[thelist] incorrect use of ID parameter?

[Miles Tillinger]

Arghh, it's a pain, but I want to comply!  /me gets another coffee...

> -----Original Message-----
> From: j.d. welch [mailto:so.there at showtunepink.com]
> Sent: Wednesday, February 12, 2003 4:25 PM
> To: thelist at lists.evolt.org
> Subject: Re: [thelist] incorrect use of ID parameter?
>
> On Wednesday, February 12, 2003, at 12:44 AM, Miles Tillinger wrote:
>
> > After running some of my HTML through validator.w3.org I have realized
> > that
> > I've been using the ID parameter incorrectly:
> >
> > e.g.
> >
> > Creating a CSS class for TD:    TD#CLASSNAME { font-weight: bold; }
> >
> > And applying it to a TD: <TD ID="CLASSNAME">hello world</TD>
>
> > So when I run this through the validator it picks up a heap of
> > duplicate ID
> > parameter values.  I haven't noticed any bad effects of this so far,
> > it just
> > means that running my pages through the validator is a bit of a
> > hassle!  Am
> > I going to experience other problems doing things this way?
>
> indeed it will, and they are valid errors, even if browser X renders it
> 'correctly.' ids are _not classes_ and for elements that appear _once_
> in the page (http://www.w3.org/TR/REC-CSS2/selector.html#id-selectors).
>   since presumably the td element is used multiple times, consider using
> a class instead, i.e td.classname {font-weight:bold}.  the end effect
> will be the same (or better),  you'll be conforming to the spec, and
> the validator will be happy.
>
> -jd
>
> ------------------------------------------------------------------
>     J.D. Welch			|    so.there at showtunepink.com
>     graphic designer    	|    http://www.showtunepink.com
>     web developer       	|    http://kitschparade.ath.cx
>     i'm available -> http://www.showtunepink.com/resume.html
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