diff --git a/JS_week1_exercise9.html b/JS_week1_exercise9.html
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+<!DOCTYPE html>
+<html>
+<head>
+	
+</head>
+<body>
+
+	<!-- After we define the variables and give the initial values, we assign another value to each variable based on
+	the second equality. So, the value of each variable changes according to the second line of code. The equality calculates
+	the remainder of each variable with the % symbol and the result for each is equal to 1 as shown in the HTML file.-->  
+
+	<p>The value of x:</p>
+	<p id="demo1"></p>
+	<hr/>
+
+	<p>The value of y:</p>
+	<p id="demo2"></p>
+	<hr/>
+
+	<p>The value of z:</p>
+	<p id="demo3"></p>
+
+    <script type="text/javascript">
+
+		var x = 7;
+		x = x % 3;
+		document.getElementById("demo1").innerHTML = x;
+		
+
+		var y = 21;
+		y = y % 4;
+		document.getElementById("demo2").innerHTML = y;
+		
+		var z = 13;
+		z = z % 2;
+		document.getElementById("demo3").innerHTML = z;		
+
+	</script>
+
+
+
+
+</body>
+</html>
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diff --git a/JS_week2_exercise4.html b/JS_week2_exercise4.html
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+<!DOCTYPE html>
+<html>
+<head>
+	
+</head>
+<body>
+
+	<p id="demo"></p>
+
+	<script type="text/javascript">
+
+		function book (title, author, alreadyRead)
+		{
+			this.title = title;
+			this.author = author;
+			this.alreadyRead = alreadyRead
+		}
+
+		var book1 = new book("War & Peace", "Leo Tolstoy", true);
+		var book2 = new book("Leo Africanus", "Amin Maalouf", false);
+		var book3 = new book("Angels and Demons", "Dan Brown", false);
+
+		var books = [book1, book2, book3];
+
+		var text = "";
+
+		for (var i=0; i<books.length; i++)
+			{
+				text += books[i].title+" by "+books[i].author+"<br>";
+				if (books[i].alreadyRead==true)
+					{
+						text += "You already read "+books[i].title+"<hr>";
+					}
+				else
+					{
+						text += "You still need to read "+books[i].title+"<hr>";
+					}
+			}
+		document.getElementById("demo").innerHTML = text;
+
+	</script>
+
+
+
+
+</body>
+</html>
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diff --git a/JS_week2_exercise5.html b/JS_week2_exercise5.html
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+++ b/JS_week2_exercise5.html
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+<!DOCTYPE html>
+<html>
+<head>
+	
+</head>
+<body>
+
+	<p id="demo"></p>
+
+	<script type="text/javascript">
+
+		const drinkTray = new Array();
+		const drinkTypes = ['cola', 'lemonade', 'water'];
+		text = "";
+
+		for (var i=0; i<5; i++)
+			{	
+				if (drinkTray.length<2)
+					{drinkTray.push(drinkTypes[0]);}
+				else 
+					{	
+						if (drinkTray.length<4)
+							{
+								drinkTray.push(drinkTypes[1]);
+							}
+						else
+							{
+								drinkTray.push(drinkTypes[2]);
+							}
+					}
+			}
+
+		document.getElementById("demo").innerHTML = "Hey guys, I brought "+drinkTray+"!";
+
+	</script>
+
+
+
+
+</body>
+</html>
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diff --git a/JS_week3_exercise3.html b/JS_week3_exercise3.html
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+++ b/JS_week3_exercise3.html
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+<!DOCTYPE html>
+<html>
+<head>
+	
+</head>
+<body>
+
+	<p id="demo"></p>
+
+	<script type="text/javascript">
+
+	const numChildren = [1, 2, 3, 4, 5];
+	const partnerNames = ["Adam", "Joe", "Barry", "Jack", "Phil"];
+	const locations = ["Netherlands", "USA", "Germany", "UK", "Canada"];
+	const jobs = ["teacher", "professor", "data scientist", "manager", "sales representative"];
+	var text = "";
+
+	function tellFortune (children, partner, location, job)
+	{
+		document.getElementById("demo").innerHTML = text+"You will be a "+job[Math.floor(Math.random() * 5)]+" in "+location[Math.floor(Math.random() * 5)]+ ", married to "+partner[Math.floor(Math.random() * 5)]+" with "+children[Math.floor(Math.random() * 5)]+" kid(s).";
+	}
+
+	tellFortune(numChildren, partnerNames, locations, jobs);
+
+	</script>
+
+
+
+
+</body>
+</html>
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diff --git a/JS_week3_exercise4.html b/JS_week3_exercise4.html
new file mode 100644
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+++ b/JS_week3_exercise4.html
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+<!DOCTYPE html>
+<html>
+<head>
+	
+</head>
+<body>
+
+	<p id="demo"></p>
+
+	<script type="text/javascript">
+
+	const shoppingCart = ['bananas', 'milk'];
+	text = "";
+
+	function addToShoppingCart (item)
+	{	shoppingCart.push(item);
+		if (shoppingCart.length>=4)
+			{
+				shoppingCart.shift();
+
+				for (var i=0; i<shoppingCart.length; i++)
+				{
+					text += shoppingCart[i]+ ", ";
+				}
+				document.getElementById("demo").innerHTML = "You bought "+shoppingCart+ "!";
+
+			}
+		else
+			{	
+				for (var i=0; i<shoppingCart.length; i++)
+				{
+					text += shoppingCart[i]+ ", ";
+				}
+				document.getElementById("demo").innerHTML = "You bought "+shoppingCart+ "!";
+			}
+	}
+
+	addToShoppingCart('chocolate');
+	// addToShoppingCart('waffles');
+	// addToShoppingCart('tea');
+
+
+	</script>
+
+
+
+
+</body>
+</html>
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diff --git a/JS_week3_exercise5.html b/JS_week3_exercise5.html
new file mode 100644
index 0000000..01dcfb3
--- /dev/null
+++ b/JS_week3_exercise5.html
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+<!DOCTYPE html>
+<html>
+<head>
+	
+</head>
+<body>
+
+	<p id="demo"></p>
+
+	<script type="text/javascript">
+
+	const cartForParty = {"beer":1.75, "chips":0.99, "coke":1.01, "nuts":4.25, "cookies":2.75}
+	sum = 0;
+
+
+	function calculateTotalPrice(items)
+	{
+		sum = items.beer+items.chips+items.coke+items.nuts+items.cookies;
+		document.getElementById("demo").innerHTML = "Total: €"+sum;
+
+	}
+
+
+	calculateTotalPrice(cartForParty);
+
+	</script>
+
+
+
+
+</body>
+</html>
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