.map()

Pass each element in the current matched set through a function, producing a new jQuery object containing the return values.

.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.

.css()

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