var a = <span role="checkbox" aria-checked="true"></span>;
var a = <span role="switch" aria-checked="true"></span>;
var a = <span role="spinbutton" aria-valuemax="100" aria-valuemin="0" aria-valuenow="50"></span>;
var a = <span role="slider" aria-valuemax="100" aria-valuemin="0" aria-valuenow="50"></span>;
var a = <span role="separator" aria-valuemax="100" aria-valuemin="0" aria-valuenow="50"></span>;
var a = <span role="scrollbar" aria-valuemax="100" aria-valuemin="0" aria-valuenow="50" aria-orientation="horizontal" aria-controls="123"></span>;
var a = <span role="radio" aria-checked="true"></span>;
var a = <span role="option" aria-selected="true"></span>;
var a = <span role="heading" aria-level="1"></span>;
var a = <span role="combobox" aria-controls="true" aria-expanded="true"></span>;
var a = <span role="menuitemcheckbox" aria-checked="true"></span>;
var a = <span role="menuitemradio" aria-checked="true"></span>;
var a = <Span role="menuitemradio" ></Span>;