ReadonlyariaValue for consumer-rendered aria-modal.
ReadonlycontentStable content ID used by trigger relationships.
ReadonlycontrolledWhether state ownership belongs to the consumer.
ReadonlyhasMetadata indicating whether a backdrop belongs to this dialog.
ReadonlymodalWhether the dialog is modal.
ReadonlyopenCurrent externally observable open state.
ReadonlypositionLatest calculated coordinates, or null before positioning.
ReadonlyroleSemantic role for consumer-rendered content.
ReadonlytopmostWhether this overlay is the topmost overlay in its owner document.
Immutable Dialog snapshot including modal and backdrop semantics.