jquery-Edit Selection results (add, filter, filter, or detect)

Edit Selection Results

Operation		Instance	Effect	Note
Add to	Add Selector	$ ("P"). Add (". a")	To add a selector with the class name a	Does not affect the source result set
		$ ("P"). Add ("Label", $ (". Class"));	Add class contains selectors for all label elements named class
	Adding HTML objects	$("P"). Add( document. getElementsByTagName("label"))	Add an HTML object with an element name of label
	Add a JQuery Object	$ ("P"). Add ($ ("strong"))	Add a jquery object with an element named Strongl
Screening	Get element	$ ("P"). First ()	Gets the first element
		$ ("P"). Last ()	Gets the last element
		$ ("P"). EQ (3)	Gets the 3rd element	can be negative, table countdown
	Get subset	$ ("P"). Slice (2)	Gets the result set of the 2nd element up to the end of the result set
		$ ("P"). Slice (2,5)	Get a result set consisting of 第2-5个 elements
Filter Current	Get the corresponding element	$ ("P"). Filter (". AA")	Get a result set containing the class name AA
		$ ("div"). Filter (document. getElementsByTagName("label"))	Get the result set that contains the LABEL element
		$ ("div"). Filter ($test)	Get the result set containing the $test object
		$ ("div"). Filter (function (index) {if (this.id== "Xixi") {return true;} Else{return false;}} )	Traverse result set, get false return value to reject	Index is indexed, this represents the current object
	Remove the corresponding element	$ ("P"). Not (". AA")		Just the opposite of filter
		$ ("div"). Not (document. getElementsByTagName("label"))
		$ ("div"). Not ($test)
		$ ("div"). Not (function (index) {})
later generation	Get the result set containing the descendant elements that match the criteria	$ ("div"). has (". AA")	Descendants contain a result set with the class name AA	The object that is judged is the descendant element
		$ ("div"). has (document. getElementsByTagName("label"))	Descendants contain a result set with the element name label
Detection	Returns TRUE or False	$ ("#div1"). Is ("div")	Returns True when the parameter is the parent set of the source result set
		$ ("#div1"). Is (document. getElementsByTagName("div"))
		$ ("#div1"). Is ($test)
		$ ("#div1"). Is (function (index) {if (this.id== "Xixi") {return true;} Else{return false;}})		Index is indexed, this represents the current object

Reference: http://www.365mini.com/page/jquery-add.htm

jquery-Edit Selection results (add, filter, filter, or detect)