<td>The path to the icon images can be defined here. If custom icons are used, they have to have the same filename as the ones originally packaged with vis.js.</td>
It can be configured with the following user-configurable settings.
The default state for the keyboard navigation is <b>off</b>. The predefined keys can be found in the example <ahref="../examples/graph/20_navigation.html">20_navigation.html</a>.