See EventTarget.addEventListener for reference. Works with EventListenerUnified and EventUnified
Optional _options: boolean | AddEventListenerOptionsSee EventTarget.dispatchEvent for reference. Works with with EventUnified
See EventTarget.removeEventListener for reference. Works with EventListenerUnified and EventUnified
Optional _options: boolean | AddEventListenerOptions
Extends EventTarget to work with EventListenerUnified and EventUnified