Socket io CORS blocked

Question

i got this warning when using https domain and https socket io.

Cross-Origin Request Blocked: The Same Origin Policy disallows reading the remote resource at htt         


        

Answer 1

use this code its work.

app.use(
  cors({
    origin: 'http://localhost:3000', // allow to server to accept request from different origin
    methods: 'GET,HEAD,PUT,PATCH,POST,DELETE',
    credentials: true // allow session cookie from browser to pass through
  })
);