diff --git a/Week2/arraysTask-1.js b/Week2/arraysTask-1.js
new file mode 100644
index 000000000..66334fcaa
--- /dev/null
+++ b/Week2/arraysTask-1.js
@@ -0,0 +1,8 @@
+const str = 'dlroW olleH';
+console.log('my string is: '+str);
+const splitString = str.split('');
+console.log('make it array: '+splitString);
+const reverseArray = splitString.reverse();
+console.log('reverse array: '+reverseArray);
+const joinArray = reverseArray.join('');
+console.log('corrected string is: '+joinArray);
\ No newline at end of file
diff --git a/Week2/homework/arraysTask-1.js b/Week2/homework/arraysTask-1.js
new file mode 100644
index 000000000..66334fcaa
--- /dev/null
+++ b/Week2/homework/arraysTask-1.js
@@ -0,0 +1,8 @@
+const str = 'dlroW olleH';
+console.log('my string is: '+str);
+const splitString = str.split('');
+console.log('make it array: '+splitString);
+const reverseArray = splitString.reverse();
+console.log('reverse array: '+reverseArray);
+const joinArray = reverseArray.join('');
+console.log('corrected string is: '+joinArray);
\ No newline at end of file
diff --git a/Week2/homework/stringsTask-1.js b/Week2/homework/stringsTask-1.js
new file mode 100644
index 000000000..ea23461a7
--- /dev/null
+++ b/Week2/homework/stringsTask-1.js
@@ -0,0 +1,4 @@
+const myString = "hello,this,is,a,difficult,to,read,sentence";
+console.log('my string is: '+myString);
+console.log('length of the string is: '+myString.length+' characters');
+console.log('corrected string is: '+myString.replace(/,/g,' '));
diff --git a/Week2/homework/stringsTask-2.js b/Week2/homework/stringsTask-2.js
new file mode 100644
index 000000000..66334fcaa
--- /dev/null
+++ b/Week2/homework/stringsTask-2.js
@@ -0,0 +1,8 @@
+const str = 'dlroW olleH';
+console.log('my string is: '+str);
+const splitString = str.split('');
+console.log('make it array: '+splitString);
+const reverseArray = splitString.reverse();
+console.log('reverse array: '+reverseArray);
+const joinArray = reverseArray.join('');
+console.log('corrected string is: '+joinArray);
\ No newline at end of file
diff --git a/Week2/homework/task01HelloWorld.js b/Week2/homework/task01HelloWorld.js
new file mode 100644
index 000000000..d534e7e8f
--- /dev/null
+++ b/Week2/homework/task01HelloWorld.js
@@ -0,0 +1,6 @@
+function helloWorld (greetings, language) {
+    console.log ( greetings + ' // ' + language)
+    };
+  helloWorld ('Halo, dunia!', 'Indonesian');
+  helloWorld ('Ciao, mondo!', 'Italian');
+  
\ No newline at end of file
diff --git a/Week2/homework/task02SyntaxError.js b/Week2/homework/task02SyntaxError.js
new file mode 100644
index 000000000..1be0ffb68
--- /dev/null
+++ b/Week2/homework/task02SyntaxError.js
@@ -0,0 +1 @@
+console.log("I'm awesome");
\ No newline at end of file
diff --git a/Week2/homework/task03IntegerVariable.js b/Week2/homework/task03IntegerVariable.js
new file mode 100644
index 000000000..8588fa54f
--- /dev/null
+++ b/Week2/homework/task03IntegerVariable.js
@@ -0,0 +1,6 @@
+let x;
+console.log("the value of my variable x will be: 13");
+console.log(x);
+x=13;
+console.log("the value of my variable x will be: 13");
+console.log(x);
\ No newline at end of file
diff --git a/Week2/homework/task04StringVariable.js b/Week2/homework/task04StringVariable.js
new file mode 100644
index 000000000..d77b1d982
--- /dev/null
+++ b/Week2/homework/task04StringVariable.js
@@ -0,0 +1,6 @@
+let y = 'dog';
+console.log("the value of my variable x will be: cat");
+console.log(y);
+y='cat';
+console.log("the value of my variable x will be: cat");
+console.log(y);
\ No newline at end of file
diff --git a/Week2/homework/task05RoundNumber.js b/Week2/homework/task05RoundNumber.js
new file mode 100644
index 000000000..339a562fd
--- /dev/null
+++ b/Week2/homework/task05RoundNumber.js
@@ -0,0 +1,10 @@
+let z = 7.25;
+console.log(z);
+let a = Math.round(z);
+console.log(a);
+if (z < a) {
+    fin = a;
+  } else {
+    fin = z;
+  };
+console.log(fin);
\ No newline at end of file
diff --git a/Week2/homework/task06FavoriteAnimalsArray.js b/Week2/homework/task06FavoriteAnimalsArray.js
new file mode 100644
index 000000000..272ba87fc
--- /dev/null
+++ b/Week2/homework/task06FavoriteAnimalsArray.js
@@ -0,0 +1,7 @@
+let animals = [];
+console.log("the value of my array is: cat, dog, rabbit, bird");
+console.log(animals);
+let myFavoriteAnimals = ['cat', 'dog', 'rabbit', 'bird'];
+console.log(myFavoriteAnimals);
+myFavoriteAnimals.push('baby pig');
+console.log(myFavoriteAnimals);
\ No newline at end of file
diff --git a/Week2/homework/task07StringLength.js b/Week2/homework/task07StringLength.js
new file mode 100644
index 000000000..013e4fbac
--- /dev/null
+++ b/Week2/homework/task07StringLength.js
@@ -0,0 +1,2 @@
+let myString = "this is a test";
+console.log(myString.length);
\ No newline at end of file
diff --git a/Week2/homework/task08VariablesTypes.js b/Week2/homework/task08VariablesTypes.js
new file mode 100644
index 000000000..f8625a100
--- /dev/null
+++ b/Week2/homework/task08VariablesTypes.js
@@ -0,0 +1,33 @@
+x = 13;
+y = 'cow';
+z = true;
+c = 26;
+console.log("The value of my variable x is: " + x);
+console.log("The value of my variable x is: " + y);
+console.log("The value of my variable x is: " + z);
+console.log("The value of my variable x is: " + c);
+console.log("I think the types of my variables are all different");
+console.log(typeof x);
+console.log(typeof y);
+console.log(typeof z);
+console.log(typeof c);
+if (typeof x===typeof y) {
+    console.log('SAME TYPE');
+  } else {
+    console.log('different TYPEs');
+  };
+  if (typeof y===typeof z) {
+    console.log('SAME TYPE');
+  } else {
+    console.log('different TYPEs');
+  };
+  if (typeof z===typeof c) {
+    console.log('SAME TYPE');
+  } else {
+    console.log('different TYPEs');
+  };
+  if (typeof c===typeof x) {
+    console.log('SAME TYPE');
+  } else {
+    console.log('different TYPEs');
+  };
\ No newline at end of file
diff --git a/Week2/homework/task09RemainerOfDividing.js b/Week2/homework/task09RemainerOfDividing.js
new file mode 100644
index 000000000..8f54e72dd
--- /dev/null
+++ b/Week2/homework/task09RemainerOfDividing.js
@@ -0,0 +1,7 @@
+x = 7;
+x = x % 3;
+console.log (x);
+y = 6;
+console.log ('remainer of 6 / 2 is ' + y % 2);
+z = 14;
+console.log ('remainer of 13 / 4 is ' + z % 4);
\ No newline at end of file
diff --git a/Week2/homework/task10ComparesingNumbers.js b/Week2/homework/task10ComparesingNumbers.js
new file mode 100644
index 000000000..3b6ad0480
--- /dev/null
+++ b/Week2/homework/task10ComparesingNumbers.js
@@ -0,0 +1,6 @@
+let x = [13, 'cow', {}, [], true, null];
+console.log('You can store multiple types in array. For example, array "x" contains   ' + x);
+console.log('-Infinity equals +Infinity; This is');
+console.log(-Infinity===+Infinity);
+console.log('6/0 equals 10/0; This is');
+console.log(6/0===10/0);
diff --git a/Week2/stringsTask-1.js b/Week2/stringsTask-1.js
new file mode 100644
index 000000000..ea23461a7
--- /dev/null
+++ b/Week2/stringsTask-1.js
@@ -0,0 +1,4 @@
+const myString = "hello,this,is,a,difficult,to,read,sentence";
+console.log('my string is: '+myString);
+console.log('length of the string is: '+myString.length+' characters');
+console.log('corrected string is: '+myString.replace(/,/g,' '));
diff --git a/Week2/stringsTask-2.js b/Week2/stringsTask-2.js
new file mode 100644
index 000000000..66334fcaa
--- /dev/null
+++ b/Week2/stringsTask-2.js
@@ -0,0 +1,8 @@
+const str = 'dlroW olleH';
+console.log('my string is: '+str);
+const splitString = str.split('');
+console.log('make it array: '+splitString);
+const reverseArray = splitString.reverse();
+console.log('reverse array: '+reverseArray);
+const joinArray = reverseArray.join('');
+console.log('corrected string is: '+joinArray);
\ No newline at end of file
diff --git a/Week2/task01HelloWorld.js b/Week2/task01HelloWorld.js
new file mode 100644
index 000000000..d534e7e8f
--- /dev/null
+++ b/Week2/task01HelloWorld.js
@@ -0,0 +1,6 @@
+function helloWorld (greetings, language) {
+    console.log ( greetings + ' // ' + language)
+    };
+  helloWorld ('Halo, dunia!', 'Indonesian');
+  helloWorld ('Ciao, mondo!', 'Italian');
+  
\ No newline at end of file
diff --git a/Week2/task02SyntaxError.js b/Week2/task02SyntaxError.js
new file mode 100644
index 000000000..1be0ffb68
--- /dev/null
+++ b/Week2/task02SyntaxError.js
@@ -0,0 +1 @@
+console.log("I'm awesome");
\ No newline at end of file
diff --git a/Week2/task03IntegerVariable.js b/Week2/task03IntegerVariable.js
new file mode 100644
index 000000000..8588fa54f
--- /dev/null
+++ b/Week2/task03IntegerVariable.js
@@ -0,0 +1,6 @@
+let x;
+console.log("the value of my variable x will be: 13");
+console.log(x);
+x=13;
+console.log("the value of my variable x will be: 13");
+console.log(x);
\ No newline at end of file
diff --git a/Week2/task04StringVariable.js b/Week2/task04StringVariable.js
new file mode 100644
index 000000000..d77b1d982
--- /dev/null
+++ b/Week2/task04StringVariable.js
@@ -0,0 +1,6 @@
+let y = 'dog';
+console.log("the value of my variable x will be: cat");
+console.log(y);
+y='cat';
+console.log("the value of my variable x will be: cat");
+console.log(y);
\ No newline at end of file
diff --git a/Week2/task05RoundNumber.js b/Week2/task05RoundNumber.js
new file mode 100644
index 000000000..339a562fd
--- /dev/null
+++ b/Week2/task05RoundNumber.js
@@ -0,0 +1,10 @@
+let z = 7.25;
+console.log(z);
+let a = Math.round(z);
+console.log(a);
+if (z < a) {
+    fin = a;
+  } else {
+    fin = z;
+  };
+console.log(fin);
\ No newline at end of file
diff --git a/Week2/task06FavoriteAnimalsArray.js b/Week2/task06FavoriteAnimalsArray.js
new file mode 100644
index 000000000..272ba87fc
--- /dev/null
+++ b/Week2/task06FavoriteAnimalsArray.js
@@ -0,0 +1,7 @@
+let animals = [];
+console.log("the value of my array is: cat, dog, rabbit, bird");
+console.log(animals);
+let myFavoriteAnimals = ['cat', 'dog', 'rabbit', 'bird'];
+console.log(myFavoriteAnimals);
+myFavoriteAnimals.push('baby pig');
+console.log(myFavoriteAnimals);
\ No newline at end of file
diff --git a/Week2/task07StringLength.js b/Week2/task07StringLength.js
new file mode 100644
index 000000000..013e4fbac
--- /dev/null
+++ b/Week2/task07StringLength.js
@@ -0,0 +1,2 @@
+let myString = "this is a test";
+console.log(myString.length);
\ No newline at end of file
diff --git a/Week2/task08VariablesTypes.js b/Week2/task08VariablesTypes.js
new file mode 100644
index 000000000..f8625a100
--- /dev/null
+++ b/Week2/task08VariablesTypes.js
@@ -0,0 +1,33 @@
+x = 13;
+y = 'cow';
+z = true;
+c = 26;
+console.log("The value of my variable x is: " + x);
+console.log("The value of my variable x is: " + y);
+console.log("The value of my variable x is: " + z);
+console.log("The value of my variable x is: " + c);
+console.log("I think the types of my variables are all different");
+console.log(typeof x);
+console.log(typeof y);
+console.log(typeof z);
+console.log(typeof c);
+if (typeof x===typeof y) {
+    console.log('SAME TYPE');
+  } else {
+    console.log('different TYPEs');
+  };
+  if (typeof y===typeof z) {
+    console.log('SAME TYPE');
+  } else {
+    console.log('different TYPEs');
+  };
+  if (typeof z===typeof c) {
+    console.log('SAME TYPE');
+  } else {
+    console.log('different TYPEs');
+  };
+  if (typeof c===typeof x) {
+    console.log('SAME TYPE');
+  } else {
+    console.log('different TYPEs');
+  };
\ No newline at end of file
diff --git a/Week2/task09RemainerOfDividing.js b/Week2/task09RemainerOfDividing.js
new file mode 100644
index 000000000..8f54e72dd
--- /dev/null
+++ b/Week2/task09RemainerOfDividing.js
@@ -0,0 +1,7 @@
+x = 7;
+x = x % 3;
+console.log (x);
+y = 6;
+console.log ('remainer of 6 / 2 is ' + y % 2);
+z = 14;
+console.log ('remainer of 13 / 4 is ' + z % 4);
\ No newline at end of file
diff --git a/Week2/task10ComparesingNumbers.js b/Week2/task10ComparesingNumbers.js
new file mode 100644
index 000000000..3b6ad0480
--- /dev/null
+++ b/Week2/task10ComparesingNumbers.js
@@ -0,0 +1,6 @@
+let x = [13, 'cow', {}, [], true, null];
+console.log('You can store multiple types in array. For example, array "x" contains   ' + x);
+console.log('-Infinity equals +Infinity; This is');
+console.log(-Infinity===+Infinity);
+console.log('6/0 equals 10/0; This is');
+console.log(6/0===10/0);
diff --git a/Week3/task01ReplaceCharactersInStrings.js b/Week3/task01ReplaceCharactersInStrings.js
new file mode 100644
index 000000000..ea23461a7
--- /dev/null
+++ b/Week3/task01ReplaceCharactersInStrings.js
@@ -0,0 +1,4 @@
+const myString = "hello,this,is,a,difficult,to,read,sentence";
+console.log('my string is: '+myString);
+console.log('length of the string is: '+myString.length+' characters');
+console.log('corrected string is: '+myString.replace(/,/g,' '));
diff --git a/Week3/task01Strings.js b/Week3/task01Strings.js
new file mode 100644
index 000000000..ea23461a7
--- /dev/null
+++ b/Week3/task01Strings.js
@@ -0,0 +1,4 @@
+const myString = "hello,this,is,a,difficult,to,read,sentence";
+console.log('my string is: '+myString);
+console.log('length of the string is: '+myString.length+' characters');
+console.log('corrected string is: '+myString.replace(/,/g,' '));
diff --git a/Week3/task02AddDeleteElementsInArrays.js b/Week3/task02AddDeleteElementsInArrays.js
new file mode 100644
index 000000000..4bb8ecc50
--- /dev/null
+++ b/Week3/task02AddDeleteElementsInArrays.js
@@ -0,0 +1,27 @@
+let favoriteAnimals = ["blowfish", "capricorn", "giraffe"];
+console.log('an array is: '+favoriteAnimals);
+function mauroFavoriteAnimal() {
+    favoriteAnimals.splice([favoriteAnimals.length], 0, 'turtle');
+    console.log('a new array is: '+favoriteAnimals);
+};
+mauroFavoriteAnimal();
+function jimFavoriteAnimal() {
+    favoriteAnimals.splice(1, 0, 'meerkat');
+    console.log('a new array is: '+favoriteAnimals);
+};
+jimFavoriteAnimal();
+console.log("I think this line is very strange. I don't know why am I writing it :(");
+console.log('The array has a length of: '+favoriteAnimals.length);
+function deleteGiraffe() {
+    let giraffe = favoriteAnimals.indexOf("giraffe");
+    favoriteAnimals.splice([giraffe], 1);
+    console.log('a new array is: '+favoriteAnimals);
+};
+deleteGiraffe();
+function deleteMeerkat() {
+    let meerkat = favoriteAnimals.indexOf("meerkat");
+    console.log('The item you are looking for is at index: '+meerkat);
+    favoriteAnimals.splice([meerkat], 1);
+    console.log('a new array is: '+favoriteAnimals);
+};
+deleteMeerkat();
diff --git a/Week3/task02Arrays.js b/Week3/task02Arrays.js
new file mode 100644
index 000000000..4bb8ecc50
--- /dev/null
+++ b/Week3/task02Arrays.js
@@ -0,0 +1,27 @@
+let favoriteAnimals = ["blowfish", "capricorn", "giraffe"];
+console.log('an array is: '+favoriteAnimals);
+function mauroFavoriteAnimal() {
+    favoriteAnimals.splice([favoriteAnimals.length], 0, 'turtle');
+    console.log('a new array is: '+favoriteAnimals);
+};
+mauroFavoriteAnimal();
+function jimFavoriteAnimal() {
+    favoriteAnimals.splice(1, 0, 'meerkat');
+    console.log('a new array is: '+favoriteAnimals);
+};
+jimFavoriteAnimal();
+console.log("I think this line is very strange. I don't know why am I writing it :(");
+console.log('The array has a length of: '+favoriteAnimals.length);
+function deleteGiraffe() {
+    let giraffe = favoriteAnimals.indexOf("giraffe");
+    favoriteAnimals.splice([giraffe], 1);
+    console.log('a new array is: '+favoriteAnimals);
+};
+deleteGiraffe();
+function deleteMeerkat() {
+    let meerkat = favoriteAnimals.indexOf("meerkat");
+    console.log('The item you are looking for is at index: '+meerkat);
+    favoriteAnimals.splice([meerkat], 1);
+    console.log('a new array is: '+favoriteAnimals);
+};
+deleteMeerkat();
diff --git a/Week3/task03SumOfArguments.js b/Week3/task03SumOfArguments.js
new file mode 100644
index 000000000..29ff0d3b6
--- /dev/null
+++ b/Week3/task03SumOfArguments.js
@@ -0,0 +1,7 @@
+let x;
+function abcSum(a,b,c) {
+    x = a + b + c;
+    return x;
+};
+abcSum(1,2,3);
+console.log(x);
\ No newline at end of file
diff --git a/Week3/task04ColorCar.js b/Week3/task04ColorCar.js
new file mode 100644
index 000000000..4390f805f
--- /dev/null
+++ b/Week3/task04ColorCar.js
@@ -0,0 +1,4 @@
+function colorCar(color) {
+    console.log('a '+color+' car');
+};
+colorCar('red');
\ No newline at end of file
diff --git a/Week3/task05ObjectProperties.js b/Week3/task05ObjectProperties.js
new file mode 100644
index 000000000..d036f9e45
--- /dev/null
+++ b/Week3/task05ObjectProperties.js
@@ -0,0 +1,14 @@
+let person = {
+    firstname:"John",
+    lastname:"Doe",
+    age:50,
+    eyecolor:"blue"
+};
+function showProVa() {
+    console.log('Parameters of an object is '+Object.getOwnPropertyNames(person));
+    console.log('The actual values of the parameters is:');
+    let x;
+    for (x in person) {
+    console.log(person[x]);
+};};
+showProVa();
\ No newline at end of file
diff --git a/Week3/task06VehicleBeginning.js b/Week3/task06VehicleBeginning.js
new file mode 100644
index 000000000..4ce5c6495
--- /dev/null
+++ b/Week3/task06VehicleBeginning.js
@@ -0,0 +1,8 @@
+function vehicleType(color, code) {
+    if (code === 1) {
+        console.log('a '+color+' car');
+    } else {
+        console.log('a '+color+' motorbike');
+    };
+};
+vehicleType("blue",2);
\ No newline at end of file
diff --git a/Week3/task07SingleLine.js b/Week3/task07SingleLine.js
new file mode 100644
index 000000000..296ecb3b4
--- /dev/null
+++ b/Week3/task07SingleLine.js
@@ -0,0 +1 @@
+console.log( 3 === 3 ? 'yes' : 'no');
\ No newline at end of file
diff --git a/Week3/task08Vehicles.js b/Week3/task08Vehicles.js
new file mode 100644
index 000000000..ca084d254
--- /dev/null
+++ b/Week3/task08Vehicles.js
@@ -0,0 +1,21 @@
+const vehicleCodes = ['plane', 'car', 'motorbike','caravan','bike'];
+
+function vehicle(color, code, age) {
+    const valueOfColor = color;
+    const valueOfCode = vehicleCodes[code];
+    const valueOfAge = age <= 1 ? 'new' : 'used';
+    console.log('a '+valueOfColor, valueOfAge, valueOfCode)
+};
+vehicle("green", 3, 1);
+
+function advertisement() {
+    for (let i = 0; i < vehicleCodes.length; i += 1) {
+        vehicleCodes[i] = vehicleCodes[i] + "s";
+    }
+    let strLast = vehicleCodes[vehicleCodes.length-1];
+    let arr1 = vehicleCodes.slice(0, [vehicleCodes.length-1]);
+    let str1 = arr1.toString();
+    let str2 = str1.replace(/,/g,', ');
+    console.log(`Amazing Joe's Garage, we service ${str2} and ${strLast}.`);
+};
+advertisement();
\ No newline at end of file
diff --git a/Week3/task09MakeObject.js b/Week3/task09MakeObject.js
new file mode 100644
index 000000000..999e302a9
--- /dev/null
+++ b/Week3/task09MakeObject.js
@@ -0,0 +1,4 @@
+let Object = {};
+Object.teachers = ["Wilgert Velinga", "Bonan Zhao", "Yash Kapila"];
+Object.languages = ["Html / Css", "Git", "JavaScript"]
+console.log(Object);
\ No newline at end of file
diff --git a/Week3/task10ComparingArrays.js b/Week3/task10ComparingArrays.js
new file mode 100644
index 000000000..209586b62
--- /dev/null
+++ b/Week3/task10ComparingArrays.js
@@ -0,0 +1,9 @@
+let x = [1, 2, 3];
+let y = [1, 2, 3];
+let z = y;
+
+console.log(`What do you think will happen with x == y, x === y and z == y and z == x?
+Well, I think x == y will be false; but it is ${x == y}
+And, I think x === y will be false; but it is ${x === y}
+And, I think z == y will be true; but it is ${z == y}
+And, I think z == x will be false; but it is ${z == x}`);
\ No newline at end of file
diff --git a/Week3/task11SettingObjecktProperties.js b/Week3/task11SettingObjecktProperties.js
new file mode 100644
index 000000000..8c2d030d9
--- /dev/null
+++ b/Week3/task11SettingObjecktProperties.js
@@ -0,0 +1,26 @@
+let o1 = { foo: "bar" };
+let o2 = { foo: "bar" };
+let o3 = o2;
+
+console.log(`o2 now has: ${Object.keys(o2)}`);
+
+o2.animal = `dog`;
+console.log(`o2 was changed and o3 now has: ${Object.keys(o3)}`);
+
+o1.vehicle = `car`;
+console.log(`o1 was changed and o3 now has: ${Object.keys(o3)}`);
+
+console.log(`now in the other order`);
+
+o1 = { foo: "bar" };
+o2 = { foo: "bar" };
+o3 = {};
+o2 = o3;
+
+console.log(`o3 is epmty object now so o2 now has: ${Object.keys(o2)}`);
+
+o2.animal = `dog`;
+console.log(`o2 was changed and o3 now has: ${Object.keys(o3)}`);
+
+o1.vehicle = `car`;
+console.log(`o1 was changed and o3 now has: ${Object.keys(o3)}`);
\ No newline at end of file
diff --git a/Week3/task12TypeOf.js b/Week3/task12TypeOf.js
new file mode 100644
index 000000000..4c26029c3
--- /dev/null
+++ b/Week3/task12TypeOf.js
@@ -0,0 +1,5 @@
+let bar = 42;
+console.log(`\`typeof bar\` console.log the type of the value of the variable \`bar\`,
+which is ${typeof bar},
+and \`typeof typeof bar\` console.log the type of the return of the method of the object \`typeof\`
+which is  ${typeof typeof bar}`);
\ No newline at end of file