aria-labelledby and aria-describedby support in popular Windows browsers
Back in 2010 I filed a bug on Internet Explorer about its lack of support for exposing the calculated values of aria-labelledby and aria-describedby in the MSAA accessibility API. After some back and forth a partial fix was implemented.
The upshot was that IE would correctly convey the name and description for an element if the elements referenced by the aria-labelledby and aria-describedby attributes were what IE classed as accessible HTML elements. Notes from IE team on IE’s partial fix (below) for details.
Note: Despite IE’s limited support, screen readers may still support labelledby and describedby in IE, depending on whether [...]