In the next 3 minutes, you will be able to tackle CORS errors much more effectively.
CORS is not rocket science.
It's the biggest pain for developers because the majority of us don't know its core concept.
Let's try to build a solid fundamental.
Stands for Cross-Origin Resource Sharing.
It is a security feature implemented by web browsers (almost all) that controls how web pages from one domain can request resources hosted on another domain.