SALES: Reviewing the JavaScript Code

The video tutorial covers the use of JavaScript to add interactivity to a webpage. It explains how to handle form submissions, calculate total costs, and manage address forms. The tutorial also demonstrates email validation using regular expressions and toggling payment method fields. The instructor encourages viewers to experiment with the code to enhance their learning experience.

How does the email validation work in the form?

What is the significance of using regular expressions in email validation?

How does the method of payment selection affect the visibility of the payment fields?