Listener methods
This is the collection of listener methods within the Checkpoints
interface. There are only three listener methods, addCheckpointIdsListener
, addCheckpointListener
, and delListener
.
addCheckpointIdsListener
The addCheckpointIdsListener
method registers a listener function with the Checkpoints
object that will be called whenever its set of checkpoints changes.
addCheckpointListener
The addCheckpointListener
method registers a listener function with the Checkpoints
object that will be called whenever the label of a checkpoint changes.
delListener
The delListener
method removes a listener that was previously added to the Checkpoints
object.