Zoom to extent of new vector layer in OL

Zooming to the maximum extent of all features in a vector layer does not work unless all features have been loaded. Therefore it is necessary to register an event handler, as demonstrated below (‘layer’ is any object of class OpenLayers.Layer.Vector):

layer.events.register(‘featuresadded’, map,function(){this.zoomToExtent(layer.getDataExtent())});

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