examples/app/main.bundle.js
function () {
            // Existing active nodes
            var allNodes = this.graphRoot.selectAll('g').filter('.active_node')
                .data(this.nodeModels, function (n) {
                return n.id;
            });
            return allNodes;
        }
function () {
            // Existing active nodes
            var allNodes = this.graphRoot.selectAll('g').filter('.active_node')
                .data(this.nodeModels, function (n) {
                return n.id;
            });
            return allNodes;
        }
function ( ) { // Existing active nodes
 var allNodes = this . graphRoot . selectAll ( 'g' ) . filter ( '.active_node' ) . data ( this . nodeModels , function ( n ) { return n . id ; } ) ; return allNodes ; }
get all active nodes in the graph
get all active nodes in the graph