CodeYourFuture · Monika39-maker · Dec 13, 2021 · Dec 15, 2021 · Dec 15, 2021 · Dec 15, 2021
diff --git a/exercises/C-variables/exercise.js b/exercises/C-variables/exercise.js
@@ -1,3 +1,5 @@
 // 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 +1,11 @@
-// Start by creating a variable `message`
 
-console.log(message);
+// ## Exercise
+
+// - Write a program that logs a message with a greeting and your name
+
+let message = "Merry Christmas!!!"
+
+let myVariableType = "This is a " + typeof message;
+
+
+console.log(myVariableType)
diff --git a/exercises/E-strings-concatenation/exercise.js b/exercises/E-strings-concatenation/exercise.js
@@ -1,3 +1,6 @@
 // Start by creating a variable `message`
+var myName = "Daniel ";
+var message = "Hello, my name is "
 
-console.log(message);
+var greeting = message + myName;
+console.log(greeting);
diff --git a/exercises/F-strings-methods/exercise.js b/exercises/F-strings-methods/exercise.js
@@ -1,3 +1,9 @@
-// Start by creating a variable `message`
+// Exercise 1
 
-console.log(message);
+// - Log a message that includes the length of your name
+
+var myName = "Daniel";
+var lengthOfMyName = myName.length;
+var message = "My name is " + myName + " and my name is " + lengthOfMyName + "character long.";
+
+console.log(message);
diff --git a/exercises/F-strings-methods/exercise2.js b/exercises/F-strings-methods/exercise2.js
@@ -1,3 +1,11 @@
-const name = " Daniel  ";
+// ## Exercise 2
+
+// - Log the same message using the variable, `name` provided
+// - Use the `.trim` method to remove the extra whitespace
+
+const myName = " Daniel  ";
+var lengthOfMyName = myName.length;
+
+var message = "My name is " + myName.trim() + " and my name is " + lengthOfMyName + " character long.";
 
 console.log(message);
diff --git a/exercises/G-numbers/exercise.js b/exercises/G-numbers/exercise.js
@@ -1 +1,19 @@
+// ## Exercise
+
+// - Create two variables `numberOfStudents` and `numberOfMentors`
+// - Log a message that displays the total number of students and mentors
+
+// ## Expected result
+
+// ```
+// Number of students: 15
+// Number of mentors: 8
+// Total numnber of students and mentors: 23
+
 // Start by creating a variables `numberOfStudents` and `numberOfMentors`
+var noOfStudents = 15;
+var noOfMentors = 8;
+var total = noOfStudents + noOfMentors
+var message = "Total number of students and mentors: " + total;
+
+console.log(message)
diff --git a/exercises/I-floats/exercise.js b/exercises/I-floats/exercise.js
@@ -1,2 +1,24 @@
+
+// ## Exercise
+
+// - Using the variables provided in the exercise calculate the percentage of mentors and students in the group
+
+// ## Expected result
+
+
+// Percentage students: 65%
+// Percentage mentors: 35%
+
+
+
+
 var numberOfStudents = 15;
 var numberOfMentors = 8;
+
+var total = numberOfMentors + numberOfStudents;
+
+var studentsPercentage = Math.round((numberOfStudents/total)*100);
+var mentorsPercentage = Math.round((numberOfMentors/total)*100);
+
+console.log("Percentage students: " + studentsPercentage + "%");
+console.log("Percentage mentors: " + mentorsPercentage + "%");
diff --git a/exercises/J-functions/exercise.js b/exercises/J-functions/exercise.js
@@ -1,5 +1,16 @@
+// Exercise
+
+// - Complete the function in exercise.js so that it halves the input
+// - Try calling the function more than once with some different numbers
+
+// > Remember to use the return keyword to get a value out of the function
+
+// Expected result
+// 6
+
+
 function halve(number) {
-  // complete the function here
+  return number/2
 }
 
 var result = halve(12);

diff --git a/exercises/J-functions/exercise2.js b/exercises/J-functions/exercise2.js
@@ -1,5 +1,13 @@
+// Exercise 2
+
+// - Complete the function in exercise2.js so that it triples the input
+
+// ## Expected result
+// 36
+
+
 function triple(number) {
-  // complete function here
+  return number * 3;
 }
 
 var result = triple(12);

diff --git a/exercises/K-functions-parameters/exercise.js b/exercises/K-functions-parameters/exercise.js
@@ -1,6 +1,7 @@
+
 // Complete the function so that it takes input parameters
-function multiply() {
-  // Calculate the result of the function and return it
+function multiply(a, b) {
+  return a * b
 }
 
 // Assign the result of calling the function the variable `result`

diff --git a/exercises/K-functions-parameters/exercise2.js b/exercises/K-functions-parameters/exercise2.js
@@ -1,5 +1,7 @@
 // Declare your function first
-
+function divide(a, b) {
+    return a/b;
+}
 var result = divide(3, 4);
 
 console.log(result);
diff --git a/exercises/K-functions-parameters/exercise3.js b/exercises/K-functions-parameters/exercise3.js
@@ -1,4 +1,7 @@
 // Write your function here
+function createGreeting(yourName) {
+    return "Hello, my name is " + yourName;
+}
 
 var greeting = createGreeting("Daniel");
 

diff --git a/exercises/K-functions-parameters/exercise4.js b/exercises/K-functions-parameters/exercise4.js
@@ -1,5 +1,19 @@
+// Exercise 4
+
+// - Write a function that adds two numbers together
+// - Call the function, passing `13` and `124` as parameters, and assigning the returned value to a variable `sum`
+
+// ## Expected result
+// 137
+
+
 // Declare your function first
+function add(a, b) {
+    return a + b;
+}
+
 
 // Call the function and assign to a variable `sum`
+var sum = add(13, 124)
 
 console.log(sum);
diff --git a/exercises/K-functions-parameters/exercise5.js b/exercises/K-functions-parameters/exercise5.js
@@ -1,5 +1,16 @@
+//Exercise 5
+
+// - Write a function that takes a name (a string) and an age (a number) and returns a greeting (a string)
+// ## Expected result
+// Hello, my name is Daniel and I'm 30 years old
+
 // Declare your function here
 
+function createLongGreeting(userName, userAge) {
+    return `Hello, my name is ${userName} and I'm ${userAge} years old`
+}
+
+
 const greeting = createLongGreeting("Daniel", 30);
 
 console.log(greeting);
diff --git a/exercises/L-functions-nested/exercise.js b/exercises/L-functions-nested/exercise.js
@@ -1,5 +1,46 @@
+// - In `exercise.js` you have been provided with the names of some mentors. Write a program that logs a shouty greeting to each one.
+// - Your program should include a function that spells their name in uppercase, and a function that creates a shouty greeting.
+// - Log each greeting to the console.
+
+// ## Expected result
+
+// ```
+// HELLO DANIEL
+// HELLO IRINA
+// HELLO MIMI
+// HELLO ROB
+// HELLO YOHANNES
+
+
+
+
+function createShoutyMessage(name) {
+    var largeName = makeCapital(name);
+    return "HELLO " + largeName;
+}
+function makeCapital(str) {
+    return str.toUpperCase();
+}
+
+
 var mentor1 = "Daniel";
 var mentor2 = "Irina";
 var mentor3 = "Mimi";
 var mentor4 = "Rob";
 var mentor5 = "Yohannes";
+
+
+
+const greetMentor1 = createShoutyMessage(mentor1);
+const greetMentor2 = createShoutyMessage(mentor2);
+const greetMentor3 = createShoutyMessage(mentor3);
+const greetMentor4 = createShoutyMessage(mentor4);
+const greetMentor5 = createShoutyMessage(mentor5);
+
+console.log(greetMentor1)
+console.log(greetMentor2)
+console.log(greetMentor3)
+console.log(greetMentor4)
+console.log(greetMentor5)
+
+
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(gbp) {
+  var usd = gbp * 1.4
+  return usd
+} 
 
 /*
   CURRENCY CONVERSION
@@ -15,7 +18,10 @@ 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(gbp) {
+  const brlAfterFees = parseFloat(((gbp*0.99)*5.7).toFixed(2));
+  return brlAfterFees;
+}
 
 /* ======= 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/extra/2-piping.js b/extra/2-piping.js
@@ -16,26 +16,37 @@
   the final result to the variable goodCode
 */
 
-function add() {
-
+function add(a, b) {
+  return a + b
 }
 
-function multiply() {
-
+function multiply(a, b) {
+  return a * b
 }
 
-function format() {
-
+function format(a) {
+ return '£' + a.toString()
 }
 
 const startingValue = 2;
 
+
+
 // Why can this code be seen as bad practice? Comment your answer.
-let badCode =
+let badCode = format(multiply((add(startingValue, 10)), 2))
+//Answer : It is bad practice because the function is very difficult for any other programmer to understand. Code should be written such simple format that is simple to read and understand.
 
 /* BETTER PRACTICE */
 
-let goodCode =
+
+  let addedValue = add(startingValue, 10);
+  let multipliedValue = multiply(addedValue, 2);
+  let formattedFinalValue = format(multipliedValue)
+  let goodCode = formattedFinalValue;
+
+
+//Answer: this is goodCode because the code is much simpler to read and understand.
+
 
 /* ======= TESTS - DO NOT MODIFY ===== 
 There are some Tests in this file that will help you work out if your code is working.