You won't get intellisense for UI, but you will still get jquery and other plugins that do work.
Anything you put in the vsdoc version will show up in intellisense.
Open your JS file and once the "Updaing Java Script Intellisense" has gone from the status bar of Visual Studio (there is a menu option which will force the JS intellisense to refresh, don't remember where it is, I just created a keyboard shortcut via the Tools - Keyboard area) open up your Errors window and under the Warnings you should find the reason why the intellisense has failed to load.
PROBLEM While working in my and files, I frequently (every couple of minutes) get the below popup message, which requires me to hit "No" and then resume working.
I found out that the Java Script Intelli Sense in Visual Studio 2008 is broken out of the box.
After making the recommended changes intellisense worked great until I changed to the minified version of jquery.
Update Star has been tested to meet all of the technical requirements to be compatible with Windows 10, 8.1, Windows 8, Windows 7, Windows Vista, Windows Server 2003, 2008, and Windows XP, 32 bit and 64 bit editions.
Simply double-click the downloaded file to install it.
You can choose your language settings from within the program.
Abstract: This article is a guide for getting started with j Query using ASP. The article also shows you how to use Visual Studio intellisense feature to develop j Query and ASP. Google has hosted j Query on its CDN over here j Query 1.7 (CDN), there was an announcement made a few weeks ago that Microsoft will be partnering with the j Query team and shipping j Query with Visual Studio in future.