WM3-Krishan-Kumar-Class3-Week1

exercises/B-hello-world/exercise.js

@@ -1 +1,5 @@
+console.log(`cd B-hello-world`)
 console.log("Hello world");
+console.log("I started to learn javascript!");
+console.log("Good Afternoon");
+console.log("I am thrilled!");

exercises/C-variables/exercise.js

@@ -1,3 +1,7 @@
 // Start by creating a variable `greeting`
 
 console.log(greeting);
+var greeting = "Hello world";
+console.log(greeting);
+console.log(greeting);
+console.log(greeting);

exercises/D-strings/exercise.js

@@ -1,3 +1,7 @@
 // Start by creating a variable `message`
 
 console.log(message);
+var message = "Hello everyone, welcome to the show!";
+var typeOfMessage = typeof message;
+console.log(message);
+console.log(typeOfMessage);

exercises/E-strings-concatenation/exercise.js

@@ -1,3 +1,6 @@
 // Start by creating a variable `message`
-
+var greeting = "Good Morning ,";
+var yourName = "my name is ";
+var name = "Krrish"
+var message = greeting + yourName;
 console.log(message);

exercises/F-strings-methods/exercise.js

@@ -1,3 +1,12 @@
 // Start by creating a variable `message`
 
 console.log(message);
+var message = "Hello my name is !!";
+var myName = "Krishan Kumar";
+console.log(message + myName.length);
+//My name is Daniel and my name is 6 characters long
+
+console.log(message);
+console.log(
+  "My name is " + myName + " and it's " + myName.length + " character long"
+);

exercises/F-strings-methods/exercise2.js

@@ -1,3 +1,8 @@
 const name = " Daniel  ";
+console.log(message);
+const message =
+  "My name is " + name + " and my name is " + name.length + " characters long";
+console.log(message.trim());
+
 
 console.log(message);

exercises/G-numbers/exercise.js

@@ -1 +1,5 @@
 // Start by creating a variables `numberOfStudents` and `numberOfMentors`
+var numberOfMentors = 15;
+var numberOfStudents = 35;
+var totalNumber = numberOfMentors + numberOfStudents;
+console.log("Total number of students and mentors is : " + totalNumber);

exercises/I-floats/exercise.js

@@ -1,2 +1,9 @@
 var numberOfStudents = 15;
 var numberOfMentors = 8;
+var NumOfTotalPeople = 23;
+
+var percentNum = numberOfStudents*100/NumOfTotalPeople;
+
+console.log("Percentage of mentors " + Math.round(percentNum) + "%");
+var percentNum = numberOfMentors*100/NumOfTotalPeople;
+console.log("Percentage of students " +  Math.round(percentNum) + "%");

exercises/J-functions/exercise.js

@@ -1,7 +1,13 @@
 function halve(number) {
   // complete the function here
+  return number / 2;
 }
 
 var result = halve(12);
+console.log(result);
+
+var result = halve(5);
+console.log(result);
 
+var result = halve(19);
 console.log(result);

exercises/J-functions/exercise2.js

@@ -1,7 +1,7 @@
 function triple(number) {
   // complete function here
+  return number * 3;
 }
 
 var result = triple(12);
-
 console.log(result);

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);
-
 console.log(result);

exercises/K-functions-parameters/exercise2.js

@@ -1,5 +1,9 @@
 // Declare your function first
 
-var result = divide(3, 4);
+function divide(num1, num2) {
+    return num1 / num2;
+  }
+
+  var result = divide(3, 4);
 
 console.log(result);

exercises/K-functions-parameters/exercise3.js

@@ -1,5 +1,9 @@
 // Write your function here
 
+function createGreeting(name) {
+    return "Hello my name is " + name;
+  }
+
 var greeting = createGreeting("Daniel");
 
 console.log(greeting);

exercises/K-functions-parameters/exercise4.js

@@ -1,5 +1,9 @@
 // Declare your function first
+function bigSum(num1, num2) {
+    return num1 + num2;
+  }
 
-// Call the function and assign to a variable `sum`
+  // Call the function and assign to a variable `sum`
 
+var sum = bigSum(13, 124);
 console.log(sum);

exercises/K-functions-parameters/exercise5.js

@@ -1,5 +1,9 @@
 // Declare your function here
 
-const greeting = createLongGreeting("Daniel", 30);
+function createLongGreeting(name, num1) {
+    return "Hello, my name is " + name + " and I'm " + num1 + " years old";
+  }
+
+  const greeting = createLongGreeting("Daniel", 30);
 
 console.log(greeting);

exercises/L-functions-nested/exercise.js

@@ -3,3 +3,25 @@ var mentor2 = "Irina";
 var mentor3 = "Mimi";
 var mentor4 = "Rob";
 var mentor5 = "Yohannes";
+
+//function to spelling name in uppercase
+
+function greeting(message) {
+  return message.toUpperCase();
+}
+var greet_message = greeting("hello");
+
+function getMentorName(name) {
+  return name.toUpperCase();
+}
+
+var mentor1 = getMentorName("Daniel");
+console.log(greet_message + " " + mentor1);
+var mentor2 = getMentorName("Irina");
+console.log(greet_message + " " + mentor2);
+var mentor3 = getMentorName("Mimi");
+console.log(greet_message + " " + mentor3);
+var mentor4 = getMentorName("Rob");
+console.log(greet_message + " " + mentor4);
+var mentor5 = getMentorName("Yohannes");
+console.log(greet_message + " " + mentor5);

extra/1-currency-conversion.js

@@ -6,6 +6,10 @@
 */
 
 function convertToUSD() {}
+function convertToUSD(amount) {
+  let poundToDollar = 1.4 * amount;
+  return poundToDollar;
+}
 
 /*
   CURRENCY CONVERSION
@@ -16,11 +20,16 @@ function convertToUSD() {}
 */
 
 function convertToBRL() {}
+function convertToBRL(amount) {
+  let transferFee = amount * 0.99;
+  let poundToReal = (transferFee * 5.7).toFixed(2);
+  return parseFloat(poundToReal);
+}
 
 /* ======= TESTS - DO NOT MODIFY ===== 
 There are some Tests in this file that will help you work out if your code is working.
 
-To run these tests type `npm run extraTo run the tests for just this one file, type `npm run extra-tests -- --testPathPattern 1-syntax-errors` into your terminal
+To run these tests type `npm run extraTo run the tests for just this one file, type `npm run extra-tests -- --testPathPattern 1-currency-conversion` into your terminal
 (Reminder: You must have run `npm install` one time before this will work!)
 */
 

extra/2-piping.js

@@ -16,27 +16,33 @@
   the final result to the variable goodCode
 */
 
-function add() {
-
+function add(num1, num2) {
+  let sumOfNum = num1 + num2;
+  return sumOfNum;
 }
 
-function multiply() {
-
+function multiply(num1, num2) {
+  let multiplyNum = num1 * num2;
+  return multiplyNum;
 }
 
-function format() {
-
+function format(num) {
+  let numToStr = "£" + num.toString();
+  return numToStr;
 }
 
 const startingValue = 2;
 
 // Why can this code be seen as bad practice? Comment your answer.
-let badCode =
 
-/* BETTER PRACTICE */
+let badCode = `${format(multiply(add(startingValue, 10), 2))}`;
 
-let goodCode =
+/* BETTER PRACTICE */
 
+//let goodCode =
+var addNum = add(startingValue, 10); //adding 10 to the starting value
+let multiplyNum = multiply(addNum, 2); //multiplying  the result of addNum by 2
+let goodCode = format(multiplyNum); //formatting the multiplied num into a string
 /* ======= TESTS - DO NOT MODIFY ===== 
 There are some Tests in this file that will help you work out if your code is working.
 

extra/3-magic-8-ball.js

@@ -42,11 +42,44 @@
     Outlook not so good.
     Very doubtful.
 */
+const ansArray = [
+  //Very positive
+  "It is certain.",
+  "It is decidedly so.",
+  "Without a doubt.",
+  "Yes - definitely.",
+  "You may rely on it.",
+  //Positive
+  "As I see it, yes.",
+  "Most likely.",
+  "Outlook good.",
+  "Yes.",
+  "Signs point to yes.",
+  //Negative
+  "Reply hazy, try again.",
+  "Ask again later.",
+  "Better not tell you now.",
+  "Cannot predict now.",
+  "Concentrate and ask again.",
+  //Very negative
+  "Don't count on it.",
+  "My reply is no.",
+  "My sources say no.",
+  "Outlook not so good.",
+  "Very doubtful.",
+];
+function generateRandom() {
+  return Math.floor(Math.random() * ansArray.length);
+}
 
 // This should log "The ball has shaken!"
 // and return the answer.
 function shakeBall() {
+  const randomAnswer = ansArray[generateRandom()];
+
   //Write your code in here
+console.log("The ball has shaken!");
+return randomAnswer;
 }
 
 /* 
@@ -58,10 +91,30 @@ function shakeBall() {
 
   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
+  let answerTurns;
+  for (let i = 0; i < ansArray.length; i++) {
+    if (answer === ansArray[i]) {
+      answerTurns = i;
+    }
+  }
+  if (answerTurns < 5) {
+    return "very positive";
+  } else if (answerTurns >= 5 && answerTurns < 10) {
+    return "positive";
+  } else if (answerTurns >= 10 && answerTurns < 15) {
+    return "negative";
+  } else {
+    return "very negative";
+  }
 }
 
+let a = shakeBall();
+console.log(checkAnswer(a));
+
+
 /* 
 ==================================
 ======= TESTS - DO NOT MODIFY =====
@@ -101,7 +154,10 @@ test("magic 8 ball returns different values each time", () => {
     );
   }
 
-  let seenPositivities = new Set(Array.from(seenAnswers.values()).map(checkAnswer));
+  let seenPositivities = new Set(
+    Array.from(seenAnswers.values()).map(checkAnswer)
+  );
+
   if (seenPositivities.size < 2) {
     throw Error(
       "Expected to random answers with different positivities each time shakeBall was called, but always got the same one"

mandatory/1-syntax-errors.js

@@ -1,14 +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;
+  return  "The total is " + (a + b);
 
   return "The total is total";
 }

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 getStringLength(word) {
-  return "word".length();
+  return word.length;
 }
 
 function multiply(a, b, c) {
-  a * b * c;
-  return;
+  return a * b * c;
 }
 
 /*