> A site can even say "I want a platform authenticator" or "I specifically don't want a platform authenticator" during registration using the Javascript API. W

> A site can even say "I want a platform authenticator" or "I specifically don't want a platform authenticator" during registration using the Javascript API. Websites should not depend on JavaScript for something that should be able to be done declaratively. (Amongst other things - we shouldn't need to use `fetch`/`XMLHttpRequest` when a <form> would work just-as-well - but if only <form> let us use more than just GET and POST, and supported more types of serialization, and supported asynchronous form submission - and bring back <keygen>!).