.uniqueSort()

Sorts a jQuery object of DOM elements, in place, with the duplicates removed. Note that this only works on jQuery objects consisting of DOM elements, not strings or numbers.

.promise()

Return a Promise object to observe when all actions of a certain type bound to the collection, queued or not, have finished.

.data()

Store arbitrary data associated with the matched elements or return the value at the named data store for the first element in the set of matched elements.

.prevAll()

Get all preceding siblings of each element in the set of matched elements, optionally filtered by a selector, in the reverse document order.

.find()

Get the descendants of each element in the current set of matched elements, filtered by a selector, jQuery object, or element.