Here’s a trick to send a file to a server AND read a response from it, in the same context.
I used it with a Node.js server (Express + busboy) and it worked like a charm.
When using HTML forms, you can submit stuff to a server but you can’t read a response from it.
If you need some kind of “send data” → (do something server side) → “read response” it can be painful.
I wrote a workaround to manage this kind of situation. It is pretty simple:
– prepare a form as usual
– block the original event
– build an ajax request as a POST method
Here’s the code