jQuery Functions

Question 1

.add()

Answer 1

Add elements to the set of matched elements.

Question 2

.addBack()

Answer 2

Add the previous set of elements on the stack to the current set, optionally filtered by a selector.

Question 3

.addClass()

Answer 3

Adds the specified class(es) to each of the set of matched elements.

Question 4

.after()

Answer 4

Insert content, specified by the parameter, after each element in the set of matched elements.

Question 5

.ajaxComplete()

Answer 5

Register a handler to be called when Ajax requests complete. This is an AjaxEvent.

Question 6

.ajaxError()

Answer 6

Register a handler to be called when Ajax requests complete with an error. This is an Ajax Event.

Question 7

.ajaxSend()

Answer 7

Register a handler to be called when Ajax requests complete with an error. This is an Ajax Event.

Question 8

.ajaxStart()

Answer 8

Register a handler to be called when the first Ajax request begins. This is an Ajax Event.

Question 9

.ajaxStop()

Answer 9

Register a handler to be called when all Ajax requests have completed. This is an Ajax Event.

Question 10

.ajaxSuccess()

Answer 10

Attach a function to be executed whenever an Ajax request completes successfully. This is an Ajax Event.

Question 11

AllSelector(“*”)

Answer 11

Selects all elements.

Question 12

.andSelf()

Answer 12

Add the previous set of elements on the stack to the current set.

Question 13

.animate()

Answer 13

Perform a custom animation of a set of CSS properties.

Question 14

:animated Selector

Answer 14

Select all elements that are in the progress of an animation at the time the selector is run.

Question 15

.append()

Answer 15

Insert content, specified by the parameter, to the end of each element in the set of matched elements.

Question 16

.appendTo()

Answer 16

Insert every element in the set of matched elements to the end of the target.

Question 17

.attr

Answer 17

Get the value of an attribute for the first element in the set of matched elements or set one or more attributes for every matched element.

Question 18

Attribute Contains Prefix Selector [name|=”value”]

Answer 18

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 (-).

Question 19

Attribute Contains Selector [name*=”value”]

Answer 19

Selects elements that have the specified attribute with a value containing the a given substring.

Question 20

Attribute Contains Word Selector [name~=”value”]

Answer 20

Selects elements that have the specified attribute with a value containing a given word, delimited by spaces.

Question 21

Attribute Ends With Selector [name$=”value”]

Answer 21

Selects elements that have the specified attribute with a value ending exactly with a given string. The comparison is case sensitive.

Question 22

Attribute Equals Selector [name=”value”]

Answer 22

Selects elements that have the specified attribute with a value exactly equal to a certain value.

Question 23

Attribute Not Equal Selector [name!=”value”]

Answer 23

Select elements that either don’t have the specified attribute, or do have the specified attribute but not with a certain value.

Question 24

Attribute Starts With Selector [name^=”value”]

Answer 24

Selects elements that have the specified attribute with a value beginning exactly with a given string.

Question 25

.before()

Answer 25

Insert content, specified by the parameter, before each element in the set of matched elements.

Question 26

.bind()

Answer 26

Attach a handler to an event for the elements.

Question 27

.blur()

Answer 27

Bind an event handler to the “blur” JavaScript event, or trigger that event on an element.

Question 28

:button Selector

Answer 28

Selects all button elements and elements of type button.

Question 29

callbacks.add()

Answer 29

Add a callback or a collection of callbacks to a callback list.

Question 30

callbacks.disable()

Answer 30

Disable a callback list from doing anything more.

Question 31

callbacks.disabled()

Answer 31

Determine if the callbacks list has been disabled.

Question 32

callbacks.empty()

Answer 32

Remove all of the callbacks from a list.

Question 33

callbacks.fire()

Answer 33

Call all of the callbacks with the given arguments

Question 34

callbacks.fired()

Answer 34

Determine if the callbacks have already been called at least once.

Question 35

callbacks.fireWith()

Answer 35

Call all callbacks in a list with the given context and arguments.

Question 36

callbacks.has()

Answer 36

Determine whether a supplied callback is in a list

Question 37

callbacks.lock()

Answer 37

Lock a callback list in its current state.

Question 38

callbacks.locked()

Answer 38

Determine if the callbacks list has been locked.

Question 39

callbacks.remove()

Answer 39

Remove a callback or a collection of callbacks from a callback list.

Question 40

.change()

Answer 40

Bind an event handler to the “change” JavaScript event, or trigger that event on an element.

Question 41

:checkbox Selector

Answer 41

Selects all elements of type checkbox.

Question 42

:checked Selector

Answer 42

Matches all elements that are checked or selected.

Question 43

Child Selector (“parent > child”)

Answer 43

Selects all direct child elements specified by “child” of elements specified by “parent”.

Question 44

.children()

Answer 44

Get the children of each element in the set of matched elements, optionally filtered by a selector.

Question 45

Class Selector (“.class”)

Answer 45

Selects all elements with the given class.

Question 46

.clearQueue()

Answer 46

Remove from the queue all items that have not yet been run.

Question 47

.click()

Answer 47

Bind an event handler to the “click” JavaScript event, or trigger that event on an element.

Question 48

.clone()

Answer 48

Create a deep copy of the set of matched elements.

Question 49

.closest()

Answer 49

For each element in the set, get the first element that matches the selector by testing the element itself and traversing up through its ancestors in the DOM tree.

Question 50

:contains() Selector

Answer 50

Select all elements that contain the specified text.

Question 51

.contents()

Answer 51

Get the children of each element in the set of matched elements, including text and comment nodes.

Question 52

.context

Answer 52

The DOM node context originally passed to jQuery(); if none was passed then context will likely be the document.

Question 53

.css()

Answer 53

Get the value of a style property for the first element in the set of matched elements or set one or more CSS properties for every matched element.