the control's options
Register a control on the map and give it a chance to register event listeners and resources. This method is called by Map#addControl internally.
the Map this control will be added to
The control's container element. This should be created by the control and returned by onAdd without being attached to the DOM: the map will insert the control's element into the DOM as necessary.
Unregister a control on the map and give it a chance to detach event listeners and resources. This method is called by Map#removeControl internally.
A
LogoControl
is a control that adds the watermark.Example