How can I process a form in astro. How can I process it without using the DOM?

This is the form made in astro file:

Hello, I have a question. How can I process a form in astro. How can I process it without using the DOM?

This is the form made in astro file:

Split content and paginate in Astro.js

I have a file

Astro. How to import files (not images) in components using paths defined in collection data?

I have this collection schema

Bundle dependencies to portable Astro server

I have an Astro project with SSR rendering.

Resolving path to file in public folder with Astro

I have an astro project that has a folder structure like this:

How can I check if a cookie existis in client-side with Astro?

I’m trying to display a cookies banner if user didn’t accept it yet using <script>. So, how can I access Astro.cookies.has() on client-side?