ASP.NET Core WebAPI CORS error fixed and explained | Deep Dive WebAPI Basics - 01
How to fix CORS error in ASP.NET Core WebAPI, what is CORS, why does it exist...
After deploy a new ASP.NET Core WebAPI, you will often encounter the CORS access error and the frontend JavaScript code won't be able to access the backend resource.
In this video, I'll provide a quick fix. Then, I'll explain what CORS is, why is it and how does it work, what is the problem it addresses, and what aren't the problems for it to solve.
00:00 Introduction
02:01 Fix CORS error under 30 seconds
03:37 SOP - Same origin policy
05:11 Origin
06:44 Browser interacts with WebSite
10:06 Remove CORS policy
11:36 HttpClient that does NOT implement SOP/CORS