How do I dynamically check whether a layer object belongs to the OpenLayers.Layer.Vector class?


Simply test the javascript instanceof operator against OpenLayers.Layer.Vector or Vector


better way: layer.CLASS_NAME == 'OpenLayers.Layer.Vector'


A quick example to describe how the instanceof function works in this case:

map.getLayers().item(1) instanceof ol.layer.Vector

this code yields true in my case as item(1) is a vector layer

map.getLayers().item(2) instanceof ol.layer.Vector

this yields false in my case as item(2) is an Image layer

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