[whatwg] [WF2] backwards compatibility with values of custom required attributes

Ian Hickson ian at hixie.ch
Mon Nov 3 18:12:16 PST 2008


On Fri, 4 Jan 2008, Hallvord R M Steen wrote:
>
> some code from airgreenland.com reminded me to bring up the discussion 
> of how to treat values of "required" attributes:
> 
> <input name="CONTROLGROUPCONTACT$ContactInputView$TextBoxAddressLine2"
> type="text" maxlength="52"
> id="CONTROLGROUPCONTACT_ContactInputView_TextBoxAddressLine2"
> class="w10" required="false" requiredError="Street address Field 2 is
> required.">
> 
> I've seen this before (and I'm sure many of you will recognise the 
> ASP.NET stuff). The problem is that <input required="false"> is treated 
> as <input required> by WF2 because the "false" value isn't recognised. I 
> think WF2 needs to do something sensible to ensure backwards 
> compatibility - ASP.NET form validation is going to cause us serious 
> problems otherwise.

I notice that Opera still supports required="" today. Did this turn out to 
be a surmountable problem?

-- 
Ian Hickson               U+1047E                )\._.,--....,'``.    fL
http://ln.hixie.ch/       U+263A                /,   _.. \   _\  ;`._ ,.
Things that are impossible just take longer.   `._.-(,_..'--(,_..'`-.;.'



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