function() {
      var parent  = this._parent;
  
      while (parent) {
        if (parent instanceof Marionette.LayoutView) {
          return parent;
        }
        parent = parent._parent;
      }
    }
function() {
      var parent  = this._parent;
  
      while (parent) {
        if (parent instanceof Marionette.LayoutView) {
          return parent;
        }
        parent = parent._parent;
      }
    }
function ( ) { var parent = this . _parent ; while ( parent ) { if ( parent instanceof Marionette . LayoutView ) { return parent ; } parent = parent . _parent ; } }
Walk the _parent tree until we find a layout view (if one exists). Returns the parent layout view hierarchically closest to this view.
Walk the _parent tree until we find a layout view ( if one exists ) . Returns the parent layout view hierarchically closest to this view .