Earlier quoted context omitted.
> if your button within a form is semantically submit buttons (as the Create button here is), the semantically-best technique is instead to leave the button as a submit button, and instead of using a click handler on the button, to use a submit handler on the form and do event.preventDefault() within it. This is my biggest pet peeve with so many modern websites and web-based desktop apps. It's not just a matter of be…
I find this very interesting and is something I get right as a habit. Is there any resources pointing to such best practices and/or accessibility?
I will answer myself with the latest resource I found: https://webaim.org/intro/