diff --git a/Week2/%.js b/Week2/%.js
new file mode 100644
index 000000000..7f979a060
--- /dev/null
+++ b/Week2/%.js
@@ -0,0 +1,8 @@
+// Explaining %
+
+x = 12;
+console.log(x);
+
+console.log ('x % 5 will be 2 which is the leftover number that cannot be divided on 5');
+
+console.log(x % 5);
\ No newline at end of file
diff --git a/Week2/arrays.js b/Week2/arrays.js
new file mode 100644
index 000000000..7fbd5ee8a
--- /dev/null
+++ b/Week2/arrays.js
@@ -0,0 +1,15 @@
+// Animals Names
+
+let myFavoriteAnimals;
+
+console.log('The value of myFavoriteAnimals is: undefined then an object \'array\' ');
+
+console.log(myFavoriteAnimals);
+
+myFavoriteAnimals = ['monkey', 'horse', 'turtle'];
+
+console.log(myFavoriteAnimals);
+
+myFavoriteAnimals = myFavoriteAnimals + [', baby pig'];
+
+console.log(myFavoriteAnimals);
\ No newline at end of file
diff --git a/Week2/dataType.js b/Week2/dataType.js
new file mode 100644
index 000000000..104649d32
--- /dev/null
+++ b/Week2/dataType.js
@@ -0,0 +1,61 @@
+// Types of Data
+
+let success = 'Congats! the data type of your variables is identical!';
+
+console.log(success + ' * this is a string');
+
+console.log(typeof success);
+
+
+let failure = 'Oops! the data type of your variables is different!';
+
+console.log(failure + ' * this is a string');
+
+console.log(typeof failure);
+
+
+let number = 1;
+
+console.log(number + ' * this is a number');
+
+console.log(typeof number);
+
+
+let boolean = true;
+
+console.log(boolean + ' * this is a boolean');
+
+console.log(typeof boolean);
+
+
+let array = [0, 1, 2, 3, 4];
+
+console.log(array + ' * this is an object');
+
+console.log(typeof array);
+
+// Testing type of data
+
+if (typeof success === typeof failure) {
+
+ console.log(success);
+
+} else {
+ console.log(failure);
+}
+
+
+if (typeof success === typeof number) {
+ console.log(success);
+
+} else {
+ console.log(failure);
+}
+
+
+if (typeof boolean === typeof array) {
+ console.log(success);
+
+} else {
+ console.log(failure);
+}
diff --git a/Week2/helloWorld.js b/Week2/helloWorld.js
new file mode 100644
index 000000000..8fe96f56f
--- /dev/null
+++ b/Week2/helloWorld.js
@@ -0,0 +1,11 @@
+// Greetings
+
+console.log ('Hello World!'); //English
+
+console.log ('Halo, Dunia!'); // Indonesian
+
+console.log ('Ciao Mondo!'); // Italian
+
+console.log ('Hola Mundo!'); // Spanish
+
+
diff --git a/Week2/imAwesome.js b/Week2/imAwesome.js
new file mode 100644
index 000000000..520fbbda3
--- /dev/null
+++ b/Week2/imAwesome.js
@@ -0,0 +1,17 @@
+// Debug single quote issue
+
+console.log('I\'m awesome');
+
+// variables & Values
+
+let x;
+
+console.log("the value of my variable x will be: undefined ");
+
+console.log(x);
+
+x = 12;
+
+console.log("the value of my variable x will be: a number 12 ");
+
+console.log(x);
\ No newline at end of file
diff --git a/Week2/index.html b/Week2/index.html
new file mode 100644
index 000000000..567877d9f
--- /dev/null
+++ b/Week2/index.html
@@ -0,0 +1,30 @@
+
+
+
+
+
+
+ Codestin Search App
+
+
+ JS-week2
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
\ No newline at end of file
diff --git a/Week2/moreStrings.js b/Week2/moreStrings.js
new file mode 100644
index 000000000..5314697f0
--- /dev/null
+++ b/Week2/moreStrings.js
@@ -0,0 +1,7 @@
+// String Length
+
+let myString = "this is a test";
+
+console.log(myString);
+
+console.log(myString.length);
\ No newline at end of file
diff --git a/Week2/multiDataTypes.js b/Week2/multiDataTypes.js
new file mode 100644
index 000000000..76734c776
--- /dev/null
+++ b/Week2/multiDataTypes.js
@@ -0,0 +1,16 @@
+// Array with multiple data types
+
+console.log('following array contains 2 numbers, 2 strings and a boolean');
+
+let multipleTypesArray = [0, 'hero', 2, 'too', false];
+
+console.log(multipleTypesArray);
+
+// Comparing infinities
+
+if (10/0 === 6/0) {
+ console.log('Yes! they\'re equal!');
+
+} else {
+ console.log('There\'s no equality in this!');
+}
\ No newline at end of file
diff --git a/Week2/roundNumber.js b/Week2/roundNumber.js
new file mode 100644
index 000000000..0679cdb01
--- /dev/null
+++ b/Week2/roundNumber.js
@@ -0,0 +1,24 @@
+
+let z = 7.25;
+
+console.log(z);
+
+// Round z to the closest integer
+
+let round = Math.round;
+
+let a = round(z);
+
+console.log(a);
+
+// Print higher value z or a
+
+if (a
+
+
+
+
+
+ Codestin Search App
+
+
+
+ JS-week3
+
+ `
+
+
+
+
+
+
+
+
+
+
+
+
+
\ No newline at end of file
diff --git a/Week3/strings.js b/Week3/strings.js
new file mode 100644
index 000000000..16c2e1c46
--- /dev/null
+++ b/Week3/strings.js
@@ -0,0 +1,6 @@
+let myString = "hello,this,is,a,difficult,to,read,sentence";
+
+console.log(myString.length);
+
+console.log(myString.replace(/,/g," "));
+
diff --git a/Week3/sumFun.js b/Week3/sumFun.js
new file mode 100644
index 000000000..21ddb800f
--- /dev/null
+++ b/Week3/sumFun.js
@@ -0,0 +1,13 @@
+// Create a function that takes 3 arguments and returns the sum of the these arguments.
+
+function sum(){
+ let sum =0;
+ for(let i=0;i