[whatwg] input type="hidden" and validation

Oldřich Vetešník vetesnik at mrmil.cz
Wed Oct 22 08:52:11 PDT 2008

Dne Wed, 22 Oct 2008 17:40:55 +0200 Tab Atkins Jr. <jackalmage at gmail.com>  

> On Wed, Oct 22, 2008 at 10:41 AM, Oldřich Vetešník  
> <vetesnik at mrmil.cz>wrote:
>> Hello,
>> I'd like to throw a question out here, please don't shoot me if it's  
>> been
>> already answered, I'm a full-time coder and don't have an internet at  
>> home
>> so I can't make any deep researches in your archives.
>> Q: Is it possible that hidden inputs don't have to be in a semantic tag?
>> That is it passes the validation test without showing this error up:
>> line 20 column 32 - Error: document type does not allow element "input"
>> here; missing one of "p", "h1", "h2", "h3", "h4", "h5", "h6", "div",  
>> "pre",
>> "address", "fieldset", "ins", "del" start-tag
>> It's because hidden inputs aren't meant to be shown to the front-end  
>> user
>> so it doesn't mean if it's not covered in a semantic tag. Sometimes it's
>> O.K., you have a form with a few fieldsets so you can put it in one, but
>> sometimes it's rather stupid having to do <div><input type="hidden"
>> name="somename" value="somevalue" /></div> just to silence the  
>> validator.
>> Thank you,
>> Ollie
> Big question here is, why is this necessary?  You only use hidden inputs  
> in
> a form.  If you have a form, you'll have other inputs (at least a <input
> type=submit> or <button type=submit>), which *do* have to obey those
> semantic limits, and thus will be wrapped in an appropriate tag.  Why  
> can't
> you just stuff your hidden inputs in there along with them?  The exact
> location of a hidden input is of absolutely no consequence in any way
> (except for it being in the appropriate <form>, of course), so you should
> always have an appropriate place for them.
> ~TJ

I can't really remember at the very moment, but I remember having some  
trouble with it with in my php script. I will try to look into it again  
and let you know where the problem was.

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