Sys.UI.Control role Property
Gets a string that indicates the Accessible Rich Internet Application (ARIA) role of the control.
Note
To get or set property values for client API properties, you must call property accessor methods that are named with the get_ and set_ prefixes. For example, to get or set a value for a property such as cancel, you call the get_cancel or set_cancel methods.
var role = MyControl.get_role();
Remarks
The role property is used for improved accessibility.