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Editorial Team
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Asked: 2026-06-05T07:52:38+00:00

I’m looking at the documentation for triggering events in OpenLayers . It lists triggerEvent

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I’m looking at the
documentation
for triggering events in OpenLayers. It lists triggerEvent as taking in a type:String argument and a evt:Event argument. I understand what the type parameter is, but what object is the Event object? I can’t find a clear example.

If it is relevant, I am working on an interface between Google Maps v3 and OpenLayers, and I’m trying to come up with a way so that I can have a the same API interface to calls to:

  • google.maps.event.trigger(instance:Object, eventName:String, var_args:*)
  • openLayersObj.events.triggerEvent(type:String, evt:Event)
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1 Answer

  1. Editorial Team

    Doc is wrong. It should be Event || object. Object that will be args passed to the listeners callback.

    Look at the source: https://github.com/openlayers/openlayers/blob/master/lib/OpenLayers/Events.js#L820
    Example of use: https://github.com/openlayers/openlayers/blob/master/lib/OpenLayers/Map.js#L1042

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