Manchester nw5-manchester-Mamadou Barry-JavaScript-core-1-coursework-week1

exercises/A-setup-ide/README.md

@@ -1,3 +1,5 @@
+
+
 There are some tools that will help you to write code. One of these, [Prettier](https://prettier.io/), formats your code, making it easier for you and others to read.
 
 ### 1. Install prettier

exercises/B-hello-world/exercise.js

@@ -1 +1,2 @@
-console.log("Hello world");
+
+console.log("Hello world. I just started learning JavaScrip! course 1");

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);

exercises/D-strings/exercise.js

@@ -1,3 +1,5 @@
 // Start by creating a variable `message`
-
+var message = "Best way to learn JavaScript fast";
+var typeOfmessage = typeof message;
 console.log(message);
+console.log(typeOfmessage);

exercises/E-strings-concatenation/exercise.js

@@ -1,3 +1,5 @@
 // Start by creating a variable `message`
-
+var greetingStart = "Good afternoon my name is Mr "
+var name = "Barry";
+let message = greetingStart + name;
 console.log(message);

exercises/F-strings-methods/exercise.js

@@ -1,3 +1,4 @@
 // Start by creating a variable `message`
-
-console.log(message);
+var name = "Barry";
+var nameLength = name.length;
+console.log("My name is " + name + " and my name is " + nameLength + " charactere long");

exercises/F-strings-methods/exercise2.js

@@ -1,3 +1,6 @@
-const name = " Daniel  ";
+const fullName = " Mamadou Dian Barry  ";
+ trimName = fullName.trim();
+var fullNameLength = trimName.length;
+var message = "My full Name is " + fullName + " and is has " + fullNameLength + " Charactere";
 
 console.log(message);

exercises/G-numbers/exercise.js

@@ -1 +1,7 @@
 // Start by creating a variables `numberOfStudents` and `numberOfMentors`
+var numberOfStudents = 15;
+var numberOfMentors = 8;
+var numberOfParticipants = numberOfStudents + numberOfMentors;
+console.log("number of student :" +numberOfStudents);
+console.log("Number of Mentors :" +numberOfMentors );
+console.log("Total number of students and mentors:" + numberOfParticipants);

exercises/I-floats/exercise.js

@@ -1,2 +1,6 @@
 var numberOfStudents = 15;
 var numberOfMentors = 8;
+var parcentageOfStudents = Math.round((numberOfStudents*100)/23);
+var parcentageOfMentors = Math.round((numberOfMentors*100)/23);
+console.log("Percentage students: " +parcentageOfStudents + "%");
+console.log("Percentage Mentors: " +parcentageOfMentors + "%");

exercises/J-functions/exercise.js

@@ -1,5 +1,6 @@
 function halve(number) {
   // complete the function here
+  return number/2;
 }
 
 var result = halve(12);

exercises/J-functions/exercise2.js

@@ -1,5 +1,6 @@
 function triple(number) {
   // complete function here
+  return number*3;
 }
 
 var result = triple(12);

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`

exercises/K-functions-parameters/exercise2.js

@@ -1,4 +1,8 @@
 // Declare your function first
+function divide(num1, num2){
+    return num1/num2;
+}
+
 
 var result = divide(3, 4);
 

exercises/K-functions-parameters/exercise3.js

@@ -1,4 +1,8 @@
 // Write your function here
+function createGreeting(name){
+    return "Hello, my name is " + name;
+}
+
 
 var greeting = createGreeting("Daniel");
 

exercises/K-functions-parameters/exercise4.js

@@ -1,5 +1,8 @@
 // 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);

exercises/K-functions-parameters/exercise5.js

@@ -1,4 +1,8 @@
 // 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);
 

exercises/L-functions-nested/exercise.js

@@ -3,3 +3,15 @@ var mentor2 = "Irina";
 var mentor3 = "Mimi";
 var mentor4 = "Rob";
 var mentor5 = "Yohannes";
+function upperCase(greeting, name)
+{
+    let message = greeting.toUpperCase() + name.toUpperCase();
+    return message;
+
+}
+var greet = "Hello ";
+console.log(upperCase( greet, mentor1));
+console.log(upperCase( greet, mentor2));
+console.log(upperCase( greet, mentor3));
+console.log(upperCase( greet, mentor4));
+console.log(upperCase( greet, mentor5));

mandatory/1-syntax-errors.js

@@ -1,16 +1,16 @@
 // 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 "+ total;
 }
 
 /* 

mandatory/2-logic-error.js

@@ -1,16 +1,16 @@
 // 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;
+
 }
 
 /* 

mandatory/3-function-output.js

@@ -2,13 +2,14 @@
 function getRandomNumber() {
   return Math.random() * 10;
 }
-
+// This function will get random number and multiply it by 10. 
 // Add comments to explain what this function does. You're meant to use Google!
 function combine2Words(word1, word2) {
   return word1.concat(word2);
 }
-
+// This function will get two words and combined together to have one word.
 function concatenate(firstWord, secondWord, thirdWord) {
+  return 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.
 }

mandatory/4-tax.js

@@ -5,7 +5,9 @@
   Sales tax is 20% of the price of the product.
 */
 
-function calculateSalesTax() {}
+function calculateSalesTax(priceOfproduct) {
+  return priceOfproduct + priceOfproduct*0.2;
+}
 
 /*
   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(priceOfproduct) {
+  let total = priceOfproduct + priceOfproduct*0.2;
+  return "£" + total.toFixed(2);
+}
 
 /* 
 ===================================================