Cross-Origin Request Blocked with React and Express

Question

So I hit this error, when I was trying to send data to the back end using React. From what I learnt I need to allow the communication on the back-end and in the .htacc

Answer 1

One reason might be you're using the route as localhost:8000 rather than http://localhost:8000.

USE

http://localhost:8000

DON'T USE

localhost:8000