How long a message stays in the region before it is cleared, in ms. Long
enough for a reader to pick it up, short enough that a later identical
message is a real change. Defaults to 1000.
OptionalReadonlycontainer
container?:HTMLElement
Where the regions are appended. Defaults to document.body.
How long a message stays in the region before it is cleared, in ms. Long enough for a reader to pick it up, short enough that a later identical message is a real change. Defaults to 1000.