[whatwg] Make radio button group suffering from being missing

Mounir Lamouri mounir.lamouri at gmail.com
Tue Nov 30 16:53:39 PST 2010

On 11/29/2010 04:15 PM, Anne van Kesteren wrote:
> On Thu, 04 Nov 2010 01:20:37 +0100, Mounir Lamouri
> <mounir.lamouri at gmail.com> wrote:
>> Currently, when a radio button is required, it will suffer from being
>> missing if no radio elements in the radio button group is checked.
>> However, radio elements in the group will not suffer from being missing
>> if they do not have the required attribute. In other words, if you try
>> to style invalid elements with :invalid, and do:
>> <input type='radio' name='s' value='M' required>
>> <input type='radio' name='s' value='F'>
>> only the first element will be styled.
>> I think we should move the requirement to the radio button group that
>> way: "The radio button group suffers from being missing if one of the
>> input elements in the radio button group is required and all of them
>> have a checkedness that is false." and radio elements would have this
>> constraint: "If the radio button group is suffering from being missing,
>> the element is suffering from being missing.".
>> That way, all radio elements in the same radio button group will have
>> the same validity state. That would be less annoying for authors and
>> error proof while making things clearer (IMO).
>> I'm thinking of implementing that for Gecko 2.0/Firefox 4 so I would
>> like to know if you know any reason that would make the current behavior
>> more appropriate than the one described here.
> Do you have tests for this by any chance? I agree it makes sense to
> always treat them as a group.

Yes, you can found them in the patch attached to this bug:


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