[jQuery] Jquery-lite?

[jQuery] Jquery-lite?

Hi,
Can anyone tell me which functions are responsible for finding the elements
with the $() syntax?
I'd really like to downgrade jquery so that all I can do is:
$(document)
$('#single_element')
$('.class')
These are all I need, I don't need xpath, I don't need nested selectors. The
reason I want to remove them is simple, making the library smaller. Jquery
is now 15kb instead of the advertised 10kb on the main page, and I'd like
that size back, or less, if possible :)
I'm not all that good with javascript but would like to try anyway :)
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