So far, we've explored concepts such as Origin, CORS, and Fetch Credentials.

In the next article, we'll discuss Preflight Requests, but before that, it's important to understand the HTTP OPTIONS method, since browsers rely on it during the preflight process.

What is the OPTIONS Method?

OPTIONS is one of the standard HTTP request methods.

Unlike methods such as GET or POST, which retrieve or modify resources, the OPTIONS method is used to discover the communication capabilities of a server for a particular resource.