CodeYourFuture · howard-ss · Nov 22, 2022 · Nov 24, 2022 · Nov 24, 2022 · Nov 29, 2022
diff --git a/exercises/B-hello-world/exercise.js b/exercises/B-hello-world/exercise.js
@@ -1 +1,9 @@
-console.log("Hello world");
+
+let greeting = '1';
+
+//console.log(22);
+console.log(greeting);
+console.log(greeting);
+console.log(greeting);
+//console.log("Hi World!");
+
diff --git a/exercises/C-variables/exercise.js b/exercises/C-variables/exercise.js
@@ -1,3 +1,7 @@
 // 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 +1,7 @@
 // Start by creating a variable `message`
 
+let message = [] ;
+//let messageType = typeof message;
+
 console.log(message);
+console.log(typeof  message);
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`
+//let messageStart = "Hello, my name is ";
+let messageName = "Daniel";
+let message = "Hello, my name is " + messageName
 
 console.log(message);
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`
 
+const name = "Daniel";
+//let messageLength = messageName.length
+
+//let message = "My name is Daniel and my name is " + messageLength + " characters long";
+let message = `My name is ${name} and my name is ${name.length} characters long`; 
+
 console.log(message);
diff --git a/exercises/F-strings-methods/exercise2.js b/exercises/F-strings-methods/exercise2.js
@@ -1,3 +1,10 @@
-const name = " Daniel  ";
+
+const name = "   Johnson  ";
+//const trimName = Name.trim();
+//let nameLength = trimName.length;
+
+//let message = "My name is " + trimName + " and my name is "+ nameLength + " characters long"
+
+let message = `My name is ${name.trim()} and my name is ${(name.trim().length)} characters long`;
 
 console.log(message);
diff --git a/exercises/G-numbers/README.md b/exercises/G-numbers/README.md
@@ -6,7 +6,7 @@ Unlike strings, numbers do not need to be wrapped in quotes.
 var age = 30;
 ```
 
-You can use mathematical operators to caclulate numbers:
+You can use mathematical operators to calculate numbers:
 
 ```js
 var sum = 10 + 2; // 12

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`
+   let numberOfStudents = 15;
+   let numberOfMentors = 10;
+
+   let totalNum = numberOfStudents + numberOfMentors;
+
+   //console.log("Number of students: "+ numberOfStudents);
+   //console.log("Number of mentors: " + numberOfMentors);
+   //console.log("Total number of students and mentors: "+ totalNum);
+
+    console.log(`Number of students: ${numberOfStudents}`);
+    console.log(`Number of mentors: ${numberOfMentors}`);
+    console.log(`Total number of students and mentors: ${totalNum}`);
diff --git a/exercises/I-floats/exercise.js b/exercises/I-floats/exercise.js
@@ -1,2 +1,13 @@
 var numberOfStudents = 15;
 var numberOfMentors = 8;
+
+let totalNum = numberOfStudents + numberOfMentors;
+
+let studentPercentage = (numberOfStudents / totalNum) * 100;
+let mentorPercentage = (numberOfMentors / totalNum) * 100;
+
+console.log(`Percentage students: ${Math.round(studentPercentage)}%`);
+console.log(`Percentage mentors: ${Math.round(mentorPercentage)}%`);
+
+//console.log("Percentage students: "+Math.round(studentPercentage)+"%");
+//console.log("Percentage mentors: " +Math.round(mentorPercentage)+"%");
diff --git a/exercises/J-functions/exercise.js b/exercises/J-functions/exercise.js
@@ -1,7 +1,15 @@
 function halve(number) {
   // complete the function here
+  return number / 2;
 }
 
-var result = halve(12);
+let result = halve(12);
+// let res2 = halve (88);
+// let res3 = halve (100);
 
 console.log(result);
+
+console.log(halve(88));
+console.log(halve(122));
+
+
diff --git a/exercises/J-functions/exercise2.js b/exercises/J-functions/exercise2.js
@@ -1,7 +1,10 @@
 function triple(number) {
   // complete function here
+  return number * 3
 }
 
-var result = triple(12);
+let result = triple(12);
 
 console.log(result);
+
+
diff --git a/exercises/K-functions-parameters/exercise.js b/exercises/K-functions-parameters/exercise.js
@@ -1,9 +1,10 @@
 // Complete the function so that it takes input parameters
-function multiply() {
+function multiply(a,b) {
   // Calculate the result of the function and return it
-}
-
+  return a * b ;
+}  
 // Assign the result of calling the function the variable `result`
-var result = multiply(3, 4);
+let result = multiply(3, 4);
 
 console.log(result);
+
diff --git a/exercises/K-functions-parameters/exercise2.js b/exercises/K-functions-parameters/exercise2.js
@@ -1,5 +1,9 @@
 // Declare your function first
 
-var result = divide(3, 4);
+function divide(a,b) {
+    return a / b;
+}
+let result = divide(3, 4);
 
 console.log(result);
+
diff --git a/exercises/K-functions-parameters/exercise3.js b/exercises/K-functions-parameters/exercise3.js
@@ -1,5 +1,10 @@
 // Write your function here
 
-var greeting = createGreeting("Daniel");
+function createGreeting(name){
+   // return "Hello, my name is " + name;
+   return `Hello, my name is ${name}`;
+}
+let greeting = createGreeting("Daniel");
 
 console.log(greeting);
+
diff --git a/exercises/K-functions-parameters/exercise4.js b/exercises/K-functions-parameters/exercise4.js
@@ -1,5 +1,9 @@
 // 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
@@ -1,5 +1,9 @@
 // Declare your function here
-
+  function createLongGreeting(str,age) {
+    //return "Hello, my name is " + str + " and I'm " + age + " years old";
+    return `Hello, my name is ${str} 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
@@ -3,3 +3,18 @@ var mentor2 = "Irina";
 var mentor3 = "Mimi";
 var mentor4 = "Rob";
 var mentor5 = "Yohannes";
+
+function shoutyGreeting(){
+    console.log("HELLO " + mentor1.toUpperCase());
+    console.log("HELLO " + mentor2.toUpperCase());
+    console.log("HELLO " + mentor3.toUpperCase());
+    console.log("HELLO " + mentor4.toUpperCase());
+    console.log("HELLO " + mentor5.toUpperCase());
+
+}
+
+shoutyGreeting()
+
+
+
+
diff --git a/extra/1-currency-conversion.js b/extra/1-currency-conversion.js
@@ -5,17 +5,26 @@
   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
   ===================
   The business is now breaking into the Brazilian market
-  Write a new function for converting to the Brazilian real (exchange rate is 5.7 BRL to £)
-  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.
+  Write a new function for converting to the Brazilian real (exchange rate is 
+  5.7 BRL to £)
+  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 priceAfterFee = price * 0.99;
+   let priceInBRL = priceAfterFee * 5.7;
+   return Math.round(priceInBRL*100)/100;
+
+  //return Number(((poundmoney * 0.99)* 5.7).toFixed(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
@@ -4,38 +4,41 @@
   1. Write 3 functions:
   - one that adds 2 numbers together
   - one that multiplies 2 numbers together
-  - one that formats a number so it's returned as a string with a £ sign before it (e.g. 20 -> £20)
+  - one that formats a number so it's returned as a string with a £ sign before 
+    it (e.g. 20 -> £20)
 
-  2. Using the variable startingValue as input, perform the following operations using your functions all
-  on one line (assign the result to the variable badCode):
+  2. Using the variable startingValue as input, perform the following operations 
+    using your functions all on one line (assign the result to the variable badCode):
   - add 10 to startingValue
   - multiply the result by 2
   - format it
 
-  3. Write a more readable version of what you wrote in step 2 under the BETTER PRACTICE comment. Assign
-  the final result to the variable goodCode
+  3. Write a more readable version of what you wrote in step 2 under the BETTER 
+     PRACTICE comment. Assign 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;
 }
 
 const startingValue = 2;
 
 // Why can this code be seen as bad practice? Comment your answer.
-let badCode =
+let badCode = format( multiply(2, add(startingValue,10)));
 
 /* BETTER PRACTICE */
+let goodadd  = add(startingValue,10);
+let goodmultiply = multiply(2,goodadd);
 
-let goodCode =
+let goodCode = format(goodmultiply);
 
 /* ======= 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 +45,12 @@
 
 // This should log "The ball has shaken!"
 // and return the answer.
-function shakeBall() {
+function shakeBall(answer) {
   //Write your code in here
+   if ( answer === positive ) {
+
+  console.log("The ball has shaken " + answer );
+   }
 }
 
 /* 
@@ -56,7 +60,8 @@ function shakeBall() {
     - negative
     - very negative
 
-  This function should expect to be called with any value which was returned by the shakeBall function.
+  This function should expect to be called with any value which was returned 
+  by the shakeBall function.
 */
 function checkAnswer(answer) {
   //Write your code in here

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;
-
-  return "The total is total";
+  let 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 +1,16 @@
 // 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;
+
 }
 
 /* 

diff --git a/mandatory/3-function-output.js b/mandatory/3-function-output.js
@@ -1,16 +1,20 @@
 // Add comments to explain what this function does. You're meant to use Google!
 function getRandomNumber() {
   return Math.random() * 10;
+  // Math.random() method returns a random floating-point number between 0.0 and 1.0.
+  // This can be used to generate random number.
 }
 
 // Add comments to explain what this function does. You're meant to use Google!
 function combine2Words(word1, word2) {
   return word1.concat(word2);
+  // .concat() method returns a string containing all the string values in a node-set concatenated together.
 }
 
 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
 }
 
 /*