jQuery的选择对象

Selector	Example	Description
Element	$("td")	Select an HTML element tag
#id	$("#divMessage")	Selects an element by its id
.cssclass	$(".gridalternate")	Selects a CSS style
selector,selector	$("input:button,input:text")	Multiple comma separated selectors can be combined into a single selection.
ancestor descendant	$("#divMessage a")	A space between selectors/elements/tags finds nested elements. This syntax is similar to Css ancestor descendant syntax.
parent > child > child	$("p > b")	Matches all immediate children of an element or selector expression that match the right element/selector.
prev ~ siblings ~ siblings	$("#row_11:nth-child(2)~td") $("~td")	Matches the next siblings at the sample level as the preceeding expression. Example, matches 3-nth columns of a table row. Best used as a find() or filter() against an existing jQuery instance.
prev + nextsibling + nextsibling	$("#tdMoneyCol+td") $("+td")	Matches the following sibling. Works best with find() or filter() against an existing jQuery object.
:filter	$("input:button")	: applies filters to the query. jQuery support CSS 3 filters plus a number of custom filters. Examples: :not,:button,:visible,:hidden,:checked,:first,nth-child(1),:has,:is,:contains,:parent
[@attribute]	$("p[class=gridalternate]	Selects an attribute of an element = equals string ^= startswith $= endswith *= contains

 

源文档 <http://www.west-wind.com/presentations/jQuery/default.aspx>