CodeYourFuture · AndrianaOS · Nov 21, 2022 · Nov 21, 2022 · Nov 21, 2022 · Nov 21, 2022
diff --git a/.DS_Store b/.DS_Store
diff --git a/.vscode/settings.json b/.vscode/settings.json
@@ -0,0 +1,3 @@
+{
+  "cSpell.words": ["Andi", "Andriana"]
+}
diff --git a/exercises/B-hello-world/exercise.js b/exercises/B-hello-world/exercise.js
@@ -1 +1,7 @@
 console.log("Hello world");
+console.log("Hello World. I just started learning JavaScript!");
+
+//npm test -- --testPathPattern mandatory/1-syntax-errors.js -> run single test
+
+console.log(3);
+console.log(Hello);
diff --git a/exercises/C-variables/exercise.js b/exercises/C-variables/exercise.js
@@ -1,3 +1,6 @@
 // Start by creating a variable `greeting`
+let 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 +1,8 @@
 // Start by creating a variable `message`
-
+const message = "Hello World. This is a string";
 console.log(message);
+console.log(typeof message);
+
+const pounds = 5;
+console.log(pounds);
+console.log(typeof pounds);
diff --git a/exercises/E-strings-concatenation/exercise.js b/exercises/E-strings-concatenation/exercise.js
@@ -1,3 +1,8 @@
 // Start by creating a variable `message`
+let greetingStart = "Hello, my name is ";
+let name = "Andriana";
+name = "Andi";
+
+const message = greetingStart + name;
 
 console.log(message);
diff --git a/exercises/F-strings-methods/exercise.js b/exercises/F-strings-methods/exercise.js
@@ -1,3 +1,15 @@
 // Start by creating a variable `message`
+let name = "Andriana";
+const nameLength = name.length;
+
+console.log(name);
+console.log(nameLength);
+
+let nameLowerCase = name.toLowerCase();
+
+console.log(nameLowerCase);
+
+const message = `  My name is ${name} and my name is ${nameLength} characters long.  `;
 
 console.log(message);
+console.log(message.trim());
diff --git a/exercises/F-strings-methods/exercise2.js b/exercises/F-strings-methods/exercise2.js
@@ -1,3 +1,7 @@
 const name = " Daniel  ";
+const nameLength = name.length;
+
+const message = `  My name is ${name} and my name is ${nameLength} characters long.  `;
 
 console.log(message);
+console.log(message.trim());
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;
+
+const total = numberOfMentors + numberOfStudents;
+
+console.log(total);
diff --git a/exercises/I-floats/exercise.js b/exercises/I-floats/exercise.js
@@ -1,2 +1,16 @@
 var numberOfStudents = 15;
 var numberOfMentors = 8;
+
+const totalNumber = numberOfMentors + numberOfStudents;
+
+let percentageStudents = (numberOfStudents / totalNumber) * 100;
+const roughPercentageStudents = Math.round(percentageStudents);
+
+console.log(percentageStudents);
+console.log(roughPercentageStudents);
+
+let percentageMentors = (numberOfMentors / totalNumber) * 100;
+const roughPercentageMentors = Math.round(percentageMentors);
+
+console.log(percentageMentors);
+console.log(roughPercentageMentors);
diff --git a/exercises/J-functions/exercise.js b/exercises/J-functions/exercise.js
@@ -1,7 +1,19 @@
 function halve(number) {
-  // complete the function here
+  return number / 2;
 }
 
 var result = halve(12);
 
 console.log(result);
+
+result = halve(10);
+
+console.log(result);
+
+result = halve(8);
+
+console.log(result);
+
+result = halve(6);
+
+console.log(result);
diff --git a/exercises/J-functions/exercise2.js b/exercises/J-functions/exercise2.js
@@ -1,7 +1,19 @@
 function triple(number) {
-  // complete function here
+  return number * 3;
 }
 
 var result = triple(12);
 
 console.log(result);
+
+result = triple(10);
+
+console.log(result);
+
+result = triple(8);
+
+console.log(result);
+
+result = triple(6);
+
+console.log(result);
diff --git a/exercises/K-functions-parameters/exercise.js b/exercises/K-functions-parameters/exercise.js
@@ -1,9 +1,17 @@
 // 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`
 var result = multiply(3, 4);
 
 console.log(result);
+
+result = multiply(2, 2);
+
+console.log(result);
+
+result = multiply(10, 10);
+
+console.log(result);
diff --git a/exercises/K-functions-parameters/exercise2.js b/exercises/K-functions-parameters/exercise2.js
@@ -1,5 +1,19 @@
-// Declare your function first
+function divide(a, b) {
+  return a / b;
+}
 
 var result = divide(3, 4);
 
 console.log(result);
+
+result = divide(10, 2);
+
+console.log(result);
+
+result = divide(72, 3);
+
+console.log(result);
+
+result = divide(1, 2);
+
+console.log(result);
diff --git a/exercises/K-functions-parameters/exercise3.js b/exercises/K-functions-parameters/exercise3.js
@@ -1,5 +1,19 @@
-// Write your function here
+function createGreeting(name) {
+  return (message = `Hello, my name is ${name}`);
+}
 
 var greeting = createGreeting("Daniel");
 
 console.log(greeting);
+
+greeting = createGreeting("Day");
+
+console.log(greeting);
+
+greeting = createGreeting("Lewis");
+
+console.log(greeting);
+
+greeting = createGreeting("Junior");
+
+console.log(greeting);
diff --git a/exercises/K-functions-parameters/exercise4.js b/exercises/K-functions-parameters/exercise4.js
@@ -1,5 +1,7 @@
-// Declare your function first
+function add(a, b) {
+  return a + b;
+}
 
-// Call the function and assign to a variable `sum`
+let sum = add(13, 124);
 
 console.log(sum);
diff --git a/exercises/K-functions-parameters/exercise5.js b/exercises/K-functions-parameters/exercise5.js
@@ -1,4 +1,6 @@
-// Declare your function here
+function createLongGreeting(name, age) {
+  return (message = `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 +3,25 @@ var mentor2 = "Irina";
 var mentor3 = "Mimi";
 var mentor4 = "Rob";
 var mentor5 = "Yohannes";
+
+// ```js
+// var name = "Daniel";
+// var nameLowerCase = name.toLowerCase();
+
+// console.log(nameLowerCase); // "daniel"
+// ```;
+
+function nameUpperCase(name) {
+  return name.toUpperCase();
+}
+
+function shoutyGreeting(name) {
+  let upperCaseName = nameUpperCase(name);
+  return `HELLO ${upperCaseName}`;
+}
+
+console.log(shoutyGreeting(mentor1));
+console.log(shoutyGreeting(mentor2));
+console.log(shoutyGreeting(mentor3));
+console.log(shoutyGreeting(mentor4));
+console.log(shoutyGreeting(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) {
+  let convertGbpToUsd = price * 1.4;
+  return convertGbpToUsd;
+}
 
 /*
   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(price) {
+  let convertGbpToBrl = (price * 0.99 * 5.7).toFixed(2);
+  return Number(convertGbpToBrl);
+}
 
 /* ======= 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 +16,26 @@
   the final result to the variable goodCode
 */
 
-function add() {
-
+function add(num1, num2) {
+  return num1 + num2;
 }
 
-function multiply() {
-
+function multiply(number1, number2) {
+  return number1 * number2;
 }
 
-function format() {
-
+function format(price) {
+  return `£${price}`;
 }
 
 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)); //This formula for this variable is too complicated and long to read or figure out.
 
 /* BETTER PRACTICE */
 
-let goodCode =
+let goodCode = format((startingValue + 10) * 2);
 
 /* ======= TESTS - DO NOT MODIFY ===== 
 There are some Tests in this file that will help you work out if your code is working.