OptionalautoOptionalcontextOptionaldisableIf true the window will not be automatically destroyed when closed.
OptionalinitialA value the window can use to display.
OptionalisIf true show a backdrop.
OptionalonAllow for tracking of key down events.
OptionalprewarmMount the window hidden (do not reveal it) so a later real open is an instant reuse. Implies disableAutoDestroy (a prewarmed window must be kept alive). Use at idle to move the heavy first-mount cost off the user's open. A no-op if an instance already exists.
Query selector for the element to focus on show.