bapp03.indd 02/17/2015 Page 501

Selecting, Traversing, and

Filtering

METHOD/PROPERTY DESCRIPTION RETURN

VALUE

SELECTING

$(selector) Makes a selection from the document. jQuery

jQuery(selector) An alternative name for the preceding dollar

sign method.

jQuery

length The number of selected elements. Number

get() Returns all selected elements as an array,

rather than as a jQuery object.

Array

get(index) Returns a single element from the selection;

the index argument is the element’s position

in the selection, offset from zero.

Element

index(subject) Searches the selection for the specifi ed ele-

ment and returns that element’s position in

the selection offset from zero.

Number

TRAVERSING AND FILTERING

add(selector) Adds one or more elements to the selection

by virtue of an additional selector.

jQuery

add(elements) Adds one or more elements to the selec-

tion by virtue of one or more element object

references.

jQuery

C

continues

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