> Not sure what your on about? Not sure if you know yourself?
...
> 1. user clicks submit
> 2. one message is displayed with all the problems in the form, i.e. within
> one second


Yes I'm sure.

1. User clicks submit (or hits enter)
2. User waits 240ms for server side validation (not a big deal IMO unless
they are entering 200 records, in which case they wont get it wrong often
and should probably use different technology).
3. One message is displayed, with all problems in form, form changes to
highlight missing/problem fields

Same as your JS scenario, with 1 less mouse manipulation + button click. Not
having to switch between keyboard and mouse is waaaay friendlier IMO.

Ideally, I imagine a form where the required fields are a different colour,
and they change colour as the required data is entered / selection made.
Instant visual feedback that the form is ready. Even blurring the submit
button (with explanation) until the form is ready for submission. Friendlier
than popping a box up that I have to navigate to and click.

I provided an example where programmers have done one alert for each field
that was missing/incorrect, my post was pointed more at those sites. Those
sites (from my experience) seem to be much more prevalent than the cool ones
mentioned after - Pengowrks etc.

NOTE: I am not saying you do the one alert/error, or that your JS is
unfriendly. I am only saying my experience with JS validation is negative -
and has been for the most part unfriendly.

Aaron



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