javascript - During the image upload process, in what form is the image ultimately uploaded to the server? In addition to binary streams and base64-encoded images, what other forms are there for uploading?

Question

As the title states, during the image upload process, in what form are the images ultimately uploaded to the server? In addition to binary streams and base64-encoded images, what other forms are there for uploading?

Answer 1

There is another kind: Blob object
Reference document: Blob - Web API interface | MDN

Answer 2

js can also be uploaded through Websocket.