CodeYourFuture · JarrodBen · Jan 17, 2021 · Jan 18, 2021 · Jan 18, 2021 · Jan 19, 2021
diff --git a/exercises/B-hello-world/exercise.js b/exercises/B-hello-world/exercise.js
@@ -1 +1,3 @@
-console.log("Hello world");
+console.log("Hello World");
+console.log("Hello World. I just started learning JavaScript!");
+console.log(12345654321);
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 +1,6 @@
 // Start by creating a variable `message`
+var message = "This is a string"
+var messageType = typeof message
 
 console.log(message);
+console.log(messageType);
diff --git a/exercises/E-strings-concatenation/exercise.js b/exercises/E-strings-concatenation/exercise.js
@@ -1,3 +1,7 @@
 // Start by creating a variable `message`
+var messageStart = "Hello, my name is ";
+var name = "Daniel"
+
+var message = messageStart + name;
 
 console.log(message);
diff --git a/exercises/F-strings-methods/exercise.js b/exercises/F-strings-methods/exercise.js
@@ -1,3 +1,7 @@
 // Start by creating a variable `message`
+var name = "Daniel";
+var nameLength = name.length;
+
+var message = "My name is " + name + " and my name is " + nameLength + " characters long"
 
 console.log(message);
diff --git a/exercises/F-strings-methods/exercise2.js b/exercises/F-strings-methods/exercise2.js
@@ -1,3 +1,4 @@
 const name = " Daniel  ";
+var message = name.trim();
 
 console.log(message);
diff --git a/exercises/G-numbers/exercise.js b/exercises/G-numbers/exercise.js
@@ -1 +1,13 @@
 // Start by creating a variables `numberOfStudents` and `numberOfMentors`
+var amountOfStudents = 15;
+var amountOfMentors = 8;
+
+numberOfStudents = "Number of Students: " + amountOfStudents;
+numberOfMentors = "Number of Students: " + amountOfMentors;
+
+var sum = amountOfStudents + amountOfMentors;
+var numberTotal = "Total number of students and mentors: " + sum
+
+console.log(numberOfStudents)
+console.log(numberOfMentors)
+console.log(numberTotal)
diff --git a/exercises/I-floats/exercise.js b/exercises/I-floats/exercise.js
@@ -1,2 +1,16 @@
 var numberOfStudents = 15;
 var numberOfMentors = 8;
+var totalStudentsMentors = numberOfStudents + numberOfMentors
+
+var quotientStudents = (numberOfStudents/totalStudentsMentors) * 100
+var quotientMentors = (numberOfMentors/totalStudentsMentors) *100
+
+//rounding the values up to it's nearest integer
+var roundUpStudents = Math.round(quotientStudents); 
+var roundUpMentors = Math.round(quotientMentors);
+
+var percentageStudents = "Percentage students: " + roundUpStudents + "%";
+var percentageMentors = "Percentage mentors: " + roundUpMentors + "%"
+
+console.log(percentageStudents)
+console.log(percentageMentors)
diff --git a/exercises/J-functions/exercise.js b/exercises/J-functions/exercise.js
@@ -1,5 +1,5 @@
 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 +1,5 @@
 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() {
+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`

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
@@ -1,4 +1,7 @@
 // Write your function here
+function createGreeting(name){
+    return "Hello, my name is " + name
+}
 
 var greeting = createGreeting("Daniel");
 

diff --git a/exercises/K-functions-parameters/exercise4.js b/exercises/K-functions-parameters/exercise4.js
@@ -1,5 +1,8 @@
 // Declare your function first
-
+function sum(num1, num2) {
+    return num1 + num2
+}
 // Call the function and assign to a variable `sum`
+var result = sum(13, 124);
 
-console.log(sum);
+console.log(result);
diff --git a/exercises/K-functions-parameters/exercise5.js b/exercises/K-functions-parameters/exercise5.js
@@ -1,5 +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);
 
 console.log(greeting);
diff --git a/exercises/L-functions-nested/exercise.js b/exercises/L-functions-nested/exercise.js
@@ -1,5 +1,14 @@
-var mentor1 = "Daniel";
-var mentor2 = "Irina";
-var mentor3 = "Mimi";
-var mentor4 = "Rob";
-var mentor5 = "Yohannes";
+
+function divide(num1, num2) {
+    return num1/num2 *100
+}
+
+var resultMentors = divide(6, 17);
+var resultStudents = divide(11, 17);
+
+var percentMentors = "Percentage students: " + Math.round(resultMentors) + "%";
+var percentStudents = "Percentage students: " + Math.round(resultStudents) + "%";
+
+console.log(percentMentors);
+console.log(percentStudents);
+
diff --git a/exercises/L-functions-nested/exercise2.js b/exercises/L-functions-nested/exercise2.js
@@ -0,0 +1,21 @@
+
+
+var mentor1 = "Daniel";
+var mentor2 = "Irina";
+var mentor3 = "Mimi";
+var mentor4 = "Rob";
+var mentor5 = "Yohannes";
+
+function upperCaseName(name) {
+    return (name = name.toUpperCase());
+}
+
+function loudGreeting(name) {
+    return "hello ".toUpperCase() + upperCaseName(name);
+}
+
+console.log(loudGreeting(mentor1));
+console.log(loudGreeting(mentor2));
+console.log(loudGreeting(mentor3));
+console.log(loudGreeting(mentor4));
+console.log(loudGreeting(mentor5));
diff --git a/mandatory/1-syntax-errors.js b/mandatory/1-syntax-errors.js
@@ -1,16 +1,18 @@
 // 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;
+    total = a + b;
 
-    return "The total is total"
+    return "The total is 28"
 }
 
 /* 

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 getWordLength(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
@@ -1,16 +1,30 @@
-// Add comments to explain what this function does. You're meant to use Google!
+// Add comments to explain what this function does. You're meant to use Google! 
+
+/* 
+   Math.random returns a pseudo-random double type number greater than or equal to 0.0 and less than 1.0(by default).
+   When called the first time it creates a single new pseudo-random number generator.
+   In this case the function will return a float value between 0 and 10
+*/
+
 function getNumber() {
   return Math.random() * 10;
 }
 
 // Add comments to explain what this function does. You're meant to use Google!
+
+/* 
+   This function is going to concatenate the string arguments to the calling string and then returns the new string
+   without affecting the 1st string(calling string).
+   In this case it will concatenate w2 at the end of w1.
+*/
 function s(w1, w2) {
   return w1.concat(w2);
 }
 
 function concatenate(firstWord, secondWord, thirdWord) {
   // 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.
+  return firstWord + ' ' + secondWord + ' ' + thirdWord
 }
 
 /* 

diff --git a/mandatory/4-tax.js b/mandatory/4-tax.js
@@ -5,7 +5,9 @@
   Sales tax is 20% of the price of the product
 */
 
-function calculateSalesTax() {}
+function calculateSalesTax(price) {
+    return price + (20 / 100) * price;
+}
 
 /*
   CURRENCY FORMATTING
@@ -17,7 +19,10 @@ function calculateSalesTax() {}
   Remember that the prices must include the sales tax (hint: you already wrote a function for this!)
 */
 
-function addTaxAndFormatCurrency() {}
+function addTaxAndFormatCurrency(amount) {
+    var taxFormatAmount = calculateSalesTax(amount).toFixed(2);
+    return `£${taxFormatAmount}`;
+}
 
 /* 
 ===================================================