.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.

.finish()

Stop the currently-running animation, remove all queued animations, and complete all animations for the matched elements.

.promise()

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

.prev()

Get the immediately preceding sibling of each element in the set of matched elements. If a selector is provided, it retrieves the previous sibling only if it matches that selector.