 /* EXPECTED RESULT
 

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

@@ -10,7 +10,7 @@ let capitalCities = {
   },
   China: {
     name: "Beijing",
-  }
+  },
 };
 
 /*
@@ -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);
 
@@ -34,4 +39,4 @@ 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,
 };
 
 /*
@@ -16,7 +16,7 @@ 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
@@ -27,6 +27,10 @@ let student = {
 
 // write code here
 
+if (student.attendance >= 90 && student.examScore > 60) {
+  student["hasPassed"] = true;
+}
+
 console.log(student);
 
 /* EXPECTED RESULT
@@ -38,4 +42,4 @@ console.log(student);
     attendance: 90
   }
 
-*/
+*/

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

@@ -15,24 +15,25 @@ let car = {
 };
 
 console.log(car["colour"]);
+// car object doesn't have any colour key , so its undefined.
 
 // Example 2
 function sayHelloToUser(user) {
   console.log(`Hello ${user.firstName}`);
 }
 
 let user = {
-  name: "Mira"
+  name: "Mira",
 };
-
+// user object only has one property which is name, so firstName is undefined.
 sayHelloToUser(user);
 
 // Example 3
 let myPet = {
   animal: "Cat",
-  getName: function() {
+  getName: function () {
     "My pet's name is Fluffy";
   },
 };
-
+// there is no return in the function .
 console.log(myPet.getName());

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

@@ -9,12 +9,15 @@
 
 let student = {
   // write code here
-}
+  getName(name) {
+    console.log(`Student name:${name}`);
+  },
+};
 
 student.getName("Daniel");
 
 /* EXPECTED RESULT
 
   Student name: Daniel
 
-*/
+*/

2-mandatory/1-recipes.js

@@ -22,4 +22,65 @@
   You should write and log at least 5 recipes
 */
 
-// write code here
+// write code here
+const recipes = {
+  first: {
+    title: "Spaghetti",
+    serves: 6,
+    ingredients: ["pasta", "mince", "tomato"],
+  },
+  second: {
+    title: "Hummus",
+    serves: 2,
+    ingredients: ["Tahini", "chickpea"],
+  },
+  third: {
+    title: "fish & chips",
+    serves: 4,
+    ingredients: ["fish", "potato", "bread crumbs"],
+  },
+  forth: {
+    title: "porridge",
+    serves: 1,
+    ingredients: ["oat", "milk"],
+  },
+  fifth: {
+    title: "guacamole",
+    serves: 3,
+    ingredients: ["avocado", "tomato", "onion", "parsley"],
+  },
+};
+
+console.log(recipes.first.title);
+console.log(`serves:${recipes.first.serves}`);
+console.log(`ingredients:`);
+console.log(recipes.first.ingredients[0]);
+console.log(recipes.first.ingredients[1]);
+console.log(recipes.first.ingredients[2]);
+
+console.log(recipes.second.title);
+console.log(`serves:${recipes.second.serves}`);
+console.log(`ingredients:`);
+console.log(recipes.second.ingredients[0]);
+console.log(recipes.second.ingredients[1]);
+
+console.log(recipes.third.title);
+console.log(`serves:${recipes.third.serves}`);
+console.log(`ingredients:`);
+console.log(recipes.third.ingredients[0]);
+console.log(recipes.third.ingredients[1]);
+console.log(recipes.third.ingredients[2]);
+
+console.log(recipes.forth.title);
+console.log(`serves:${recipes.forth.serves}`);
+console.log(`ingredients:`);
+console.log(recipes.forth.ingredients[0]);
+console.log(recipes.forth.ingredients[1]);
+
+console.log(recipes.fifth.title);
+console.log(`serves:${recipes.fifth.serves}`);
+console.log(`ingredients:`);
+console.log(recipes.fifth.ingredients[0]);
+console.log(recipes.fifth.ingredients[1]);
+console.log(recipes.fifth.ingredients[2]);
+console.log(recipes.fifth.ingredients[3]);

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

@@ -19,6 +19,11 @@ const COUNTRY_CURRENCY_CODES = [
 
 function createLookup(countryCurrencyCodes) {
   // write code here
+  let countryObj = {};
+  for (let i = 0; i < countryCurrencyCodes.length; i++) {
+    countryObj[countryCurrencyCodes[i][0]] = countryCurrencyCodes[i][1];
+  }
+  return countryObj;
 }
 
 /* ======= TESTS - DO NOT MODIFY =====
@@ -34,4 +39,4 @@ 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 = {
@@ -20,6 +20,25 @@ let pantry = {
 
 function createShoppingList(recipe) {
   // write code here
+  let shoppingFor = {};
+  let shoppingList = [];
+  // shoppingList= pantryItems.filter(item => !recipe["ingredients"].includes(item))
+  // let pantryItems=pantry["fridgeContents"].concat(pantry["cupboardContents"])
+
+  for (let item of recipe.ingredients) {
+    if (
+      !(
+        pantry["fridgeContents"].includes(item) ||
+        pantry["cupboardContents"].includes(item)
+      )
+    ) {
+      shoppingList.push(item);
+    }
+  }
+
+  shoppingFor.name = recipe.name;
+  shoppingFor.items = shoppingList;
+  return shoppingFor;
 }
 
 /* ======= TESTS - DO NOT MODIFY =====
@@ -43,11 +62,18 @@ 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

@@ -21,7 +21,21 @@ const MENU = {
 
 let cashRegister = {
   // write code here
-}
+  orderBurger(balance) {
+    if (balance >= 6.5) {
+      return balance - 6.5;
+    } else {
+      return balance;
+    }
+  },
+  orderFalafel(balance) {
+    if (balance >= 7.25) {
+      return balance - 7.25;
+    } else {
+      return balance;
+    }
+  },
+};
 
 /* ======= TESTS - DO NOT MODIFY =====
 - To run the tests for this exercise, run `npm test -- --testPathPattern 4-restaurant.js`