Hi,
> > It's as if when the id selector is passed then the $ method just uses a
> > document.getElementById.
>
> Well IDs are supposed to be unique throughout the entire document (i.e.
> there can be one and only one element in the entire document with an ID of
> "myId"), so why shouldn't it simply use document.getElementById?
Well, you might whant to work with an element only if it is inside another
one, which you already have:
<div id="IamAllreadyKnown"><div id="42">asdf</div></div>
$('#42',known) -> should find one Element
<div id="IamAllreadyKnown"></div><div id="42">asdf</div>
$('#42',known) -> should find no Elements
Christof
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