Extent Navigate widget
(Added at v2.3)
The Extent Navigate widget allows you to navigate the map to its previous or next extent.
Configuring the Extent Navigate widget
Hover over the Extent Navigate widget and click the show or hide button 
to show or hide this widget on the map. The default is hide.
No configuration is needed.
Using the Extent Navigate widget
Click the arrows on the screen to navigate the map to its previous or next extent.