bapp09.indd 02/17/2015 Page 547

Utilities

METHOD/PROPERTY DESCRIPTION RETURN VALUE

$.clearQueue([queue]) Removes from the queue all items that

have not yet been executed.

jQuery

$.contains(

container,

contained

)

Determines whether a DOM element is a

descendant of another DOM element.

Boolean

$.dequeue(element

[, queue]

)

Executes the next function in the queue

for the matched element.

Undefi ned

$.extend(

target

[, object1]

[,.. .]

)

Extends the target object with one or

more specifi ed objects.

Object

$.extend(

[ deep,]

target

[, object1]

[,.. .]

)

Extends the target object with one or

more specifi ed objects. If the optional

deep argument is true, then the objects

are merged recursively (aka deep copy).

Object

$.fn.extend(object) Merges an object into jQuery itself. This

is used, for example, to create jQuery

plugins.

Object

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