Merge 760338420f into 29e4101818

04_Day_Conditionals/04_day_starter/scripts/main.js

@@ -1,3 +1,158 @@
 // this is your main.js script
 
-alert('Open the browser console whenever you work on JavaScript')
+//alert('Open the browser console whenever you work on JavaScript')
+
+// Day 4 Exercises
+
+// Exercise 1
+let userAge = parseInt(prompt('Enter your age:'));
+
+
+if(userAge >= 18){
+    console.log('You are old enough to drive');
+} else {
+    let yearsLeft = 18 - userAge
+    console.log(`You are left with ${yearsLeft} years to drive`);
+}
+
+// Exercise 2
+let myAge = parseInt(prompt('Enter your age: '));
+let yourAge = 25;
+
+if(myAge > yourAge){
+    let ageDifference = myAge - yourAge;
+    console.log(`I am ${ageDifference} years older than you`)
+} else if (myAge < yourAge){
+    let ageDifference = yourAge - myAge;
+    console.log(`You are ${ageDifference} years older than me`)
+} else {
+    console.log('We are the same age')
+}
+
+// Exercise 3
+let a = 4
+let b = 3
+
+if(a > b) {
+    console.log('a is greater is b')
+} else if (a < b) {
+    console.log('b is greater than a')
+} else {
+    console.log("they're equal")     
+}
+// Using ternary operators
+a > b
+    ? console.log('a is greater than b')
+    : console.log('a is less than b');
+
+// Exercise 4
+let evenNumber  = parseInt(prompt('Enter a number: '))   
+
+if (evenNumber % 2 !== 0){
+    console.log(`${evenNumber} isn't an even number!`);
+} else {
+    console.log(`${evenNumber} IS an even number!`);
+}
+
+                                        // Exercise Level 2
+// Exercise 1
+const score = parseFloat(prompt("Enter the student's score:"));
+
+let grade;
+
+switch (true) {
+  case score >= 80 && score <= 100:
+    grade = 'A';
+    break;
+  case score >= 70 && score < 80:
+    grade = 'B';
+    break;
+  case score >= 60 && score < 70:
+    grade = 'C';
+    break;
+  case score >= 50 && score < 60:
+    grade = 'D';
+    break;
+  case score >= 0 && score < 50:
+    grade = 'F';
+    break;
+  default:
+    grade = 'Invalid score';
+    break;
+}
+
+console.log(`The student's grade is: ${grade}`);
+
+// Exercise 2
+
+let month = prompt('Input current month: ');
+let currentMonth = month.toLowerCase();
+
+let autumn = ['september', 'october', 'november'];
+let winter = ['december', 'january', 'february'];
+let spring = ['march', 'april', 'may'];
+let summer = ['june', 'july', 'august'];
+
+if (autumn.includes(currentMonth)) {
+    console.log('It is autumn');
+} else if (winter.includes(currentMonth)) {
+    console.log('It is winter');
+} else if (spring.includes(currentMonth)) {
+    console.log('It is spring');
+} else if (summer.includes(currentMonth)) {
+    console.log('It is summer');
+} else {
+    console.log('Invalid input or unknown season');
+}
+
+// Exercise 3
+let day = prompt('What is the day today? ');
+let lowerCaseDay = day.toLowerCase();
+
+switch (lowerCaseDay) {
+    case 'saturday':
+    case 'sunday':
+        console.log(`${day} is a weekend.`);
+        break;
+    case 'monday':
+    case 'tuesday':
+    case 'wednesday':
+    case 'thursday':
+    case 'friday':
+        console.log(`${day} is a working day.`);
+        break;
+    default:
+        console.log('Invalid day input.');
+}
+
+                                        // Exercise Level 3
+// Exercise 1
+let days = prompt('Enter month: ');
+let monthlyDays = days.toLowerCase();
+
+switch (monthlyDays) {
+    case 'february' :
+        console.log(`${monthlyDays} has 28 days`);
+        break;
+    case 'april':
+    case 'june':
+    case 'september':
+    case 'november':
+        console.log(` ${monthlyDays }has  30 days `);
+        break;
+    case 'january':
+    case 'march':
+    case 'may':
+    case 'july':
+    case 'august':
+    case 'october':
+    case 'december':
+        console.log (`${monthlyDays} has 31 days`);
+        break;
+    default:
+        console.log('Please enter correct month name') ;
+};
+
+
+
+