Attribute for <TEXTAREA ...>
LANGUAGE = "JavaScript" | "JavaScript1.1" | "VBScript" | other language

Usage Recommendation
don't use it

We mention this attribute because it does not exist. It would seem logical that since MSIE recognizes <INPUT LANGUAGE="..."> and <SELECT LANGUAGE="...">, it would recognize <TEXTAREA LANGUAGE="...">, but alas, it does not. This is probably just as well, because if MSIE did implement this attribute, it would probably be just as problematic as <INPUT LANGUAGE="...">.