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HomeWeb Front-endJS TutorialWhat types of JQuery selectors are there?

What types of JQuery selectors are there?

Sep 30, 2017 am 09:17 AM
jqueryseveral kindsSelector

##Select the element with id=a.class$(“.b”)Select class=b Elementelement$(“p”)All

elements

##.class.classBasic filter selector:first:last:odd:even:ep(n):gt(n):lt(n ):root:header():lang:not:hidden:visibleChild 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-typeContent 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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