OptionalcontainerA class to assign to the container element
OptionalcontrolsAn array of controls to show in the alert.
OptionaldismissibleWhether or not the alert can be dismissed.
OptionaliconIcon used next to the title. Optional.
OptionalondismissA callback to run when the alert is dismissed
OptionaltitleTitle of the alert. Optional.
OptionaltypeThe type of alert this is. Will be used to give the alert a class name of Alert--{type}.
Any other virtual element properties, including attributes and event handlers.