According to this post intellisense should also be working on the new VS 2015, but so far I only get intellisense for the angular object and not for the dependencies or my c
Just create an _references.js file in a folder named 'Scripts' (naming convention) at the root of your project. Update it with your necessary javascript files and you should be able to get intellisense. Here's a link on why such a thing was needed: http://madskristensen.net/post/the-story-behind-_referencesjs