diff --git a/02week/cars.js b/02week/cars.js
new file mode 100644
index 000000000..ff03a13ff
--- /dev/null
+++ b/02week/cars.js
@@ -0,0 +1,41 @@
+let cars = ['Ford', 'Mazda', 'Toyota', 'Chevrolet'];
+console.log(cars.length);
+
+let moreCars = ['Mitsubishi', 'Tesla', 'Audi', 'Honda'];
+let totalCars = cars.concat(moreCars);
+console.log(totalCars);
+
+console.log(moreCars.indexOf('Honda'));
+console.log(cars.lastIndexOf('Ford'));
+
+let stringOfCars = totalCars.join();
+console.log(stringOfCars);
+
+console.log(stringOfCars.split());
+
+let carsInReverse = totalCars.reverse();
+console.log(carsInReverse);
+
+console.log(carsInReverse.sort());
+
+let carsRemoved = carsInReverse.slice(2,4);
+console.log(carsRemoved);
+
+console.log(carsInReverse.splice(2,2, 'Ford', 'Honda'));
+
+console.log(carsInReverse.push('Ford', 'Honda'));
+
+carsInReverse.pop();
+console.log(carsInReverse);
+
+carsInReverse.shift();
+console.log(carsInReverse);
+
+carsInReverse.unshift('BMW');
+console.log(carsInReverse);
+
+let numbers = [23, 45, 0, 2];
+function incrementTwo(item) {
+  console.log(item + 2);
+}
+numbers.forEach(incrementTwo)
diff --git a/03week/Loops.js b/03week/Loops.js
new file mode 100644
index 000000000..93aa4f65a
--- /dev/null
+++ b/03week/Loops.js
@@ -0,0 +1,35 @@
+let cars = ['Ford', 'Mazda', 'Toyota', 'Chevrolet'];
+let moreCars = ['Mitsubishi', 'Tesla', 'Audi', 'Honda'];
+let totalCars = cars.concat(moreCars);
+let carsInReverse = totalCars.reverse();
+for(let i=0; i < carsInReverse.length; i++){
+console.log(carsInReverse[i]);
+}
+
+let persons = {
+firstName: "Jane",
+lastName: "Doe",
+birthDate: "Jan 5, 1925",
+gender: "female"
+};
+
+for (var prop in persons) {
+console.log(`persons.${prop} = ${persons[prop]}`);
+}
+
+for(key in persons){
+if (key === 'birthDate'){
+  console.log(persons['birthDate']);
+}
+}
+
+let number = 0
+while (number < 1000){
+//console.log(number);
+number += 1
+}
+
+do {
+//console.log(number);
+number +=1
+}while(number<1000);