Sent by Arlen Walker on 14 October 2005 19:07
On Oct 14, 2005, at 12:11 PM, [EMAIL-REMOVED] wrote:
> I have head alot about DOM and DOM inspectors. I have also played
> around with Fire Fox and looked throughout the DOM interface, but I
> am still not qute sure of the benefit of it and if it has anything
> to do with CSS although I can see the sructuring of it.
Looking at the dom tree shows you what elements are nested inside of
what other elements. This is helpful in crafting selectors for CSS
rules. If, for example, you see that every blockquote you want to
apply a blue background to lies within a div with the class of
"quoter", you can use "div.quoter blockquote {background-color:
blue;}" and avoid cluttering up your html with lots of extraneous
classes/ids.
Also, if you don't like the way a particular style rule is overriding
one you want, the DOM tree can help you create a rule with higher
specificity to ensure it gets applied.
But one of the best uses for it is to analyse your document
structure. CSS becomes easier when the document it gets applied to
has a well thought out structure. The DOM Inspectors will help you
see the structure of the document.
Have Fun,
Arlen
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