tree.intersects(bbox) about rbush HOT 2 CLOSED

// return true if any feature is at the coordinate
var coordinate = [x, y];
var anyFeatureAtCoordinate = rBush.forEachInExtent(extent, function(feature) {
  return feature.getGeometry().containsCoordinate(coordinate);
});

// find first feature only
var firstFeatureFound = rBush.forEachInExtent(extent, function(feature) {
  return feature;
});