Why use a form tag when you're submitting via ajax?

Question

Philosophical question:

Say I\'ve got a web app that requires javascript and a modern browser, so progressive enhancement is not an issue. If my form is be

Answer 1

Not that I can see. I'm currently building a web application that uses

s, but I'm using them so I have a fallback method if the user has JavaScript disabled (an e.preventDefault stops the form posting normally). For your situation, where you're saying the user MUST have JavaScript, a tag isn't necessary, but it might be an idea to keep it anyway in case browser need to do anything with it, or to access it as a sort of class.

In short, no, you don't need to use if you're doing pure AJAX, although leaving it in might an idea if you suddenly decide to create fallback code in the future.