diff --git a/week-6/.DS_Store b/week-6/.DS_Store
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index 0000000..cafe347
Binary files /dev/null and b/week-6/.DS_Store differ
diff --git a/week-6/mdn-object-oriented-js/index.html b/week-6/mdn-object-oriented-js/index.html
new file mode 100644
index 0000000..8b37f61
--- /dev/null
+++ b/week-6/mdn-object-oriented-js/index.html
@@ -0,0 +1,31 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <meta http-equiv="X-UA-Compatible" content="IE=edge">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>MDN Object Tutorial</title>
+</head>
+<body>
+    
+    <script>
+        function Person(first, last, age, gender, interests) { //constructor function
+            this.name = { 
+                first: first,
+                last: last
+            };
+            this.age = age; 
+            this.gender = gender;
+            this.interests = interests;
+            this.bio = function() { //method
+                alert(this.name.first + ' ' + this.name.last + ' is ' + this.age + ' years old. She likes ' + this.interests[0] + ' and ' + this.interests[1] + '.');
+            };
+            this.greeting = function() { //method
+                alert('Hi! I\'m ' + this.name.first + '.');
+            };
+        }
+
+        let person1 = new Person("Mahnoor", "Afteb", 20, "female", ["music", "movies"]) //object
+    </script>
+</body>
+</html>
diff --git a/week-6/reversing-an-array/index.html b/week-6/reversing-an-array/index.html
new file mode 100644
index 0000000..9a6f28b
--- /dev/null
+++ b/week-6/reversing-an-array/index.html
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+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <meta http-equiv="X-UA-Compatible" content="IE=edge">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>Reversing An Array</title>
+</head>
+<body>
+    
+    <script>
+        function reverseArray(array) {
+        let output = [];
+        for (let i = array.length - 1; i >= 0; i--) {
+            output.push(array[i]);
+        }
+        return output;
+        }
+
+        function reverseArrayInPlace(array) {
+        for (let i = 0; i < Math.floor(array.length / 2); i++) {
+            let old = array[i];
+            array[i] = array[array.length - 1 - i];
+            array[array.length - 1 - i] = old;
+        }
+        return array;
+        }
+
+        console.log(reverseArray(["A", "B", "C"]));
+        // → ["C", "B", "A"];
+        let arrayValue = [1, 2, 3, 4, 5];
+        reverseArrayInPlace(arrayValue);
+        console.log(arrayValue);
+        // → [5, 4, 3, 2, 1]  
+    </script>
+</body>
+</html>
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diff --git a/week-6/sum-of-a-range/index.html b/week-6/sum-of-a-range/index.html
new file mode 100644
index 0000000..6fa8b9c
--- /dev/null
+++ b/week-6/sum-of-a-range/index.html
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+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <meta http-equiv="X-UA-Compatible" content="IE=edge">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>Sum of a Range</title>
+</head>
+<body>
+    
+    <script>
+        function range(start, end, step = start < end ? 1 : -1) {
+        let array = [];
+
+        if (step > 0) {
+            for (let i = start; i <= end; i += step) array.push(i);
+        } else {
+            for (let i = start; i >= end; i += step) array.push(i);
+        }
+        return array;
+        }
+
+        function sum(array) {
+        let total = 0;
+        for (let value of array) {
+            total += value;
+        }
+        return total;
+        }
+
+        console.log(range(1, 10))
+        // → [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]
+        console.log(range(5, 2, -1));
+        // → [5, 4, 3, 2]
+        console.log(sum(range(1, 10)));
+        // → 55
+    </script>
+</body>
+</html>
\ No newline at end of file
