CORS: Why It Exists, How It Works & How to Fix Common Issues

Hello! Today we are gonna talk about CORS. It’s the most common browser security rule, yet most devs only understand half of it. which is called Cross-Origin Resource Sharing. It is one of those things almost every frontend and backend developer faces while working with APIs. Many developers think CORS is a backend issue, but actually it is a browser-side security rule which requires proper server configuration as well. Before understanding how to fix CORS issues, first lets understand why it ex