Is there any pure JS way to get the "short date" format of a JavaScript Date object (i.e. 04/05/2005), while respecting localized differences (i.e. 04/05/2005 in the U.S. is the same as 05/04/2005 ...

If you reference Globalize scripts on the client, the JavaScript Dashboard control will use Globalize to format dates, numbers, and currencies. The project also shows how to apply custom formatting ...