jQUERY 1.4.2
VISUAL CHEAT SHEET
❉ SELECTORS / 1. BASIC
All Selector (“*”)
Selects all elements.
a
Class Selector (“.class”)
Matches all elements with the given name.
a
Element Selector (“element”)
Selects all elements with the given tag
name.
a
ID Selector (“#id”)
Selects a single element with the given id
attribute.
a
Multiple Selector (“selector1,
selector2, selectorN”)
Selects the combined results of all the
specified selectors.
a
❉ SELECTORS / 2. HIERARCHY
Child Selector (“parent > child”)
Selects all direct child elements specified
by "child" of elements specified by
"parent".
a
Descendant Selector (“ancestor
descendant”)
Selects all elements that are descendants
of a given ancestor.
a
Next Adjacent Selector (“prev +
next”)
Selects all next elements matching "next"
that are immediately preceded by a sibling
"prev".
a
Next Siblings Selector (“prev ~
siblings”)
Selects all sibling elements that follow
after the "prev" element, have the same
parent, and match the filtering "siblings"
selector.
a
❉ SELECTORS / 3. BASIC FILTER
:animated Selector
Select all elements that are in the progress
of an animation at the time the selector is
run.
a
:eq() Selector
Select the element at index n within the
matched set.
a
:even Selector
Selects even elements, zero-indexed
a
:first Selector
Selects the first matched element.
a
:gt() Selector
Select all elements at an index greater
than index within the matched set.
a
:header Selector
Selects all elements that are headers, like
h1, h2, h3 and so on.
a
:last Selector
Selects the last matched element.
a
:lt() Selector
Select all elements at an index less than
index within the matched set.
a
:not() Selector
Selects all elements that do not match the
given selector.
a
:odd Selector
Selects odd elements, zero-indexed. See
also even.
a
❉ SELECTORS / 4. CONTENT FILTER
:contains() Selector
Select all elements that contain the
specified text.
a
:empty Selector
Select all elements that have no children
(including text nodes).
a
:has() Selector
Selects elements which contain at least one
element that matches the specified
selector.
a
:parent Selector
Select all elements that are the parent of
another element, including text nodes.
a
❉ SELECTORS / 5. ATTRIBUTE
[name|=value]
Selects elements that have the specified
attribute with a value either equal to a
given string or starting with that string
followed by a hyphen (-).
a
[name*=value]
Selects elements that have the specified
attribute with a value containing the a
given substring.
a
[name~=value]
Selects elements that have the specified
attribute with a value containing a given
word, delimited by spaces.
a
[name$=value]
Selects elements that have the specified
attribute with a value ending exactly with
a given string.
a
[name=value]
Selects all elements that are headers, like
h1, h2, h3 and so on.
a
[name!=value]
Select elements that either don't have the
specified attribute, or do have the specified
attribute but not with a certain value.
a
[name^=value]
Selects elements that have the specified
attribute with a value beginning exactly
with a given string.
a
[name]
Selects elements that have the specified
attribute, with any value.
a
[name=value][name2=value2]
Matches elements that match all of the
specified attribute filters.
a
❉ SELECTORS / 6. CHILD FILTER
:first-child Selector
Selects all elements that are the first child
of their parent.
a
:last-child Selector
Selects all elements that are the last child of
their parent.
a
:nth-child Selector
Selects all elements that are the nth-child of
their parent.
a
:only-child Selector
Selects all elements that are the only child
of their parent.
a
❉ SELECTORS / 7. VISIBILITY FILTER
:hidden Selector
Selects all elements that are hidden.
a
:visible Selector
Selects all elements that are visible.
a
❉ SELECTORS / 8. FORM
:button Selector
Selects all button elements and elements of
type button.
a
:checkbox Selector
Selects all elements of type checkbox.
a
:checked Selector
Matches all elements that are checked.
a
:disabled Selector
Selects all elements that are disabled.
a
:enabled Selector
Selects all elements that are enabled.
a
:file Selector
Selects all elements of type file.
a
:image Selector
Selects all elements of type image.
a
:input Selector
Selects all input, textarea, select and button
elements.
a
:password Selector
Selects all elements of type password.
a
:radio Selector
Selects all elements of type radio.
a
:reset Selector
Selects all elements of type reset.
a
:selected Selector
Selects all elements that are selected.
a
:submit Selector
Selects all elements of type submit.
a
:text Selector
Selects all elements of type text.
a
❉ CORE / 1. THE jQUERY FUNCTION
jQuery()
Accepts a string containing a CSS selector
which is then used to match a set of
elements.
jQ
❉ CORE / 2. OBJECT ACCESSORS
.context
The DOM node context originally passed to
jQuery(); if none was passed then context
will likely be the document.
El
.each( function(index, Element) )
Iterate over a jQuery object, executing a
function for each matched element.
jQ
.get( [ index ] )
Retrieve the DOM elements matched by the
jQuery object.
El | a
.index() ★
Search for a given element from among the
matched elements.
Num
.length
The number of elements in the jQuery object.
Num
.selector
A selector representing selector originally
passed to jQuery().
Str
.size()
Return the number of DOM elements matched
by the jQuery object.
Num
.toArray() ★
Retrieve all the DOM elements contained in the
jQuery set, as an array.
a
❉ CORE / 3. DATA
.queue( [ queueName ], newQueue)
Show the queue of functions to be executed on
the matched elements.
jQ
.data( obj ) ★
Store arbitrary data associated with the
matched elements.
jQ
.removeData( [ name ] )
Remove a previously-stored piece of data.
jQ
.dequeue( [ queueName ] )
Execute the next function on the queue for the
matched elements.
jQ
❉ CORE / 4. PLUGINS
jQuery.fn.extend( object )
Extends the jQuery element set to provide new
methods (used to make a typical jQuery
plugin).
jQ
jQuery.extend( object )
Extends the jQuery object itself.
jQ
❉ CORE / 5. INTEROPERABILITY
jQuery.noConflict( )
Relinquish jQuery's control of the $ variable.
jQ
jQuery.noConflict(extreme)
Extends the jQuery object itself. This is to be
used in an extreme case where you’d like to
embed jQuery into a high-conflict environment.
jQ
SELECTORS ✼ CORE ✼ ATTRIBUTES ✼ CSS ✼ TRAVERSING ✼ MANIPULATION ✼ EVENTS ✼ EFFECTS ✼ AJAX ✼ UTILITIES
★ = NEW IN jQUERY 1.4.x / ❉ = DEPRECATED / a = ARRAY / jQ = jQUERY / El = ELEMENT / 0-1 = BOOLEAN / Obj = OBJECT / NUM = NUMBER / Str = STRING
❉ ATTRIBUTES / 1. ATTR
.attr( attributeName )
Get the value of an attribute for the first
element in the set of matched elements.
Obj
.attr( attributeName, value )
Set one or more attributes for the set of
matched elements.
Obj
.removeAttr()
Remove an attribute from each element in the
set of matched elements.
jQ
❉ ATTRIBUTES / 2. CLASS
.addClass( class )
Adds the specified class(es) to each of the set of
matched elements.
jQ
.hasClass( class )
Determine whether any of the matched
elements are assigned the given class.
0-1
.removeClass( class )
Remove a single class, multiple classes, or all
classes from each element in the set of matched
elements.
jQ
.toggleClass( class, switch )
Add or remove one or more classes from each
element in the set of matched elements,
depending on either the class's presence or the
value of the switch argument.
jQ
❉ ATTRIBUTES / 3. HTML
.html()
Get the HTML contents of the first element in
the set of matched elements.
Str
.html( htmlString )
Set the HTML contents of each element in the
set of matched elements.
jQ
❉ ATTRIBUTES / 4. TEXT
.text()
Get the combined text contents of each element
in the set of matched elements, including their
descendants.
Str
.text( textString )
Set the content of each element in the set of
matched elements to the specified text.
jQ
❉ ATTRIBUTES / 5. VALUE
.val()
Get the current value of the first element in
the set of matched elements.
Str | a
.val( value )
Set the value of each element in the set of
matched elements.
jQ
❉ CSS / 1. CSS
.css( propertyName )
Get the value of a style property for the first
element in the set of matched elements.
Str
.css( propertyName, value )
Set one or more CSS properties for the set of
matched elements.
jQ
❉ CSS / 2. POSITIONING
.scrollLeft()
Get the current horizontal position of the
scroll bar for the first element in the set of
matched elements.
Int
.scrollLeft( value )
Set the current horizontal position of the
scroll bar for each of the set of matched
elements.
jQ
.offset()
Get the current coordinates of the first
element in the set of matched elements,
relative to the document.
Obj
{top, left}
.offset( coordinates )
Set the current coordinates of every element
in the set of matched elements, relative to
the document.
jQ
.position()
Get the current coordinates of the first
element in the set of matched elements,
relative to the offset parent.
Obj
{top, left}
.scrollTop()
Get the current vertical position of the scroll
bar for the first element in the set of
matched elements.
Int
.scrollTop( value )
Set the current vertical position of the scroll
bar for each of the set of matched elements.
❉ CSS / 3. HEIGHT & WIDTH
.height( value )
Set the CSS height of every matched
element.
jQ
jQUERY 1.4.2
VISUAL CHEAT SHEET
.height()
Get the current computed height for the first
element in the set of matched elements.
Int
.innerHeight()
Get the current computed height for the first
element in the set of matched elements,
including padding but not border.
Int
.innerWidth()
Get the current computed width for the first
element in the set of matched elements,
including padding but not border.
Int
.outerHeight()
Get the current computed height for the first
element in the set of matched elements,
including padding, border, and optionally
margin.
Int
.outerWidth()
Get the current computed width for the first
element in the set of matched elements,
including padding and border.
Int
.width( value )
Set the CSS width of each element in the set of
matched elements.
jQ
.width()
Get the current computed width for the first
element in the set of matched elements.
Int
❉ TRAVERSING / 1. FILTERING
.eq( - index ) ★
Reduce the set of matched elements to the one at
the specified index.
jQ
.eq( index )
Reduce the set of matched elements to the one at
the specified index.
jQ
.filter( selector )
Reduce the set of matched elements to those that
match the selector or pass the function's test.
jQ
.is( selector )
Check the current matched set of elements
against a selector and return true if at least one
of these elements matches the selector.
0-1
.map( callback(index, domEl) )
Pass each element in the current matched set
through a function, producing a new jQuery
object containing the return values.
jQ
.not()
Remove elements from the set of matched
elements.
jQ
.slice( start, [ end ] )
Reduce the set of matched elements to a subset
specified by a range of indices.
jQ
❉ TRAVERSING / 2. TREE TRAVERSAL
.children( [ selector ] )
Get the children of each element in the set of
matched elements, optionally filtered by a
selector.
jQ
.closest( selector )
Get the first ancestor element that matches the
selector, beginning at the current element and
progressing up through the DOM tree.
jQ
.closest( selectors, [ context ] ) ★
Get the first ancestor element that matches the
selector, beginning at the current element and
progressing up through the DOM tree.
jQ
.find( selector )
Get the descendants of each element in the
current set of matched elements, filtered by a
selector.
jQ
.next( [ selector ] )
Get the immediately following sibling of each
element in the set of matched elements, optionally
filtered by a selector.
jQ
.nextAll( [ selector ] )
Get all following siblings of each element in the
set of matched elements, optionally filtered by a
selector.
jQ
.nextUntil( [ selector ] )
Get all following siblings of each element up to
but not including the element matched by the
selector.
jQ
.offsetParent()
Get the closest ancestor element that is
positioned.
jQ
.parent( [ selector ] )
Get the parent of each element in the current set
of matched elements, optionally filtered by a
selector.
jQ
.parents( [ selector ] )
Get the ancestors of each element in the current
set of matched elements, optionally filtered by a
selector.
jQ
.parentsUntil( [ selector ] ) ★
Get the ancestors of each element in the current
set of matched elements, up to but not including
the element matched by the selector.
jQ
.prev( [ selector ] )
Get the immediately preceding sibling of each
element in the set of matched elements, optionally
filtered by a selector.
jQ
.prevAll( [ selector ] )
Get all preceding siblings of each element in the
set of matched elements, optionally filtered by a
selector.
jQ
.prevUntil( [ selector ] ) ★
Get the ancestors of each element in the current
set of matched elements, optionally filtered by a
selector.
jQ
.siblings( [ selector ] )
Get the siblings of each element in the set of
matched elements, optionally filtered by a
selector.
jQ
❉ TRAVERSING / 2. MISCELLANEOUS
.add()
Add elements to the set of matched elements.
jQ
.add( selectors, [ context ] ) ★
Add elements to the set of matched elements.
jQ
.andSelf()
Add the previous set of elements on the stack to
the current set.
jQ
.contents()
Get the children of each element in the set of
matched elements, including text nodes.
jQ
.end()
End the most recent filtering operation in the
current chain and return the set of matched
elements to its previous state.
jQ
❉ MANIPULATION / 1. INSIDE
.append( content )
Insert content, specified by the parameter, to the
end of each element in the set of matched
elements.
jQ
.append( function(index, html) ) ★
Insert content, specified by the parameter, to the
end of each element in the set of matched
elements.
jQ
.appendTo( target )
Insert every element in the set of matched
elements to the end of the target.
jQ
.prepend( content )
Insert content, specified by the parameter, to the
beginning of each element in the set of matched
elements.
jQ
.prependTo( target )
Insert content, specified by the parameter, to the
end of each element in the set of matched
elements.
jQ
SELECTORS ✼ CORE ✼ ATTRIBUTES ✼ CSS ✼ TRAVERSING ✼ MANIPULATION ✼ EVENTS ✼ EFFECTS ✼ AJAX ✼ UTILITIES
★ = NEW IN jQUERY 1.4.x / ❉ = DEPRECATED / a = ARRAY / jQ = jQUERY / El = ELEMENT / 0-1 = BOOLEAN / Obj = OBJECT / NUM = NUMBER / Str = STRING
❉ MANIPULATION / 2. OUTSIDE
.after( content )
Insert content, specified by the parameter, after
each element in the set of matched elements.
jQ
.after( function(index) ) ★
Insert content, specified by the parameter, to the
end of each element in the set of matched
elements.
jQ
.before( content )
Insert content, specified by the parameter, before
each element in the set of matched elements.
jQ
.before( function ) ★
Insert content, specified by the parameter, before
each element in the set of matched elements.
jQ
.insertAfter( target )
Insert every element in the set of matched
elements after the target.
jQ
.insertBefore( target )
Insert every element in the set of matched
elements before the target.
jQ
❉ MANIPULATION / 3. AROUND
.unwrap() ★
Remove the parents of the set of matched
elements from the DOM, leaving the matched
elements in their place.
jQ
.wrap( wrappingElement )
Wrap an HTML structure around each element in
the set of matched elements.
jQ
.wrap( wrappingFunction ) ★
Wrap an HTML structure around each element in
the set of matched elements.
jQ
.wrapAll( wrappingElement )
Wrap an HTML structure around all elements in
the set of matched elements.
jQ
.wrapInner( wrappingElement )
Wrap an HTML structure around the content of
each element in the set of matched elements.
jQ
.wrapInner( wrappingFunction ) ★
Wrap an HTML structure around the content of
each element in the set of matched elements.
jQ
❉ MANIPULATION / 4. REPLACING
.replaceWith( newContent )
Replace each element in the set of matched
elements with the provided new content.
jQ
jQUERY 1.4.2
VISUAL CHEAT SHEET
.replaceWith( function )
Replace each element in the set of matched
elements with the provided new content.
jQ
.replaceAll()
A selector expression indicating which element(s)
to replace.
jQ
❉ MANIPULATION / 5. REMOVING
.detach( [ selector ] ) ★
Remove the set of matched elements from the
DOM.
jQ
.empty()
Remove all child nodes of the set of matched
elements from the DOM.
jQ
.remove( [ selector ] )
Remove the set of matched elements from the
DOM.
jQ
❉ MANIPULATION / 6. COPYING
.clone( [ withDataAndEvents ] )
Create a copy of the set of matched elements.
jQ
❉ EVENTS / 1. DOCUMENT LOADING
.load( handler(eventObject) )
Bind an event handler to the "load" JavaScript
event.
jQ
.ready( handler )
Specify a function to execute when the DOM is
fully loaded.
jQ
.unload( handler(eventObject) )
Bind an event handler to the "unload" JavaScript
event.
jQ
❉ EVENTS / 2. HANDLER ATTACHMENT
.bind( eventType, [ eventData ], handler
(eventObject) )
Attach a handler to an event for the elements.
jQ
.delegate( selector, eventType,
handler ) ★
Attach a handler to one or more events for all
elements that match the selector, now or in the
future, based on a specific set of root elements.
jQ
.die() ★
Remove all event handlers previously attached
using .live() from the elements.
jQ
.live( eventType, eventData, handler ) ★
Attach a handler to the event for all elements
which match the current selector, now or in the
future.
jQ
.one( eventType, [ eventData ], handler
(eventObject) )
Attach a handler to an event for the elements.
The handler is executed at most once per
element.
jQ
.trigger( eventType, extraParameters)
Execute all handlers and behaviors attached to
the matched elements for the given event type.
jQ
.triggerHandler( eventType,
extraParameters )
Execute all handlers attached to an element for
an event.
jQ
.unbind( eventType, handler
(eventObject) ) ★
Remove a previously-attached event handler
from the elements.
jQ
.undelegate()
Remove a handler from the event for all elements
which match the current selector, now or in the
future, based upon a specific set of root elements.
jQ
❉ EVENTS / 3. MOUSE EVENTS
.click( handler(eventObject) )
Bind an event handler to the "click" JavaScript
event, or trigger that event on an element.
jQ
.dblclick( handler(eventObject) )
Bind an event handler to the "dblclick"
JavaScript event, or trigger that event on an
element.
jQ
.focusin( handler(eventObject) )
Bind an event handler to the "focusin" JavaScript
event.
jQ
.focusout( handler(eventObject) )
Bind an event handler to the "focusout"
JavaScript event.
jQ
.hover( handlerIn(eventObject),
handlerOut(eventObject) )
Bind two handlers to the matched elements, to be
executed when the mouse pointer enters and
leaves the elements.
jQ
.hover( handler(eventObject) ) ★
Bind a single handler to the matched el
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