Default node icon.
String, default = ''
For any node if its
icon property is not defined, then default
icon will be used.
The
icon property is a css class for the icon span. See
.nodes to see how to
use icon for nodes.
The difference between
img and
icon is that
img
uses a div and a background image. The
icon property uses a span and icon fonts, such as font-awesome.
You can define it during object creation:
Or any time after the object has been created: