When you generate the field - you'd need to annotate with some kind of
markup - which then js could work with for validating in the browser.

A simple but crude approach would be to use the class of the element:

<input ...class="displayClass numeric-30"

Then with js - obtain a collection of all classes starting with numeric
and parse it's full name for the extra data.


On Mon, 2009-11-02 at 06:01 -0800, HAUSa wrote: 
> Is it possible to check form values without the user submitting it?
> It seems that the validators set in the form class only work when you
> submit.
> 
> I want to have that when a user completes a field (onblur), the
> entered value is checked immediately.
> I know I can do this with AJAX, but how do I make the call to find the
> corresponding validator?
> > 



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