Selectors in jquery

Source: Internet
Author: User

Selector
SelectorExample Select
* $("*") All elements
#ID $ ("#lastname") id= elements of "LastName"
. class $ (". Intro") All elements of class= "Intro"
Element $ ("P") All <p> elements
. class. class $ (". Intro.demo") All class= "Intro" and Class= "demo" Elements
: First $ ("P:first") First <p> Element
: Last $ ("P:last") Last <p> Element
: Even $ ("Tr:even") All even <tr> elements
: Odd $ ("tr:odd") All odd <tr> elements
: eq (index) $ ("UL Li:eq (3)") Fourth element in the list (index starting from 0)
: GT (no) $ ("UL li:gt (3)") List elements with index greater than 3
: LT (no) $ ("UL Li:lt (3)") List elements with index less than 3
: Not (selector) $ ("Input:not (: Empty)") All input elements that are not empty
: Header $ (": Header") All heading elements
: Animated All animated elements
: Contains (text) $ (": Contains (' W3school ')") All elements containing the specified string
: Empty $ (": Empty") All elements with No child (element) nodes
: Hidden $ ("P:hidden") All hidden <p> elements
: Visible $ ("table:visible") All the visible tables
S1,s2,s3 $ ("Th,td,.intro") All elements with a matching selection
[attribute] $ ("[href]") All elements with an HREF attribute
[attribute=value] $ ("[href= ' # ']") The value of all href attributes equals "#" elements
[attribute! =value] $ ("[href!= ' # ']") The value of all HREF attributes is not equal to the "#" element
[attribute$=value] $ ("[href$= '. jpg ']") The value of all HREF attributes contains elements ending with ". jpg"
: input $ (": input") All <input> elements
: Text $ (": Text") All <input> elements of type= "text"
:p Assword $ (":p Assword") All <input> elements of type= "password"
: Radio $ (": Radio") All <input> elements of type= "Radio"
: checkbox $ (": checkbox") All <input> elements of the type= "checkbox"
: Submit $ (": Submit") All <input> elements of type= "submit"
: RESET $ (": Reset") All <input> elements of type= "reset"
: button $ (": Button") All <input> elements of type= "button"
: Image $ (": Image") All <input> elements of type= "image"
: File $ (": File") All <input> elements of type= "file"
: Enabled $ (": Enabled") All the active input elements
:d isabled $ (":d isabled") All disabled input elements
: Selected $ (": Selected") All selected input elements
: Checked $ (": Checked") All selected input elements

Example: Select the value of the check box selected

$ ("Input[name= ' checkbox_list ']:checked"). each (function () {
parameter_id + = $ (this). Val () + "|";
});

Where Checkbox_list is the name value of each check box

Selectors in jquery

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