# PreflightRequest

jello92

What I learned This week I studied about CORS. What is CORS? CORS (Cross-Origin Resource Sharing) is a concept that allows resources in one origin to access resources in another origin. Literally, it is the sharing of cross-origin resources. If you're requesting a resource from another origin, it is called a cross-origin request. What is Origin? CORS and SOP are both origin-relat