Optional ReadonlycontextOptionaldefaultOptionalpropagationOptional ReadonlysourceOptional ReadonlytypeOptionalpreventPrevents the default action associated with the event. If a default handler exists, it will not be executed.
OptionalstopStops the propagation of the event to further listeners. Subsequent listeners for the same event on the same EventSource will not be called.
fired before an edited value is written to the store call preventDefault to refuse the value