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

There's a node package called cors which makes it very easy.

$npm install cors

const cors = require('cors')

app.use(cors())

You don't need any config to allow all.

See the Github repo for more info: https://github.com/expressjs/cors