Glasgow Class 5 - Israel Quintanilla - JavaScript Core 1 - Week 1

exercises/B-hello-world/exercise.js

@@ -1 +1,49 @@
 console.log("Hello world");
+console.log("Testing console.log");
+console.log("Show a lot to do.");
+console.log("Amazing console that LOG");
+
+let person1 = " Israel ";
+let activity = " Skateboarding ";
+let goOut = " To the park ";
+let likes = "It is a person who likes";
+let noLikes = "It is a person who do not likes";
+let numberBig = 1324123451235;
+let isTrueOr = true;
+let isFalseOr = false;
+let story =
+  isFalseOr +
+  isTrueOr +
+  person1 +
+  numberBig +
+  noLikes +
+  " play baseball" +
+  " his " +
+  activity +
+  " is better than anything";
+
+console.log("begin of the story");
+console.log(story);
+
+function myFunctionName() {
+  console.log(goOut);
+  console.log(likes);
+  console.log(story);
+}
+
+console.log("the function results");
+myFunctionName();
+
+function someTest(num1, num2, num3, num4) {
+  return "The numbers you gave us SUM: " + num1 + num2 + num3 + num4;
+}
+console.log("sum");
+someTest(700, 44, 600, 100);
+
+//Experiment
+console.log("This is the test with out quotes");
+console.log(
+  "If you do not use quotes an error message will appear to you saying: SyntaxError: missing ) after argument list"
+);
+console.log(100);
+console.log("Console.log works with numbers too, with out quotes");

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);
+

exercises/D-strings/exercise.js

@@ -1,3 +1,18 @@
 // Start by creating a variable `message`
 
+let message = "This is a string"
+//log
 console.log(message);
+
+
+let messageType = typeof message;
+console.log(messageType);
+//log
+console.log(typeof(message));
+
+
+let myMessage = "Using typeof command to know what data type is and this is: "
+let myMsmDataType = typeof myMessage;
+//log
+console.log(myMessage,myMsmDataType);
+

exercises/E-strings-concatenation/exercise.js

@@ -1,3 +1,7 @@
 // Start by creating a variable `message`
+let message = "Hello, my name is ";
+let myName = "Israel";
+let greeting = message + myName;
+//log
+console.log(greeting);
 
-console.log(message);

exercises/F-strings-methods/exercise.js

@@ -1,3 +1,26 @@
 // Start by creating a variable `message`
 
-console.log(message);
+let myName = "Israel";
+let nameLength = myName.length;
+//log
+console.log(nameLength);
+
+//Using string methods
+let myNameInLowerCase = myName.toLowerCase();
+//log
+console.log(myNameInLowerCase);
+
+let exerciseOne =
+  "My name is " + myName + " and my name is " + nameLength + " characters long";
+//log
+console.log(exerciseOne);
+
+const name = " Daniel  ";
+
+//log
+let exerciseTwo = "My name is " + name + " and my name is " + nameLength + " characters long";
+console.log(exerciseTwo);
+//With trim
+exerciseTwo = "My name is " + name.trim() + " and my name is " + nameLength + " characters long";
+console.log(exerciseTwo);
+

exercises/F-strings-methods/exercise2.js

@@ -1,3 +1,6 @@
 const name = " Daniel  ";
 
-console.log(message);
+let exerciseOne =
+  "My name is " + name+ " and my name is " + nameLength + " characters long";
+//log
+console.log(exerciseOne);

exercises/G-numbers/exercise.js

@@ -1 +1,18 @@
 // Start by creating a variables `numberOfStudents` and `numberOfMentors`
+let age = 37;
+let sum = 10 + 234;
+let product = 245 * 23;
+let quotient = 10 / 2;
+let difference = 10 - 4;
+
+//Exercises
+
+let numberOfStudents = 100;
+let numberOfMentors = 25;
+
+console.log(
+  "Total number of student: " +
+    numberOfStudents +
+    " and mentors: " +
+    numberOfMentors
+);

exercises/I-floats/exercise.js

@@ -1,2 +1,22 @@
-var numberOfStudents = 15;
-var numberOfMentors = 8;
+
+let numberOfStudents = 15;
+let numberOfMentors = 8;
+
+//Some test
+let preciseAge = 30.612437;
+//get that number rounded using Math.round
+let roughAge = Math.round(preciseAge);
+//log
+//console.log(roughAge); //31
+
+//lets sum both values Student and Mentors
+let totalAmount = numberOfMentors+numberOfStudents;
+//Divide - multiply and round
+let percentageValue = Math.round((numberOfStudents/totalAmount)*100);
+//log for students
+console.log("Percentage students "+percentageValue+"%");
+
+//Divide - multiply and round
+percentageValue = Math.round((numberOfMentors/totalAmount)*100);
+//log for metors
+console.log("Percentage mentors "+percentageValue+"%");

exercises/J-functions/exercise.js

@@ -1,7 +1,15 @@
 function halve(number) {
-  // complete the function here
+  return number / 2;
 }
 
 var result = halve(12);
-
+//log
+console.log(result);
+//log-1
+result = halve(245);
+//log
 console.log(result);
+//log-2
+result = halve(59934);
+//log
+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);
+let result = triple(12);
 
 console.log(result);

exercises/K-functions-parameters/exercise.js

@@ -1,9 +1,9 @@
 // Complete the function so that it takes input parameters
-function multiply() {
-  // Calculate the result of the function and return it
+function multiply(num01, num02) {
+  return num01 * num02;
 }
 
 // Assign the result of calling the function the variable `result`
-var result = multiply(3, 4);
+let result = multiply(3, 4);
 
 console.log(result);

exercises/K-functions-parameters/exercise2.js

@@ -1,5 +1,7 @@
-// Declare your function first
+function divide (num1, num2){
+    return num1 / num2;
+}
 
-var result = divide(3, 4);
+let result = divide(3, 4);
 
 console.log(result);

exercises/K-functions-parameters/exercise3.js

@@ -1,5 +1,7 @@
-// Write your function here
+function createGreeting (str){
+    return "Hello, my name is " + str;
+}
 
-var greeting = createGreeting("Daniel");
+let greeting = createGreeting("Daniel");
 
 console.log(greeting);

exercises/K-functions-parameters/exercise4.js

@@ -1,5 +1,7 @@
-// Declare your function first
+function addition (num1, num2){
+    return num1 + num2;
+}
 
-// Call the function and assign to a variable `sum`
+let sum = addition(13,124); 
 
 console.log(sum);

exercises/K-functions-parameters/exercise5.js

@@ -1,4 +1,6 @@
-// Declare your function here
+function createLongGreeting(str, ages) {
+  return "Hello, my names is " + str + " and I'm " + ages + " years old";
+}
 
 const greeting = createLongGreeting("Daniel", 30);
 

exercises/L-functions-nested/exercise.js

@@ -1,5 +1,18 @@
-var mentor1 = "Daniel";
-var mentor2 = "Irina";
-var mentor3 = "Mimi";
-var mentor4 = "Rob";
-var mentor5 = "Yohannes";
+let mentor1 = "Daniel";
+let mentor2 = "Irina";
+let mentor3 = "Mimi";
+let mentor4 = "Rob";
+let mentor5 = "Yohannes";
+
+function uppercaseNames (str){
+    return nameUppercased = str.toUpperCase();
+}
+
+function shoutyGreet (name){
+    return "HELLO "+uppercaseNames(name);
+}
+console.log(shoutyGreet(mentor1));
+console.log(shoutyGreet(mentor2));
+console.log(shoutyGreet(mentor3));
+console.log(shoutyGreet(mentor4));
+console.log(shoutyGreet(mentor5));

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;
+}
+console.log(convertToUSD(32));
 
 /*
   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.
+  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(priceB) {
+  substPercent = priceB * .99  ;
+return substPercent * 5.7;
+}
+
+console.log(convertToBRL(30));
 
 /* ======= TESTS - DO NOT MODIFY ===== 
 There are some Tests in this file that will help you work out if your code is working.

extra/2-piping.js

@@ -6,7 +6,8 @@
   - 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)
 
-  2. Using the variable startingValue as input, perform the following operations using your functions all
+  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
@@ -16,26 +17,43 @@
   the final result to the variable goodCode
 */
 
-function add() {
-
+function add(num1, num2) {
+  return num1 + num2;
 }
 
-function multiply() {
-
+function multiply(num1, num2) {
+  return num1 * num2;
 }
 
-function format() {
-
+function format(number) {
+  return "£" + number;
 }
 
 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))); //I never think to write this without your help CYF
+                                                          //Is a bad code I know but I understand what I wrote
+console.log(badCode);                                      
+
+ /*BETTER PRACTICE */
+
+function performOperations (numToAdd, numToMultiply){
+  sum = numToAdd + startingValue;
+  multiplication = sum * numToMultiply;
+  return "£" + multiplication;
+}
+
+let goodCode = performOperations(10,2);
 
-/* BETTER PRACTICE */
+console.log(goodCode);
+/* £££    UNCOMMENT THIS CODE TO RUN WITH FIXED VALUES  $$$
 
-let goodCode =
+function performOperations (){
+  sum = 10 + startingValue;
+  multiplication = sum * 2;
+  return "£" + multiplication;
+  */
 
 /* ======= TESTS - DO NOT MODIFY ===== 
 There are some Tests in this file that will help you work out if your code is working.