Posted by Adrienne Boswell on 12/20/07 09:05

Gazing into my crystal ball I observed Blinky the Shark
<no.spam@box.invalid> writing in
news:pan.2007.12.20.02.24.33.318594@thurston.blinkynet.net:

> rf wrote:
>
>>
>> "shapper" <mdmoura@gmail.com> wrote in message
>> news:a7ad3090-9d96-41c1-bbbd-
506260d22b3f@l32g2000hsh.googlegroups.com
>> ...
>>> Hello,
>>>
>>> When should I give an ID to a tag?
>>> Only if I want to refer it?
>>>
>>> And is there any type of tags that should always have an ID? Inputs
>>> for example?
>>
>> http://www.w3.org/TR/html401/struct/global.html#adef-id
>
> Corollary question: what's the best -- id or name? Or does that just
> depend? If the latter, on what?
>

In a form it makes a lot of difference.

I can have:
Which one does not belong?
<input type="checkbox" id="field1" name="field" value="dog"> Dog
<input type="checkbox" id="field2" name="field" value="cat"> Cat
<input type="checkbox" id="field3" name="field" value="handbag"> Handbag

I can get to the different radios using their id values. But if all are
checked, then server side I will get field=dog, cat, handbag. Since
handbag is not an animal, then I could style field3 to alert the user
they had made a mistake.

Further, id can be used on almost any element, where name can only be
used on a few. I can put an id on a h2 element, but not a name, eg. <p>
The one thing I enjoy shopping for most is <a href="page.html#shoes"
title="Find out more about shoes">shoes</a>.</p> could go to <h2
id="shoes">Shoes</h2>



--
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http://www.cavalcade-of-coding.info
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