diff --git a/Week2/akif.js b/Week2/akif.js
new file mode 100644
index 000000000..98dc9310d
--- /dev/null
+++ b/Week2/akif.js
@@ -0,0 +1,108 @@
+// Part 1 Hello World
+console.log('Hello World'); // English
+console.log('Merhaba Dunya'); // Turkish
+console.log('Hallo Wereld'); // Dutch
+console.log('مرحبا بالعالم'); // Arabic
+
+// Part 2 Error  -----------------------------------------
+console.log("I'm awesome");
+
+// Part 3 Console.log(x)   --------------------------------
+let x;
+console.log('the value of my variable x will be: Undefined');
+console.log(x);
+x = 16;
+console.log('the value of my variable x will be: 16');
+console.log(x);
+
+// Part 4  String y  ---------------------------------------
+let y = 'I love you JavaScript';
+console.log('the value of my variable y will be: I love you JavaScript');
+console.log(y);
+y = 'I will learn you';
+console.log('the value of my variable y will be: I will learn you');
+console.log(y);
+
+// Part 5  Round a number  ---------------------------------
+const z = 7.25;
+console.log(z);
+const a = Math.round(z);
+console.log(a);
+const b = Math.max(z, a);
+console.log(b);
+
+// Part 6 Arrays   ------------------------------------------
+let myNumbers = [];
+console.log('the value of my variable y will be: myLuckyNumbers');
+console.log(myNumbers);
+let myFavouriteAnimals = ['cat', 'butterfly', 'bear'];
+console.log(myFavouriteAnimals);
+myFavouriteAnimals.push('baby pig');
+console.log(myFavouriteAnimals);
+
+// Part 7  More Strings - Length -----------------------------
+let myString =
+  'JavaScript (JS) is a lightweight interpreted or JIT-compiled programming language with first-class functions.';
+console.log(myString);
+console.log(myString.length);
+
+// Part 8  typeof  -------------------------------------------
+let k = 42;
+let l = 'Hello World';
+let m;
+let n = true;
+console.log(k, l, m, n);
+console.log('the types of my variable accordingly are: number, string, undefined, boolean');
+console.log(typeof k, typeof l, typeof m, typeof n);
+if (typeof k !== typeof l) {
+  console.log('Not Same Type');
+}
+if (typeof k !== typeof m) {
+  console.log('Not Same Type');
+}
+if (typeof k !== typeof n) {
+  console.log('Not Same Type');
+}
+if (typeof l !== typeof m) {
+  console.log('Not Same Type');
+}
+if (typeof l !== typeof n) {
+  console.log('Not Same Type');
+}
+if (typeof m !== typeof n) {
+  console.log('Not Same Type');
+}
+
+// Part 9   Remainder %  -----------------------------------------
+x = 7;
+x %= 3;
+console.log(x);
+
+y = 100;
+console.log((y %= 15));
+
+if (y % 2 === 0) {
+  console.log(y + ' is a even number');
+}
+y = 13;
+if (y % 2 === 1) {
+  console.log(y + ' is a odd number');
+}
+
+// Part 10 --------------------------------------------------------------
+let arr = [13, 'I am a programmer', undefined, null];
+console.log(arr);
+
+function arrayTypeChecker(b) {
+  for (let i = 0; i < b.length - 1; i++) {
+    if (typeof b[i] !== typeof b[i + 1]) {
+      return 'Array includes DIFFERENT data types';
+    } else {
+      return 'Array includes SAME data types';
+    }
+  }
+}
+
+console.log(arrayTypeChecker(arr));
+
+console.log(6 / 0 === 10 / 0);
diff --git a/Week3/akif-week3.js b/Week3/akif-week3.js
new file mode 100644
index 000000000..4d720c2d4
--- /dev/null
+++ b/Week3/akif-week3.js
@@ -0,0 +1,158 @@
+//   STRINGS! --------------
+let myString = 'hello,this,is,a,difficult,to,read,sentence';
+console.log(myString);
+console.log(myString.length);
+myString = myString.replace(/[,]/g, ' ');
+console.log(myString);
+
+//   ARRAYS! -------------------------------------------------
+let favoriteAnimals = ['blowfish', 'capricorn', 'giraffe'];
+favoriteAnimals.push('turtle');
+console.log(favoriteAnimals);
+favoriteAnimals.splice(1, 0, 'meerkat');
+console.log("i added a new value 'meerkat' to the array");
+console.log(favoriteAnimals);
+console.log('The array has a length of: ' + favoriteAnimals.length);
+favoriteAnimals.splice(3, 1);
+console.log(favoriteAnimals);
+console.log('The item you are looking for is at index: ' + favoriteAnimals.indexOf('meerkat'));
+favoriteAnimals.splice(favoriteAnimals.indexOf('meerkat'), 1);
+
+//  MORE JAVASCRIPT ! ------------------------------------------------
+// -----1111111111111111111-----------
+function getSum(a, b, c) {
+  return a + b + c;
+}
+
+// -----222222222222222222-------------
+function colorCar(color) {
+  return 'a ' + color + ' car';
+}
+
+//-----3333333333333333333--------------
+const myBooks = {
+  Dostoyevsky: 'Crime and Punishment',
+  'Franz Kafka': 'The Trial',
+  'Anne Frank': 'Diarys',
+};
+
+function getBook(library) {
+  for (let book in library) {
+    console.log(book + ' - ' + library[book]);
+  }
+}
+getBook(myBooks);
+
+//  -----444444444444444444------------------
+const vehicleCodes = {
+  1: 'car',
+  2: 'motorbike',
+};
+
+function vehicleType(color, code) {
+  console.log('A ' + color + ' ' + vehicleCodes[code]);
+}
+
+vehicleType('blue', 2);
+
+//  _-------555555555555555555--------------------
+console.log(3 === 3 ? 'yes' : 'no');
+
+//  -------66666666666666666666---------------------
+function vehicle(color, code, age) {
+  if (age > 0) {
+    age = 'used';
+  } else {
+    age = 'new';
+  }
+  console.log('A ' + color + ' ' + age + ' ' + vehicleCodes[code]);
+}
+
+vehicle('blue', 1, 5);
+
+// -------777777777777  &&  888888888888888--------------------
+let vehicleList = ['car', 'motorbike', 'caravan', 'bike', 'truck'];
+
+console.log('Third element of the array is ' + vehicleList[2]);
+
+//  --------9999999999999999999999 -----------------------------
+function vehicle1(color, code, age) {
+  if (age > 1) {
+    age = 'used';
+  } else {
+    age = 'new';
+  }
+  console.log('A ' + color + ' ' + age + ' ' + vehicleList[code]);
+}
+
+vehicle1('green', 3, 1);
+
+//-------10 10 10 10 10 10 10 10 ---------------------
+
+// function advertisement(arrname) {
+//   for (let i = 0; i < arrname.length; i++) {
+//     arrname[i] += 's';
+//   }
+
+//   for (let i = 0; i < arrname.length - 2; i++) {
+//     arrname[i] += ',';
+//   }
+
+//   arrname[arrname.length - 2] += ' and';
+
+//   console.log("Amazing Joe's Garage, we service " + arrname.join(' ') + '.');
+// }
+
+function advertisement(arrname) {
+  let vehicles1 = arrname.slice(0, arrname.length - 1).join('s, ');
+  let lastVehicle = arrname[arrname.length - 1];
+
+  console.log(`"Amazing Joe's Garage, we service ${vehicles1}s and ${lastVehicle}s."`);
+}
+
+advertisement(vehicleList);
+
+// --------11 11 11 111 11 11 11 11 ----------------------
+vehicleList.push('ship');
+advertisement(vehicleList);
+
+// ---12 12 12 12 12 12 12 12 // 13 13 13 // 14 14 14 14 -------------------------
+const teachers = {};
+teachers.HTML = 'Philipp Beau';
+teachers.CSS = 'Rob van Kruijsdijk';
+teachers.GIT = 'Unmesh Joshi';
+teachers.JS = 'Yash Kapila';
+console.log(teachers);
+
+// ---15 15 15 15 15 15 15 15 15 --------------------------------
+let x = [1, 2, 3];
+let y = [1, 2, 3];
+let z = y;
+
+console.log(x == y); // false
+console.log(x === y); // false
+console.log(x == z); // false
+console.log(x === z); // false
+console.log(y == z); // true
+console.log(y === z); // true
+
+// When i use == or ===, it compares whether they are same array or not.
+// to look they have a same content:
+console.log(x.toString() === y.toString()); // true
+
+//  ---- 16 16 16 16 16 16 16 ------------------
+let o1 = { foo: 'bar' };
+let o2 = { foo: 'bar' };
+let o3 = o2;
+
+o2.foo = 'o2-changed';
+console.log(o3); //changing o2 change o3
+o1.foo = 'o1-changed';
+console.log(o3); //changing o1 doesnt change o3
+// **Does the order that you assign (o3 = o2 or o2 = o3) matter?
+// Yes absolutely matter. if we write o2 = o3, o2 would be declared twice and cause ERROR.
+
+// ----17 17 17 17 17 17 17 17 ----------------
+let bar = 42;
+console.log(typeof typeof bar); // string
+// Because typeof 'bar' is number and typeof 'number' is string. Number is text.