No sweat.
Basically the whole concept of the standards-based web is to build up
the site in *layers*.
You have the content layer defined in XHTML, often generated through
server-side scripting languages such as PHP. Without any further
enhancement, this should display fully readable and useful in a web
browser.
The next layer is the presentation layer defined in CSS and usually
also using things like background images. If you stopped developing
at this point, the website should still be fully functional and useful.
After that comes the behaviour layer (defined in Javascript) that
introduces things like transitions and animations and AJAX and all
that good stuff.
The basic concept then, is that the behaviour layer is not written
until two stages after the content layer. It makes no sense to have
onclick, onchange and onmouseover events defined in the content layer
(or in the XHTML) since that's a totally separate layer.
So instead, like external CSS replacing inline 'style' attributes,
external Javascript files replace the inline event handler attributes
(onclick etc.).
That means adding, changing or removing a behaviour is all done in
the behaviour layer and it's never going to adversely affect someone
who has Javascript turned off.
Hope that helps,
Kit
On 16/11/2007, at 8:33 AM, Michael Horowitz wrote:
I appreciate that. Just wanted to let people know I solved the
issue with / quotes.
I would appreciate people explaining more about what the changes
are in good practices for web standards that people were
criticizing the tutorials on. I've ordered one of the recommended
books but wanted some background in the change in coding
practices. As a newbie to javascript I figure I can learn it right
the first time
Michael Horowitz
Your Computer Consultant
http://yourcomputerconsultant.com
561-394-9079
Mark Harris wrote:
With respect to all involved, this is the Web Standards Group, not
the JavaScript 101 group. Could I suggest, Michael, that you look
for a more appropriate venue as you continue on your (laudable)
quest to learn something new? Thanks.
Regards
Mark Harris
Technology Research and Consultancy Services Ltd
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