.id()

Selects a single element with the given id attribute.

.image()

Selects all elements of type image.

.index()

Search for a given element from among the matched elements.

.innerHeight()

Get the current computed height for the first element in the set of matched elements, including padding but not border.

.innerWidth()

Get the current computed width for the first element in the set of matched elements, including padding but not border.

.input()

Selects all input, textarea, select and button elements.

.insertAfter()

Insert every element in the set of matched elements after the target.

.insertBefore()

Insert every element in the set of matched elements before the target.

.is()

Check the current matched set of elements against a selector, element, or jQuery object and return true if at least one of these elements matches the given arguments.