ArcGIS javascript api Rendering some parts of the Featurelayer?

Question

I'm confused how to render only some parts of a feature layer. Since all the given classbreak rendering samples are rendering the whole feature layer, is there any method to render only a few of the polygons in the feature layer (already have the Object IDs).

Answer 1

It sounds more like you want to use Definition Expression since you know the OID's.

API doc for setdefinitionexpression, and an example