There are a variety of online applications available, and the login registration method must be the most widely used. The registration form allows the user to become a member and receive access to specific benefits that vary per application.
The purpose of the login registration system in an application is to register visitors as members of the application and allow them to log in to verify their identity. The application users are granted web page access, utilities, and privileges based on the validity of the registered user. To know more about this and to see the full code visit here https://www.phptpoint.com/ajax-registration-form-with-php-mysql-and-jquery/