CORS error even after setting Access-Control-Allow-Origin or other Access-Control-Allow-* headers on client side

Access-Control-Allow-Origin is a response header the server the request goes to must send. And all other Access-Control-Allow-* headers are response headers for servers to send. If you don’t control the server your request is sent to, and the problem with the response is just the lack of the Access-Control-Allow-Origin header or other Access-Control-Allow-* headers you … Read more