js/leaflet.markercluster.js
function () {
    var bounds = new L.LatLngBounds();

    if (this._topClusterLevel) {
      bounds.extend(this._topClusterLevel._bounds);
    }

    for (var i = this._needsClustering.length - 1; i >= 0; i--) {
      bounds.extend(this._needsClustering[i].getLatLng());
    }

    bounds.extend(this._nonPointGroup.getBounds());

    return bounds;
  }
function () {
    var bounds = new L.LatLngBounds();

    if (this._topClusterLevel) {
      bounds.extend(this._topClusterLevel._bounds);
    }

    for (var i = this._needsClustering.length - 1; i >= 0; i--) {
      bounds.extend(this._needsClustering[i].getLatLng());
    }

    bounds.extend(this._nonPointGroup.getBounds());

    return bounds;
  }
function ( ) { var bounds = new L . LatLngBounds ( ) ; if ( this . _topClusterLevel ) { bounds . extend ( this . _topClusterLevel . _bounds ) ; } for ( var i = this . _needsClustering . length - 1 ; i >= 0 ; i -- ) { bounds . extend ( this . _needsClustering [ i ] . getLatLng ( ) ) ; } bounds . extend ( this . _nonPointGroup . getBounds ( ) ) ; return bounds ; }
Override FeatureGroup.getBounds as it doesn't work
Override FeatureGroup . getBounds as it doesn t work