Task
Make a small component we often exprience on websites which is Form Validation, where the data entered into the form fields get verified whether they are according to the format or not.
An example is given at the below link.
WebPage PreviewMain Lessons
This exercise is to understand the practical usage of different DOM concepts in JS for making interactive components in our website.
Guidelines
Feel free to have your own content (style, theme, text, images etc.). But all the functionality and interactions should be there to ensure that you can make interactive things using JavaScript.