Multipart Form Data

someString

someNumber

someSmallFile

nested.someString

Pass to Axios as FormData

Pass to Axios as JSON. Let Axios convert to form data

POST Data

Check devtools to see details of request sent, and content of FormData.
In Chromium check: devtools -> network tab -> request to "server" -> payload tab

Response Data

Submit the form to see the response data here

This form demonstrates how to submit multipart/form-data with both text fields and files.