Read original post by Michael Washington at LightSwitch Help Website
The Visual Studio LightSwitch team announced today, that in an upcoming release (LightSwitch HTML Client Preview), LightSwitch will output HTML pages!
You can get all the details here: http://blogs.msdn.com/b/lightswitch/archive/2012/06/11/announcing-the-lightswitch-html-client.aspx.
To see it in action you must watch this great video: http://channel9.msdn.com/Blogs/funkyonex/Early-Look-at-the-Visual-Studio-LightSwitch-HTML-Client.