Hi Jens, It would cause a conflict in CSS because of multiple class selectors:
http://www.w3.org/TR/CSS2/selector.html#class-html
For example:
<div class="class1 class2">This has two classes</div>
can be targeted with:
div.class1.class2 { color: red; }
Using a dot in the class name itself would be an ambiguous selector. Does
"div.rating-L4.5" mean "the div with class rating-L4.5" or "the div with
class rating-L4 and class 5"?
As such, while it is valid (as per Sam's email that just came through) I
really wouldn't recommend it. Stick to lowercase letters, numbers and dashes
in your class names I reckon.
--
Tatham Oddie
au mob: +61 414 275 989, us cell: +1 213 280 9140, skype: tathamoddie
-----Original Message-----
From: li...@webstandardsgroup.org [mailto:li...@webstandardsgroup.org] On
Behalf Of Jens-Uwe Korff
Sent: Friday, 12 March 2010 11:12 AM
To: wsg@webstandardsgroup.org
Subject: [WSG] Using a dot "." in a class name
Hi all,
I've noticed that YouTube uses a dot for its star rating:
<button class="[...] ratingL ratingL-4.5">
It seems to work in browsers, but I'd like to know if this character is
valid and if it might have future implications if used that way.
Thanks,
Jens
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