What types of JQuery selectors are there?

elements

##Select the element with id=a .class $(“.b”) Select class=b Element element $(“p”) All ##.class.class Basic filter selector :first :last :odd :even :ep(n) :gt(n) :lt(n ) :root :header() :lang :not :hidden :visible Child element filter ##:first-of-type $(“p p:first-of-type”) Get p The first p tag that appears (regardless of position) :last-of-type $( "p p:last-of-type") Get the last p tag that appears in p (regardless of position) :nth-child(n) $(“p p:nth-child(2)”) Get p The second p tag (subscript starts from 1) :nth-of-type(n) $(“p p:nth-of-type(2)”) Get the second p tag that appears in p (the subscript starts from 0) :nth-last-of-type(n) :only-child ##:only-of-type Content filter $("p:contains(123)") Get all tags containing "123" in the p tag $(“p:empty”) Get the p tag All elements without content (spaces count as content) $(“p: has(P)”) Get all p $(“p:parent”) Get the p of grapefruit elements in all elements (including text nodes) $ (“:text”) Select all fields whose type is text or those whose type has no attribute $(“:password”) Select all those of type password $(“:reset”) Select all those of type checkbox (multiple selection) Select all those of type radio (single selection) Select all upload domains

Selector	##Instance	Explanation
Basic Selector
*	$(*)	Select all elements
#id	$(“#a”)
$(“.a.b”)	Select all elements with class=a and class=b
$(“p:first”)	Select the first p element
##$(“p:last”)	Select the last p element
$(“p :odd”)	Select all p elements in odd positions
$(“p:even”)	Select all p elements in even positions
$(“p:eq(n)”)	Select the nth p element (index Starting from 0)
$(“li:gt(n)”)	Select all li elements before the nth position (excluding the nth position)
$(“li:lt(n)”)	Select all li elements after the nth position (excluding the nth bit)
$(“p:root”)	Select the root element of p (when no tag is written, it means selecting the global root element)
$(“p:header)	Select all titles in the P tag (if no tag is written, it means selecting the global title)
$(“p:lang(language)”)	Tag P Select the specified language (if no tag is written, it means selecting the global title)
$(“ li:not(.active)”)	Select elements other than .active
$(“p:hidden”)	Hide all P tags
$(“p:visible”)	##Display all p tags	:target
$(“:target”)	Select all elements in the target state	:anmated
$(“p:anmated”)	Get Running animation
:first-child	##$(“p p:first-last”)		Select the first child element with tag P in p
:last-child	$ ("p p:last-child")		Select the last child element of tag p in p (no position limit)
##$(“p p:nth-last-of-type(n )”)	Get the last p tag appearing in p
$(“p p:only-child”)	Get the only child element p		# in p
$(“p p:only-of-type”)	## Get the only tag of p among peers p		:only-of-type(even/odd)
$(“p p:only-of-type(even/odd)”)	Get all odd or even P tags in p (the subscript starts from 1)
##:contains()
			:empty
			:has()
			:parent
			Form Selector
:text
			:password
			##:reset
##Select all ## whose type is reset (reset)	#:button		$(“:button”)
Select All types of button(button)	##:checkbox		$(“:checkbox”)
	##:radio		$(“:radio”)
	:file		$(“:file”)
	:image		$(“:image”)		Select all images button
:input	$(“:input”)		Select all input, textarea, select, button elements
:enabled	$(“:enabled”)		Select all available input
:disabled	$(“:disabled”)		Select all unavailable input
##:select	$(“:select”)		The option element in the selected state
:checked	$(“:checked ”)		The input element in the selected state (checked)
:focus	$(“:focus”)		Select the page and enter the focused input

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