CodeYourFuture · tenzyns · Aug 8, 2021 · Aug 8, 2021 · Aug 8, 2021 · Aug 8, 2021
diff --git a/exercises/B-hello-world/exercise.js b/exercises/B-hello-world/exercise.js
@@ -1 +1,5 @@
 console.log("Hello world");
+console.log("Hello world, I just started learning javascript!")
+console.log("Tashi Delek!")
+console.log(2938);
+
diff --git a/exercises/C-variables/exercise.js b/exercises/C-variables/exercise.js
@@ -1,3 +1,5 @@
 // Start by creating a variable `greeting`
-
+let greeting = "Tashi Delek!"
+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 +1,5 @@
 // Start by creating a variable `message`
-
+let message = "Save the planet earth!"
 console.log(message);
+let messageType = typeof message;
+console.log(messageType);
diff --git a/exercises/E-strings-concatenation/exercise.js b/exercises/E-strings-concatenation/exercise.js
@@ -1,3 +1,5 @@
 // Start by creating a variable `message`
-
-console.log(message);
+let message = "Hello my name is ";
+let myName = "Tenzynski";
+let greeting = message + myName;
+console.log(greeting);
diff --git a/exercises/F-strings-methods/exercise.js b/exercises/F-strings-methods/exercise.js
@@ -1,3 +1,5 @@
 // Start by creating a variable `message`
-
+let myName = "Tenzynski";
+let nameLength = myName.length;
+let message = `My name is ${myName} 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 +1,5 @@
-const name = " Daniel  ";
-
+const myName = " Daniel  ";
+const nameTrim = myName.trim();
+const nameLength = nameTrim.length;
+const message = `My name is ${nameTrim} and my name is ${nameLength} characters long.`;
 console.log(message);
diff --git a/exercises/G-numbers/exercise.js b/exercises/G-numbers/exercise.js
@@ -1 +1,5 @@
 // Start by creating a variables `numberOfStudents` and `numberOfMentors`
+let numberOfStudents = 13;
+let numberOfMentors = 8;
+totalNum = numberOfMentors + numberOfStudents;
+console.log(`The total number of students and mentors is ${totalNum}.`)
diff --git a/exercises/I-floats/exercise.js b/exercises/I-floats/exercise.js
@@ -1,2 +1,6 @@
 var numberOfStudents = 15;
 var numberOfMentors = 8;
+percentageStudent = Math.round(numberOfStudents *100/(numberOfStudents + numberOfMentors));
+percentageMentor =  Math.round(numberOfMentors*100/(numberOfMentors + numberOfStudents));
+console.log(`Percentage of students: ${percentageStudent}%`);
+console.log(`Percentage of mentors: ${percentageMentor}%`);
diff --git a/exercises/J-functions/exercise.js b/exercises/J-functions/exercise.js
@@ -1,7 +1,11 @@
 function halve(number) {
   // complete the function here
+  return number/2;
 }
 
 var result = halve(12);
-
+let answer = halve(34);
+let output = halve(98);
 console.log(result);
+console.log(answer);
+console.log(output);
diff --git a/exercises/J-functions/exercise2.js b/exercises/J-functions/exercise2.js
@@ -1,7 +1,9 @@
 function triple(number) {
   // complete function here
+  return number * 3;
 }
 
 var result = triple(12);
-
+let answer = triple(49);
 console.log(result);
+console.log(answer);
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, numb2){
+    return num1 / numb2;
+}
 
 var result = divide(3, 4);
 

diff --git a/exercises/K-functions-parameters/exercise3.js b/exercises/K-functions-parameters/exercise3.js
@@ -1,5 +1,7 @@
 // Write your function here
-
+function createGreeting(yourName){
+    return `Hello, my name is ${yourName}. How are you?`
+}
 var greeting = createGreeting("Daniel");
 
 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 addTwoNum(num1, num2){
+    return num1 + num2;
+}
 // Call the function and assign to a variable `sum`
-
+let sum = addTwoNum(13, 124);
 console.log(sum);
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(myName, age){
+    return `Hello! my name is ${myName} and I am ${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
@@ -3,3 +3,16 @@ var mentor2 = "Irina";
 var mentor3 = "Mimi";
 var mentor4 = "Rob";
 var mentor5 = "Yohannes";
+
+function getUpperCase(yourName){
+    return yourName.toUpperCase();
+}
+
+function shoutyGreeting(yourName){
+    return `HELLO ${getUpperCase(yourName)}`;
+}
+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 +5,9 @@
   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 +17,10 @@ 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(cost) {
+  let real = 0.99 * cost * 5.7;
+  return +(Math.round(real + "e+2")  + "e-2");
+}
 
 /* ======= 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 +16,34 @@
   the final result to the variable goodCode
 */
 
-function add() {
+function add(startingValue, lastValue) {
+  return startingValue + lastValue;
 
 }
 
-function multiply() {
+function multiply(startingValue, lastValue) {
+  return startingValue * lastValue;
 
 }
 
-function format() {
+function format(startingValue) {
+  return `£${startingValue}`;
 
 }
 
 const startingValue = 2;
-
+const lastValue = 10;
+add(2, 10); multiply(add(2, 10), 2); format(multiply(add(2, 10), 2));
 // Why can this code be seen as bad practice? Comment your answer.
-let badCode =
+// These codes are not properly indented and each statement needs to be on a separate line
+let badCode = format(multiply(add(2, 10), 2));
 
 /* BETTER PRACTICE */
-
-let goodCode =
+// each statement of codes should be on a separate line and neatly indented.
+  add(2, 10);
+  multiply(add(2, 10), 2);
+  format(multiply(add(2, 10), 2));
+let goodCode = format(multiply(add(2, 10), 2));
 
 /* ======= 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/3-magic-8-ball.js b/extra/3-magic-8-ball.js
@@ -45,8 +45,19 @@
 
 // This should log "The ball has shaken!"
 // and return the answer.
+const magicAnswers = ["It is certain.", "It is decidedly so.", 
+    "Without a doubt.", "Yes - definitely", "You may rely on it.", 
+    "As I see it, yes.", "Most likely.", "Outlook good.", "Yes.", "Signs point to yes.",
+    "Reply hazy, try again.", "Ask again later.", "Better not tell you now.", 
+    "Cannot predict now.", "Concentrate and ask again.", 
+    "Don't count on us.", "My reply is no.", "My sources say no.", 
+    "Outlook not so good.", "Very doubtful." ];
 function shakeBall() {
   //Write your code in here
+  let index = Math.floor(Math.random() * magicAnswers.length)
+  let response = magicAnswers[index];
+  console.log("The ball has shaken!");
+  return response;
 }
 
 /* 
@@ -60,6 +71,18 @@ function shakeBall() {
 */
 function checkAnswer(answer) {
   //Write your code in here
+  let i = magicAnswers.indexOf(answer);
+  if (i <= 4) {
+    return "very positive";
+  }
+  if (i < 10) {
+    return "positive";
+  }
+  if (i < 15){
+    return "negative";
+  }
+    return "very negative";
+
 }
 
 /* 

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;
+  total = a + b;
 
-  return "The total is total";
+  return "The total is " + total;
 }
 
 /* 

diff --git a/mandatory/2-logic-error.js b/mandatory/2-logic-error.js
@@ -1,16 +1,17 @@
 // 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();
+  var num =  word.length;
+  return num;
 }
 
 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 +1,19 @@
 // Add comments to explain what this function does. You're meant to use Google!
+// this function generates a random number between 0 and 9 including floating numbers.
 function getRandomNumber() {
   return Math.random() * 10;
 }
 
 // Add comments to explain what this function does. You're meant to use Google!
+//this function outputs the strings word1 and word2 concatenated 
 function combine2Words(word1, word2) {
   return word1.concat(word2);
 }
 
 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
@@ -4,8 +4,11 @@
   A business requires a program that calculates how much the price of a product is including sales tax
   Sales tax is 20% of the price of the product.
 */
+var price;
 
-function calculateSalesTax() {}
+function calculateSalesTax(price) {
+return 1.20 * price;
+}
 
 /*
   CURRENCY FORMATTING
@@ -17,7 +20,11 @@ function calculateSalesTax() {}
   Remember that the prices must include the sales tax (hint: you already wrote a function for this!)
 */
 
-function addTaxAndFormatCurrency() {}
+function addTaxAndFormatCurrency(price) {
+  netPrice = calculateSalesTax(price).toFixed(2);
+  return `£${netPrice}`;
+
+}
 
 /* 
 ===================================================