London 9 -Sana Asaf - JavaScript-Core-2-Coursework-Week1

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}`);
 

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

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

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

@@ -19,7 +19,8 @@ let basketballTeam = {
     - sorts the top players in alphabetical order
     - console.logs the name of each player on a new line
 */
-
+let array=basketballTeam.topPlayers;
+console.log(array.sort());
 // write code here
 
 

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

@@ -23,7 +23,9 @@ 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

@@ -15,7 +15,7 @@ let student = {
     - Set the value of attendance to 90
 */
 
-// write code here
+student["attendance"]=90;
 
 /*
   - Write an "if" statement that changes the value of hasPassed to true
@@ -24,8 +24,9 @@ let student = {
       exam score is above 60.
   - Use bracket notation to change the value of hasPassed
 */
+if (student["examScore"]>60 && student["attendance"]>=90)
+student["hasPassed"] = true ;
 
-// write code here
 
 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"]);// undefined because color property has not been defined in object specification
 
 // Example 2
 function sayHelloToUser(user) {
-  console.log(`Hello ${user.firstName}`);
+  console.log(`Hello ${user.firstName}`);//undefined because firstName property has not been defined in object specification
 }
 
 let user = {
@@ -35,4 +35,4 @@ let myPet = {
   },
 };
 
-console.log(myPet.getName());
+console.log(myPet.getName());//undefined because the function getName() does not return value and hence undefined will be returned

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

@@ -9,6 +9,9 @@
 
 let student = {
   // write code here
+  getName: function(name) {
+    console.log("Student name: "+name);
+  }
 }
 
 student.getName("Daniel");

2-mandatory/1-recipes.js

@@ -20,6 +20,55 @@
   cocoa
 
   You should write and log at least 5 recipes
+
+
 */
 
-// write code here
+let recipe = {
+  title :"Mole",
+  servings : 2 ,
+  ingredients : [
+    "cinnamon" , "cumin" , "cocoa"
+  ],
+  displayRecipe : function (){
+    console.log(this.title);
+    console.log("Serves : "+ this.servings);
+    console.log("Ingredients:");
+    for (item of this.ingredients){
+      console.log(item);
+    }
+  }
+}
+let recipe1 = {
+  title :"Biryani",
+  servings : 2 ,
+  ingredients : [
+    "rice" , "spices" , "meat"
+  ],
+  displayRecipe : function (){
+    console.log(this.title);
+    console.log("Serves : "+ this.servings);
+    console.log("Ingredients:");
+    for (item of this.ingredients){
+      console.log(item);
+    }
+  }
+}
+let recipe2 = {
+  title :"Anda Paratha",
+  servings : 2 ,
+  ingredients : [
+    "eggs" , "spices" , "atta" , "oil"
+  ],
+  displayRecipe : function (){
+    console.log(this.title);
+    console.log("Serves : "+ this.servings);
+    console.log("Ingredients:");
+    for (item of this.ingredients){
+      console.log(item);
+    }
+  }
+}
+recipe.displayRecipe();
+recipe1.displayRecipe();
+recipe2.displayRecipe();

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

@@ -18,8 +18,13 @@ const COUNTRY_CURRENCY_CODES = [
 ];
 
 function createLookup(countryCurrencyCodes) {
-  // write code here
+  let codesObject = {};
+  countryCurrencyCodes.forEach(element => {
+  codesObject[element[0]] = element[1];
+  });
+  return codesObject;
 }
+createLookup(COUNTRY_CURRENCY_CODES);
 
 /* ======= TESTS - DO NOT MODIFY =====
 - To run the tests for this exercise, run `npm test -- --testPathPattern 2-currency-code-lookup.js`

2-mandatory/3-shopping-list.js

@@ -11,6 +11,7 @@
   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
+
 */
 
 let pantry = {
@@ -19,7 +20,14 @@ let pantry = {
 };
 
 function createShoppingList(recipe) {
-  // write code here
+  let shoppingList = {};
+  shoppingList.name = recipe.name;
+  shoppingList.items = [];
+  recipe.ingredients.map(item => {
+    if (!pantry.fridgeContents.includes(item) && !pantry.cupboardContents.includes(item))
+      shoppingList.items.push(item);
+  });
+  return shoppingList;
 }
 
 /* ======= TESTS - DO NOT MODIFY =====
@@ -50,4 +58,5 @@ test("createShoppingList works for margherita pizza recipe", () => {
     name: "margherita pizza",
     items: ["flour", "yeast", "mozarella"]
   });
-});
+});
+

2-mandatory/4-restaurant.js

@@ -12,6 +12,7 @@
     - the method should return the new balance
 
   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 = {
@@ -20,8 +21,16 @@ 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`

3-extra/1-count-words.js

@@ -21,6 +21,16 @@
     - Loops or forEach
     - Comparison inside if statements
     - Setting values on an object
+    if (string === "") {
+      return wordCount;
+    }
+    string.split(" ").forEach((word) => {
+      if (wordCount[word] >= 1) {
+        wordCount[word]++;
+      } else {
+        wordCount[word] = 1;
+      }
+    });
 */
 
 function countWords(string) {