How to use

in_array

function

in

Array

$("#"+self.options.objId).fancytree("getRootNode").visit(function(node){
          if( node.isSelected() && node.key != self.options.allSelectKey) {
            var nodeSel = null;
            if(!self.options.selectedAllType){
              nodeSel = self._getSelectedParent(node);
            }
            if(null == nodeSel || !nodeSel){
              nodeSel = node;
            }
            
            start = setV_a.in_array(nodeSel.key);
            if(start == -1){
              setV_a.push(nodeSel.key);
            }
          }
        });