diff --git a/.vscode/settings.json b/.vscode/settings.json
new file mode 100644
index 0000000..6b665aa
--- /dev/null
+++ b/.vscode/settings.json
@@ -0,0 +1,3 @@
+{
+  "liveServer.settings.port": 5501
+}
diff --git a/01_Day_Introduction/01_day_starter/index.html b/01_Day_Introduction/01_day_starter/index.html
index 43831f6..93709bb 100644
--- a/01_Day_Introduction/01_day_starter/index.html
+++ b/01_Day_Introduction/01_day_starter/index.html
@@ -1,19 +1,18 @@
 <!DOCTYPE html>
 <html>
-
-<head>
+  <head>
     <title>30DaysOfJavaScript</title>
-</head>
-
-<body>
-        <h1>30DaysOfJavaScript:03 Day</h1>
-        <h2>Introduction</h2>
-        <button onclick="alert('Welcome to 30DaysOfJavaScript!');">Click Me</button>
-        <script src="./helloworld.js"></script>
-        <script src="./introduction.js"></script>
-        <script src="./varaible.js"></script>
-        <script src="./main.js"></script>
-
-</body>
+  </head>
 
-</html>
\ No newline at end of file
+  <body>
+    <h1>30DaysOfJavaScript:03 Day</h1>
+    <h2>Introduction</h2>
+    <button onclick="alert('Welcome to 30DaysOfJavaScript!');">Click Me</button>
+    <script src="./helloworld.js"></script>
+    <script src="./introduction.js"></script>
+    <script src="./varaible.js"></script>
+    <script src="./main.js"></script>
+    <script src="./myVariable.js"></script>
+    <script src="./myDatatypes.js"></script>
+  </body>
+</html>
diff --git a/01_Day_Introduction/01_day_starter/myDatatypes.js b/01_Day_Introduction/01_day_starter/myDatatypes.js
new file mode 100644
index 0000000..341dd2a
--- /dev/null
+++ b/01_Day_Introduction/01_day_starter/myDatatypes.js
@@ -0,0 +1,15 @@
+console.log(typeof first);
+console.log(typeof last);
+console.log(typeof numbers);
+console.log(typeof inLove);
+console.log(typeof isNull);
+
+let door;
+let car;
+let foot;
+let dog;
+
+// let door = "open";
+// let car = "fast";
+// let foot = 2;
+// const dog = "Chimi";
diff --git a/01_Day_Introduction/01_day_starter/myVariable.js b/01_Day_Introduction/01_day_starter/myVariable.js
new file mode 100644
index 0000000..e3c7009
--- /dev/null
+++ b/01_Day_Introduction/01_day_starter/myVariable.js
@@ -0,0 +1,24 @@
+// Comments can make code readable
+// Welcome to 30DaysOfJavaScript
+
+/* 
+    commentts can make code readable, easy to reuse and informative
+*/
+
+// let first = "Ashley";
+// let last = "Casimir";
+// let numbers = 34;
+// let inLove = true;
+// let country = "USA";
+
+let first = "Ashley",
+  last = "Casimir",
+  numbers = 34,
+  inLove = true,
+  home = "USA";
+
+let myAge = 34,
+  yourAge = 27;
+
+console.log(`I am ${myAge} years old`);
+console.log(`you are ${yourAge} years old`);
