CodeYourFuture · hadipournigjeh · Nov 23, 2022 · Nov 24, 2022 · Nov 24, 2022 · Nov 24, 2022
diff --git a/exercises/B-hello-world/exercise.js b/exercises/B-hello-world/exercise.js
@@ -1 +1,9 @@
 console.log("Hello world");
+
+console.log(`cd exercises/B-hello-world`);
+console.log(`node exercise.js`);
+console.log('Hello World. I just started learning JavaScript!');
+console.log("CYF");
+console.log(`week` + " " + 1 + " " + "js1");
+console.log(`terminal, ${1};`);
+console.log(35);
diff --git a/exercises/C-variables/exercise.js b/exercises/C-variables/exercise.js
@@ -1,3 +1,7 @@
 // Start by creating a variable `greeting`
 
+var greeting = "Hello World";
+
+console.log(greeting);
+console.log(greeting);
 console.log(greeting);
diff --git a/exercises/D-strings/exercise.js b/exercises/D-strings/exercise.js
@@ -1,3 +1,7 @@
 // Start by creating a variable `message`
 
+let message = "This is a string";
+let typeOfString = typeof message;
+
 console.log(message);
+console.log(typeOfString);
diff --git a/exercises/E-strings-concatenation/exercise.js b/exercises/E-strings-concatenation/exercise.js
@@ -1,3 +1,10 @@
 // Start by creating a variable `message`
 
+
+let greetingString = "Hello, my name is ";
+let name = "Hadi A.P";
+
+let message = greetingString + name;
+
+
 console.log(message);
diff --git a/exercises/F-strings-methods/exercise.js b/exercises/F-strings-methods/exercise.js
@@ -1,3 +1,5 @@
 // Start by creating a variable `message`
+let name = "Hadi";
+let nameLength = name.length;
 
-console.log(message);
+console.log(nameLength);
diff --git a/exercises/F-strings-methods/exercise2.js b/exercises/F-strings-methods/exercise2.js
@@ -1,3 +1,5 @@
 const name = " Daniel  ";
 
-console.log(message);
+const nameLowerCase = name.toLowerCase();
+
+console.log(nameLowerCase);
diff --git a/exercises/G-numbers/exercise.js b/exercises/G-numbers/exercise.js
@@ -1 +1,7 @@
 // Start by creating a variables `numberOfStudents` and `numberOfMentors`
+ let numberOfStudents = 15;
+ let numberOfMentors = 8;
+
+ let totalOfPeople = numberOfStudents + numberOfMentors;
+
+console.log(totalOfPeople);
diff --git a/exercises/I-floats/exercise.js b/exercises/I-floats/exercise.js
@@ -1,2 +1,14 @@
 var numberOfStudents = 15;
 var numberOfMentors = 8;
+var total = numberOfMentors + numberOfStudents;
+console.log(total);
+
+var percentageOfStudents = numberOfStudents * 100 / total;
+var roundOfStudent = Math.round(percentageOfStudents);
+console.log(roundOfStudent+"%");
+
+var percentageOfMentors = numberOfMentors * 100 / total;
+var roundOfMentors = Math.round(percentageOfMentors);
+console.log(roundOfMentors+"%");
+
+
diff --git a/exercises/J-functions/exercise.js b/exercises/J-functions/exercise.js
@@ -1,5 +1,6 @@
 function halve(number) {
   // complete the function here
+  return number * 3;
 }
 
 var result = halve(12);

diff --git a/exercises/J-functions/exercise2.js b/exercises/J-functions/exercise2.js
@@ -1,7 +1,10 @@
 function triple(number) {
   // complete function here
+  return number / 2;
 }
 
 var result = triple(12);
+result = triple(20);
+result = triple(100);
 
 console.log(result);
diff --git a/exercises/K-functions-parameters/exercise.js b/exercises/K-functions-parameters/exercise.js
@@ -1,8 +1,10 @@
 // Complete the function so that it takes input parameters
-function multiply() {
+function multiply(num1, num2) {
   // Calculate the result of the function and return it
+  return num1 * num2;
 }
 
+
 // Assign the result of calling the function the variable `result`
 var result = multiply(3, 4);
 

diff --git a/exercises/K-functions-parameters/exercise2.js b/exercises/K-functions-parameters/exercise2.js
@@ -1,4 +1,7 @@
 // Declare your function first
+function divide(num1, num2) {
+    return num1 / num2;
+}
 
 var result = divide(3, 4);
 

diff --git a/exercises/K-functions-parameters/exercise3.js b/exercises/K-functions-parameters/exercise3.js
@@ -1,5 +1,8 @@
 // Write your function here
+function createGreeting(name) {
+    return name;
+}
 
 var greeting = createGreeting("Daniel");
 
-console.log(greeting);
+console.log("Hello, my name us " + " " + greeting);
diff --git a/exercises/K-functions-parameters/exercise4.js b/exercises/K-functions-parameters/exercise4.js
@@ -1,5 +1,9 @@
 // Declare your function first
+function numbers(num1, num2) {
+    return num1 + num2 ;
+}
 
 // Call the function and assign to a variable `sum`
+var sum = numbers(13 , 124);
 
 console.log(sum);
diff --git a/exercises/K-functions-parameters/exercise5.js b/exercises/K-functions-parameters/exercise5.js
@@ -1,4 +1,7 @@
 // Declare your function here
+function createLongGreeting(name, age) {
+    return `Hello, my name is ${name} `+ `and I'm ${age} years old`;
+}
 
 const greeting = createLongGreeting("Daniel", 30);
 

diff --git a/exercises/L-functions-nested/exercise.js b/exercises/L-functions-nested/exercise.js
@@ -3,3 +3,17 @@ var mentor2 = "Irina";
 var mentor3 = "Mimi";
 var mentor4 = "Rob";
 var mentor5 = "Yohannes";
+
+function uppercaseName(mentor) {
+    return mentor.toUpperCase();
+}
+
+function greeting(mentor){
+    return `Hello ${uppercaseName(mentor)}`;
+}
+
+console.log(greeting(mentor1));
+console.log(greeting(mentor2));
+console.log(greeting(mentor3));
+console.log(greeting(mentor4));
+console.log(greeting(mentor5));
diff --git a/extra/1-currency-conversion.js b/extra/1-currency-conversion.js
@@ -5,7 +5,10 @@
   Write a function that converts a price to USD (exchange rate is 1.4 $ to £)
 */
 
-function convertToUSD() {}
+function convertToUSD(price) {
+  return price * 1.4;
+}
+
 
 /*
   CURRENCY CONVERSION
@@ -15,7 +18,11 @@ function convertToUSD() {}
   They have also decided that they should add a 1% fee to all foreign transactions, which means you only convert 99% of the £ to BRL.
 */
 
-function convertToBRL() {}
+function convertToBRL(price) {
+  let tax = price * 99 * 5.7;
+  return tax.toFixed(2);
+}
+console.log(convertToBRL(£30));
 
 /* ======= TESTS - DO NOT MODIFY ===== 
 There are some Tests in this file that will help you work out if your code is working.

diff --git a/mandatory/1-syntax-errors.js b/mandatory/1-syntax-errors.js
@@ -1,16 +1,17 @@
 // There are syntax errors in this code - can you fix it to pass the tests?
 
-function addNumbers(a b c) {
+function addNumbers(a, b, c) {
   return a + b + c;
 }
 
-function introduceMe(name, age)
-  return "Hello, my name is " + name "and I am " age + "years old";
+function introduceMe(name, age) {
+  return "Hello, my name is " + name + "and I am " + age + "years old";
+}
 
 function getTotal(a, b) {
-  total = a ++ b;
+  let total = a + b;
 
-  return "The total is total";
+  return `The total is ${total}`;
 }
 
 /* 
@@ -30,7 +31,7 @@ test("addNumbers adds numbers correctly", () => {
 });
 
 test("introduceMe function returns the correct string", () => {
-  expect(introduceMe("Sonjide", 27)).toEqual(
+  expect(introduceMe("Sonjide ", 27 + " ")).toEqual(
     "Hello, my name is Sonjide and I am 27 years old"
   );
 });

diff --git a/mandatory/2-logic-error.js b/mandatory/2-logic-error.js
@@ -1,16 +1,15 @@
 // The syntax for this function is valid but it has an error, find it and fix it.
 
 function trimWord(word) {
-  return wordtrim();
+  return word.trim();
 }
 
 function getStringLength(word) {
-  return "word".length();
+  return word.length;
 }
 
 function multiply(a, b, c) {
-  a * b * c;
-  return;
+  return a * b * c;
 }
 
 /* 

diff --git a/mandatory/3-function-output.js b/mandatory/3-function-output.js
@@ -9,6 +9,9 @@ function combine2Words(word1, word2) {
 }
 
 function concatenate(firstWord, secondWord, thirdWord) {
+  let result = firstWord.concat(" " + secondWord + " " + thirdWord);
+  return result;
+
   // Write the body of this function to concatenate three words together.
   // Look at the test case below to understand what this function is expected to return.
 }

diff --git a/mandatory/4-tax.js b/mandatory/4-tax.js
@@ -5,7 +5,10 @@
   Sales tax is 20% of the price of the product.
 */
 
-function calculateSalesTax() {}
+function calculateSalesTax(price) {
+  let tax = price + (price * 20) / 100;
+  return tax;
+}
 
 /*
   CURRENCY FORMATTING
@@ -17,7 +20,9 @@ function calculateSalesTax() {}
   Remember that the prices must include the sales tax (hint: you already wrote a function for this!)
 */
 
-function addTaxAndFormatCurrency() {}
+function addTaxAndFormatCurrency(price) {
+  return "£" + calculateSalesTax(price).toFixed(2);
+}
 
 /* 
 ===================================================