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JavaScript (JQuery (core (utilities (http://learn.jquery.com/using-jquery…
JavaScript
JQuery
$
usage
another way of using the jQuery()
$.xxx() is different from $(xxx).yyy()
this
refers to the caller
not always the same
core
utilities
http://learn.jquery.com/using-jquery-core/utility-methods/
Iterating over jQuery and non-jQuery Objects
http://learn.jquery.com/using-jquery-core/iterating/
$ vs $()
http://learn.jquery.com/using-jquery-core/dollar-object-vs-function/
$( document ).ready()
http://api.jquery.com/jquery.map/
DOM
scope
http://www.digital-web.com/articles/scope_in_javascript/