Hi,
I would suggest the following:
1. Learn Javascript. I have run into many experienced developers that
claim to know Javascript but
never heard of prototype or closure. If you don't know these two
terms inside out, you can't say
you really know Javascript. I always point people to the
following article that explains Javascript
basics very well:
http://msdn.microsoft.com/en-us/magazine/cc163419.aspx
2. Learn about CSS Selectors and Specificity. In short, Selectors are
how you specify in CSS to
what the style applies to. The Specificity is what determins the
weights of the diferent styles
and by that which one will win, if more then one selector matchs.
Just search google for
"CSS Selectors Specificity" and you should find a lot of relevant
information.
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Adar Wesley