<!DOCTYPE html> <html lang="en"> <head> <title>Day 1</title> <script src="main.js"></script> <script src="variable.js"></script> <script src="datatypes.js"></script> </head> <body> <h1>Day 1: Exercises</h1> <ul> <li>Write a single line comment which says, comments can make code readable</li> <li>Write another single comment which says, Welcome to 30DaysOfJavaScript</li> <li>Write a multiline comment which says, comments can make code readable, easy to reuse and informative</li> <li>Create a variable.js file and declare variables and assign string, boolean, undefined and null data types</li> <li>Create datatypes.js file and use the JavaScript typeof operator to check different data types. Check the data type of each variable</li> <li>Declare four variables without assigning values</li> <li>Declare four variables with assigned values</li> <li>Declare variables to store your first name, last name, marital status, country and age in multiple lines</li> <li>Declare variables to store your first name, last name, marital status, country and age in a single line</li> <li>Declare two variables myAge and yourAge and assign them initial values and log to the browser console.</li> </ul> </body> </html>