Sending form data

https://developer.mozilla.org/en-US/docs/Learn/HTML/Forms/Sending_and_retrieving_form_data

This article looks at what happens when a user submits a form — where does the data go, and how do we handle it when it gets there? We also look at some of the security concerns associated with sending form data.

Prerequisites: Basic computer literacy, an understanding of HTML, and basic knowledge of HTTP and server-side programming.
Objective: To understand what happens when form data is submitted, including getting a basic idea of how data is processed on the server