London10 - Khalil Alhaydr - JavaScrpit-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; 
+let dogBreed = dog.breed;
 
 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"];
 
 console.log(myCapitalCity);
 

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

@@ -20,7 +20,15 @@ let basketballTeam = {
     - console.logs the name of each player on a new line
 */
 
-// write code here
+function bestPlayers() {
+  let topPlayersNames = basketballTeam.topPlayers
+  topPlayersNames =  topPlayersNames.sort()
+  console.log(topPlayersNames)
+
+}
+
+bestPlayers();
+
 
 
 /* EXPECTED RESULT

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

@@ -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);
 

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
@@ -26,6 +27,12 @@ let student = {
 */
 
 // write code here
+function isPassed (attendance, examScore) {
+  if ((attendance >= 90) && (examScore > 60)) {
+    return true;
+  }
+}
+student ["hasPassed"] = isPassed(90, 65);
 
 console.log(student);
 

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

@@ -14,25 +14,25 @@ let car = {
   yearsOld: 8,
 };
 
-console.log(car["colour"]);
+console.log(car["colour"]); // the property colour is not defined in the object car
 
 // Example 2
 function sayHelloToUser(user) {
-  console.log(`Hello ${user.firstName}`);
+  console.log(`Hello ${user.firstName}`); 
 }
 
 let user = {
   name: "Mira"
 };
 
-sayHelloToUser(user);
+sayHelloToUser(user); // in this example the object user has the property name and not firstName as used in the function sayHelloToUser
 
 // Example 3
 let myPet = {
   animal: "Cat",
   getName: function() {
-    "My pet's name is Fluffy";
+    return("My pet's name is Fluffy");
   },
 };
 
-console.log(myPet.getName());
+console.log(myPet.getName()); // the function in the property getName should has a return statement

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

@@ -8,7 +8,10 @@
 */
 
 let student = {
-  // write code here
+  getName: function(name) {
+    console.log(`Student name: ${name}`)
+  }
+
 }
 
 student.getName("Daniel");

2-mandatory/1-recipes.js

@@ -22,4 +22,22 @@
   You should write and log at least 5 recipes
 */
 
-// write code here
+// write code here
+
+let favRecipe1 = {
+  name: "salads",
+  servings: "services: " + 2,
+  ingredients: ["tomato", "cucamber", "lemon", "avocado", "sweetcorn", "eggs"]
+}
+function ingredientPrinting(favRecipe1) {
+  console.log("ingredients: ")
+  for ( let i = 0; i < favRecipe1.ingredients.length; i++) {
+    console.log(favRecipe1.ingredients[i]);
+  }
+}
+
+
+console.log(favRecipe1.name);
+console.log(favRecipe1.servings);
+ingredientPrinting(favRecipe1);
+

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

@@ -18,8 +18,18 @@ const COUNTRY_CURRENCY_CODES = [
 ];
 
 function createLookup(countryCurrencyCodes) {
-  // write code here
+  let key;
+  let value;
+  let countryCurrencyObject = {};
+  for (let i = 0; i < countryCurrencyCodes.length; i++) {
+   key = countryCurrencyCodes[i][0];
+   value = countryCurrencyCodes[i][1];
+  countryCurrencyObject[key] = value;
 }
+return countryCurrencyObject
+}
+
+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`
@@ -34,4 +44,5 @@ test("creates country currency code lookup", () => {
     NG: "NGN",
     MX: "MXN",
   });
-});
+});
+

2-mandatory/3-shopping-list.js

@@ -19,8 +19,28 @@ let pantry = {
 };
 
 function createShoppingList(recipe) {
-  // write code here
-}
+  let shoppingList = {};
+  shoppingList.name = recipe.name;
+  shoppingList.items = [];
+  for (let element of recipe.ingredients) {
+    if (pantry.fridgeContents.includes(element)) {
+      shoppingList.items = shoppingList.items
+    } else if (pantry.cupboardContents.includes(element)) {
+      shoppingList.items = shoppingList.items
+    } else {
+      shoppingList.items.push(element)
+    }
+  }
+  return shoppingList   
+  }
+// let recipe1 = {
+//     name: "pancakes",
+//     ingredients: ["flour", "salt", "milk", "eggs", "vegetable oil"],
+//   };
+// console.log(createShoppingList(recipe1));
+
+
+
 
 /* ======= TESTS - DO NOT MODIFY =====
 - To run the tests for this exercise, run `npm test -- --testPathPattern 3-shopping-list.js`
@@ -34,6 +54,7 @@ test("createShoppingList works for pancakes recipe", () => {
     ingredients: ["flour", "salt", "milk", "eggs", "vegetable oil"],
   };
 
+
   expect(createShoppingList(recipe1)).toEqual({
     name: "pancakes",
     items: ["flour", "eggs", "vegetable oil"],

2-mandatory/4-restaurant.js

@@ -18,11 +18,26 @@ const MENU = {
   burger: 6.5,
   falafel: 7.25,
 };
-
+let balance = 6.5
 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`
 - To run all exercises/tests in the mandatory folder, run `npm test`

2-mandatory/5-writing-tests.js

@@ -35,41 +35,62 @@ function convertScoreToGrade(score) {
   passes.
 */
 test("a score of 83 is grade A", () => {
-  expect(convertScoreToGrade(83), "Z");
+  expect(convertScoreToGrade(83)).toEqual("A");
 });
 
 /*
   The rest of the tests have comments describing what to test and you need to
   write a matching test
 */
 
-test.skip("a score of 71 is grade B", () => {
-  /* Remove the .skip above, then write the test body. */
+test("a score of 71 is grade B", () => {
+  expect(convertScoreToGrade(71)).toEqual("B")
 });
 /*
   Write a test that checks a score of 68 is grade C
 */
+test("a score of 68 is grade C", () => {
+  expect(convertScoreToGrade(68)).toEqual("C")
+});
 
 /*
   Write a test that checks a score of 55 is grade D
 */
+test("a score of 55 is grade D", () => {
+  expect(convertScoreToGrade(55)).toEqual("D")
+});
 
 /*
   Write a test that checks a score of 68 is grade C
 */
+test("a score of 68 is grade C", () => {
+  expect(convertScoreToGrade(68)).toEqual("C")
+});
 
 /*
   Write a test that checks a score of 55 is grade D
 */
+test("a score of 55 is grade D", () => {
+  expect(convertScoreToGrade(55)).toEqual("D")
+});
 
 /*
   Write a test that checks a score of 49 is grade E
 */
+test("a score of 49 is grade E", () => {
+  expect(convertScoreToGrade(49)).toEqual("E")
+});
 
 /*
   Write a test that checks a score of 30 is grade E
 */
+test("a score of 30 is grade E", () => {
+  expect(convertScoreToGrade(30)).toEqual("E")
+});
 
 /*
   Write a test that checks a score of 70 is grade B
 */
+test("a score of 70 is grade B", () => {
+  expect(convertScoreToGrade(70)).toEqual("B")
+});

2-mandatory/6-writing-tests-advanced.js

@@ -10,7 +10,9 @@
   trainee has completed.
 */
 
-function convertScoreToGrade() {
+const { TestScheduler } = require("jest");
+
+function convertScoreToGrade(score) {
   let grade = null;
 
   if (score >= 80) {
@@ -55,6 +57,13 @@ function formatCourseworkResult(trainee) {
     score: 63
   }
 */
+test("Xin's coursework was marked as grade C", () => {
+  let trainee = {
+    name: "Xin",
+    score: 63,
+  }
+  expect(formatCourseworkResult(trainee)).toEqual("Xin's coursework was marked as grade C.")
+});
 
 /*
   Write a test that checks the output of formatCourseworkResult when passed the following trainee:
@@ -63,6 +72,13 @@ function formatCourseworkResult(trainee) {
     score: 78
   }
 */
+test("Mona's coursework was marked as grade B", () => {
+  let trainee = {
+    name: "Mona",
+    score: 78,
+  }
+  expect(formatCourseworkResult(trainee)).toEqual("Mona's coursework was marked as grade B.")
+});
 
 /*
   Write a test that checks the output of formatCourseworkResult when passed the following trainee:
@@ -73,6 +89,15 @@ function formatCourseworkResult(trainee) {
     subjects: ["JavaScript", "React", "CSS"]
   }
 */
+test("Ali's coursework was marked as grade E", () => {
+  let trainee = {
+    name: "Ali",
+    score: 49,
+    age: 33,
+    subjects: ["JavaScript", "React", "CSS"]
+  }
+  expect(formatCourseworkResult(trainee)).toEqual("Ali's coursework was marked as grade E.")
+});
 
 /*
   Write a test that checks the output of formatCourseworkResult when passed the following trainee:
@@ -81,6 +106,13 @@ function formatCourseworkResult(trainee) {
     age: 29
   }
 */
+test("no trainee name is equal to Error: No trainee name!", () => {
+  let trainee = {
+    score: 90,
+    age: 29,
+  }
+  expect(formatCourseworkResult(trainee)).toEqual("Error: No trainee name!")
+});
 
 /*
   Write a test that checks the output of formatCourseworkResult when passed the following trainee:
@@ -89,3 +121,12 @@ function formatCourseworkResult(trainee) {
     subjects: ["HTML", "CSS", "Databases"]
   }
 */
+test("no trainee score is equal to Error: Coursework percent is not a number!", () => {
+  let trainee = {
+    name: "Aman",
+    subjects: ["HTML", "CSS", "Databasese"],
+
+  }
+  expect(formatCourseworkResult(trainee)).toEqual("Error: Coursework percent is not a number!")
+});
+

3-extra/1-count-words.js

@@ -25,8 +25,8 @@
 
 function countWords(string) {
   const wordCount = {};
-
-  // write code here
+  
+
 
   return wordCount;
 }