How to solve JavaScript IntelliSense problems in VS2010

VS2010 should support all of the VS2008 JavaScript functionalities as shown in Scott Guthrie’s VS2008 JavaScript IntelliSense blog.  It includes:1. Basic type inference2. IntelliSense from referenced external JavaScript libraries 3. IntelliSense from XML comments for functions, parameters and return types4. Calling web services using ASP.NET AJAX Additionally, VS2010 RTM had some improvement,