$('div>span')

$('h2~p')

$('div + p ')

:first

:last

:not

:even

:odd

:at

:it

:gt

:header

:empty

:has

:eq

:hidden

: visible

$('p['tittle']')

$('p[tittle = "meu_titulo"]')

$('p[tittle != "meu_titulo"]')

$('p[tittle ^= "me"]')

$('p[tittle $= "ulo"]')

$('p[tittle *= "_tit"]')

Seleto[filtro1 atributo]...[filtroN atributo]

seletor:first-child

seletor:last-child

seletor:only-child

seletores de fórmularias: :hidden
:checkbox
:image
:slected
:button
:hidden
etc