code: function _nodes(model) {
        var nodes = [];
  
        // Iteration through nodes
        _helpers.nodeListEach(_xml.els.nodes, function(n) {
  
          // Basic properties
          var properties = {
            id: n.getAttribute('id'),
            label: n.getAttribute('label') || ''
          };
  
          // Retrieving data from nodes if any
          if (model)
            properties.attributes = _data(model, n);
  
          // Retrieving viz information
          if (_xml.hasViz)
            properties.viz = _nodeViz(n);
  
          // Pushing node
          nodes.push(Node(properties));
        });
  
        return nodes;
      }
docs: Nodes