function currentTreeRootSecondChildExcludingDragging() {
      var _this = this;

      return this.currentTree.rootData.children.slice(0, 3).filter(function (v) {
        return v !== _this.node;
      })[1];
    }
function currentTreeRootSecondChildExcludingDragging() {
      var _this = this;

      return this.currentTree.rootData.children.slice(0, 3).filter(function (v) {
        return v !== _this.node;
      })[1];
    }
function currentTreeRootSecondChildExcludingDragging ( ) { var _this = this ; return this . currentTree . rootData . children . slice ( 0 , 3 ) . filter ( function ( v ) { return v !== _this . node ; } ) [ 1 ] ; }
the second child of currentTree root, excluding dragging node
the second child of currentTree root excluding dragging node