[whatwg] [WebForms2] custom form validation notifications without scripting

Brad Fults bfults at gmail.com
Tue Oct 3 20:05:08 PDT 2006

On 10/3/06, Joao Eiras <joao.eiras at gmail.com> wrote:
> Although WebForm2 provides automatic validation of form content from the
> UA side, the specification has a few gaps related to customizablility of
> notifications, by web authors, without scripting enabled.
> If the user fills a form in an improper way the UA should alert him of the
> problems. Opera in the early days of its initial web forms support showed
> an alert box stating that the information was invalid, now it flashes the
> input field, and presents a message overlapped in the webpage.
> However it presents a very generic error message like "You must set a
> value!" (for required) or "foo is not in the format this page requires"
> (for pattern).
> The author may want, in the case of an error, to present its custom error
> message to the end user.
> This could be achieved by declaring new custom attribute for the several
> controls, which could hold the message. The UA could then either pop up
> that message to the user or embed it in the page (like Opera does
> currently).
> The attribute could be named like requirederr, patternerr, or use some
> other sort of naming convention to easily associate the constraining
> property with the message attribute.

Is the use of the title attribute inappropriate for this case?

Brad Fults

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