diff --git a/02_Day_Data_types/02_day_starter/main.js b/02_Day_Data_types/02_day_starter/main.js
index 7762908..fe15bd6 100644
--- a/02_Day_Data_types/02_day_starter/main.js
+++ b/02_Day_Data_types/02_day_starter/main.js
@@ -1 +1,94 @@
-// this is your main.js script
\ No newline at end of file
+// this is your main.js script
+let challenge = "30 Days Of Javascript";
+// console.log(challenge);
+// console.log(challenge.length);
+// console.log(challenge.toUpperCase());
+// console.log(challenge.toLowerCase());
+// console.log(challenge.substring(0, 2));
+// console.log(challenge.substring(3));
+// console.log(challenge.includes("Script"));
+// console.log(challenge.split());
+// console.log(challenge.split(" "));
+// console.log('Facebook, Google, Microsoft, Apple, IBM, Oracle, Amazon'.split(","));
+// console.log(challenge.replace("Javascript", "Python"));
+// console.log(challenge.charAt(15));
+// console.log(challenge.charCodeAt("J"));
+// console.log(challenge.indexOf("a"));
+// console.log(challenge.lastIndexOf("a"));
+// console.log(
+//   "You cannot end a sentence with because because because is a conjunction".indexOf("because")
+// );
+// console.log(
+//   "You cannot end a sentence with because because because is a conjunction".lastIndexOf(
+//     "because"
+//   )
+// );
+// console.log(
+//   "You cannot end a sentence with because because because is a conjunction".search(
+//     "because"
+//   )
+// );
+// console.log(" 30 Days Of Javascript ".trim(" "));
+// console.log(challenge.startsWith("30"));
+// console.log(challenge.endsWith("Javascript"));
+// console.log(challenge.match(/a/gi));
+// let challenge2 = "30 Days of";
+// let challenge3 = "Javascript";
+// console.log(challenge2.concat(" ", challenge3))
+// console.log(challenge.repeat(3))
+
+// console.log(`The quote 'There is no exercise better for the heart than reaching down and lifing people up.' by John Holmes teaches us to help one another.`)
+
+// console.log(`"Love is not patronizing and charity isn't about pity, it is about love. Charity and love are the same -- with charity you give love, so don't just give money but reach out your hand instead."
+// `);
+// console.log(parseFloat("10") === 10);
+// console.log("python".includes("on") && "jargon".includes("on"))
+// // console.log("I hope this course is not full of jargon".includes("jargon"))
+// console.log(`1\t1\t1\t1\t1\n2\t1\t2\t4\t8\n3\t1\t3\t9\t27\n4\t1\t4\t16\t64\n5\t1\t5\t25\t125`);
+// console.log(Math.floor(Math.random() * (100 - 50) + 50));
+// console.log(Math.floor(Math.random() * 256));
+// console.log("Javascript".charAt(Math.floor(Math.random() * "Javascript".length)));
+let text =
+  "You cannot end a sentence with because because because in a conjunction";
+// console.log(text.substring(text.indexOf("because"), text.lastIndexOf("because")));
+// console.log(text.lastIndexOf("because"));
+let text2 = text.split(" ");
+text2.splice(text2.indexOf("because"), 3);
+console.log(text2.join(" "));
+
+let loveText =
+  "Love is the best thing in this world. Some found their love and some are still looking for their love";
+
+let counter = 0;
+loveText.split(" ").forEach((element) => {
+  element.toLowerCase() === "love" ? counter++ : undefined;
+});
+console.log(counter);
+console.log(text.match(/because/gi).length);
+let income =
+  "He earns 5000 euro from salary per month, 10000 euro annual bonus, 15000 euro online courses per month.";
+let incomechunks = income.split(",");
+let totalIncome = 0;
+incomechunks.forEach((chunk) => {
+  if (chunk.includes("month")) {
+    chunk
+      .trim()
+      .split(" ")
+      .forEach((chunksalary) => {
+        if (+chunksalary > 0) {
+          totalIncome += chunksalary * 12;
+        }
+      });
+  }
+  if (chunk.includes("annual")) {
+    chunk
+      .trim()
+      .split(" ")
+      .forEach((chunksalary) => {
+        if (+chunksalary > 0) {
+          totalIncome += +chunksalary;
+        }
+      });
+  }
+});
+console.log(totalIncome);
diff --git a/03_Day_Booleans_operators_date/03_day_starter/scripts/main.js b/03_Day_Booleans_operators_date/03_day_starter/scripts/main.js
index 7762908..f9bb7ab 100644
--- a/03_Day_Booleans_operators_date/03_day_starter/scripts/main.js
+++ b/03_Day_Booleans_operators_date/03_day_starter/scripts/main.js
@@ -1 +1,101 @@
-// this is your main.js script
\ No newline at end of file
+// this is your main.js script
+// let firstname = "Frank";
+// let lastName = "Willis";
+// let country = "Kenya";
+// let city = "Mombasa";
+// let age = 28;
+// let isMarried = true;
+// let year = new Date().getFullYear();
+// let year2 = 2025;
+
+console.log(4 > 3); //true
+console.log(4 >= 3); //true
+console.log(4 < 3); //false
+console.log(4 <= 3); //false
+console.log(4 == 4); //true
+console.log(4 === 4); //true
+console.log(4 != 4); //false
+console.log(4 !== 4); //false
+console.log(4 != "4"); //false
+console.log(4 == "4"); //true
+console.log(4 === "4"); //false
+
+console.log("python".length != "jargon".length)
+
+console.log(4 > 3 && 10 < 12); //true
+console.log(4 > 3 && 10 > 12); //false
+console.log(4 > 3 || 10 < 12); //true
+console.log(4 > 3 || 10 > 12); //true
+console.log(!(4 > 3)); //false
+console.log(!(4 < 3)); //true
+console.log(!false); //true
+console.log(!(4 > 3 && 10 < 12)); //false
+console.log(!(4 > 3 && 10 > 12)); //true
+console.log(!(4 === "4")); //true
+
+let base = window.prompt("Enter the base");
+let height = window.prompt("Enter the height");
+let area = base * height * 0.5;
+window.alert(`The area is ${area}`);
+
+let sidea = window.prompt("Enter the first side");
+let sideb = window.prompt("Enter the second side");
+let sidec = window.prompt("Enter the third side");
+let perimeter = Number(sidea) + Number(sideb) + Number(sidec);
+window.alert(`The perimeer of the triangle is ${perimeter}`);
+
+let hours = window.prompt("Enter hours worked");
+let rateperhour = window.prompt("Enter rate per hour");
+let totalpay = hours * rateperhour;
+window.alert(`Your pay is $ ${totalpay}`);
+
+console.log("FrankWillis".length > 7 ? "My name is long" : "My name is short");
+let firstName = "Frank";
+let lastName = "Anais";
+
+firstName.length > lastName.length
+  ? console.log(
+      `Your first name, ${firstName} is longer than your family name, ${lastName}`
+    )
+  : console.log(
+      `Your first name, ${lastName} is longer than your family name, ${firstName}`
+    );
+
+let myAge = 25;
+let yourAge = 252;
+
+myAge > yourAge
+  ? console.log(`I am ${myAge - yourAge} years older than you.`)
+  : console.log(`You are ${yourAge - myAge} years older than me.`);
+
+let yearOfBirth = window.prompt("Enter year of birth");
+let currentYear = new Date().getFullYear();
+let currentAge = currentYear - yearOfBirth;
+currentAge >= 18
+  ? window.alert(`You are ${currentAge}. You are old enough to drive`)
+  : window.alert(
+      `You are ${currentAge}. You will be allowed to drive after ${
+        18 - currentAge
+      }`
+    );
+
+let noYears = window.prompt("Enter years to be converted");
+let seconds = noYears * 365 * 24 * 3600;
+window.alert(`You lived ${seconds} seconds`);
+
+let now = new Date();
+let year = now.getFullYear();
+let month = now.getMonth();
+let date = now.getDate();
+let hour = now.getHours();
+let minutes = now.getMinutes();
+
+minutes > 9 ? minutes : minutes = `0${minutes}`;
+hour > 9 ? hour : (hour = `0${hour}`);
+month > 9 ? month++ : month = `0${month + 1}`;
+
+// console.log(`${year}-0${month+1}-${date} ${hour}:${minutes}`)
+// console.log(`${date}-0${month+1}-${year} ${hour}:${minutes}`);
+// console.log(`${date}/0${month + 1}/${year} ${hour}:${minutes}`);
+
+console.log(`${year}-${month}-${date} ${hour}:${minutes}`);
diff --git a/04_Day_Conditionals/04_day_starter/scripts/main.js b/04_Day_Conditionals/04_day_starter/scripts/main.js
index ad0c1eb..94eeea8 100644
--- a/04_Day_Conditionals/04_day_starter/scripts/main.js
+++ b/04_Day_Conditionals/04_day_starter/scripts/main.js
@@ -1,3 +1,122 @@
 // this is your main.js script
 
-alert('Open the browser console whenever you work on JavaScript')
\ No newline at end of file
+// alert('Open the browser console whenever you work on JavaScript')
+
+// let age = window.prompt("Enter your age");
+// let message =
+//   age >= 18
+//     ? `You are old enough to drive`
+//     : `You are left with ${18 - age} years to drive`;
+// window.alert(message);
+
+// let myAge = 82;
+// let yourAge = 32;
+
+// let comparison =
+//   myAge > yourAge
+//     ? `I am ${myAge - yourAge} years older than you`
+//     : `You are ${yourAge - myAge} years older than me`;
+// console.log(comparison);
+
+// let a = 21;
+// let b = 22;
+// const greater =
+//   a > b
+//     ? `${a} is greater than ${b}`
+//     : b > a
+//     ? `${b} is greater than ${a}`
+//     : `${a} is equal to ${b}`;
+// console.log(greater);
+
+// let number = 10;
+// const result = number % 2 == 0 ? `${number} is an even number` : `${number} is an odd number`;
+// console.log(result)
+
+// let score = window.prompt("Enter the score");
+// switch (true) {
+//   case score >= 80 && score <= 100:
+//     console.log("A");
+//     break;
+//   case score >= 70 && score < 80:
+//     console.log("B");
+//     break;
+//   case score >= 60 && score < 70:
+//     console.log("C");
+//     break;
+//   case score >= 50 && score < 60:
+//     console.log("D");
+//     break;
+//   default:
+//     console.log("F");
+//     break;
+// }
+
+// let period = window
+//   .prompt("Enter the month to find out the season")
+//   .toLowerCase();
+
+// switch (true) {
+//   case period == "september" || period == "october" || period == "november":
+//     console.log("The season is Autumn");
+//     break;
+//   case period == "december" || period == "january" || period == "february":
+//     console.log("The season is Winter");
+//     break;
+//   case period == "march" || period == "april" || period == "may":
+//     console.log("The season is Spring");
+//     break;
+//   default:
+//     console.log("The season is Summer");
+// }
+
+// let day = "friday".toLowerCase();
+
+// switch (true) {
+//     case day == "saturday" || day == "sunday":
+//         let processedWeekend = day.split("");
+//         processedWeekend.splice(0, 1);
+//         console.log(
+//           `${day.charAt(0).toUpperCase()}${processedWeekend.join(
+//             ""
+//           )} is a weekend`
+//         );
+//         break;
+//     default:
+//         let processedWeekDay = day.split("");
+//         processedWeekDay.splice(0, 1);
+//         console.log(
+//           `${day.charAt(0).toUpperCase()}${processedWeekDay.join(
+//             ""
+//           )} is a weekday`
+//         );
+
+// }
+
+let months = [
+  "January",
+  "February",
+  "March",
+  "April",
+  "May",
+  "June",
+  "July",
+  "August",
+  "September",
+  "October",
+  "November",
+  "December",
+];
+
+let daysNormal = [31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31];
+let daysLeap = [31, 29, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31];
+
+let month = "March";
+
+let currYear = new Date().getFullYear();
+let isLeap = currYear % 4 == 0 ? "leap" : "normal";
+
+console.log(
+  isLeap == "leap"
+    ? `The number of days in ${month} are ${daysLeap[months.indexOf(month)]}`
+    : `The number of days in ${month} are ${daysNormal[months.indexOf(month)]}`
+);