src/aria/templates/MarkupWriter.js
function () {
                var res = this._topSection;
                res.html = this._out.join("");
                this._delegate = null;
                this._out = null;
                this._topSection = null; // so that the section is not disposed in the MarkupWriter destructor
                return res;
            }
function () {
                var res = this._topSection;
                res.html = this._out.join("");
                this._delegate = null;
                this._out = null;
                this._topSection = null; // so that the section is not disposed in the MarkupWriter destructor
                return res;
            }
function ( ) { var res = this . _topSection ; res . html = this . _out . join ( "" ) ; this . _delegate = null ; this . _out = null ; this . _topSection = null ; // so that the section is not disposed in the MarkupWriter destructor return res ; }
Return the top section. In the context of a partial refresh, this will be the section to refresh only
@return {aria.templates.Section}
Return the top section . In the context of a partial refresh this will be the section to refresh only