Intellisense is a beautiful thing. Viewing hints, documentation, and available overloads as you type is simply awesome. This is very common in C# and VB but what about JavaScript? Ever wish you had these same rich experiences while writing your JavaScript code? With Visual Studio 2012, you can! Below is an excellent video by Scott Hanselman explaining how this is possible:
http://www.asp.net/vnext/overview/visual-studio/visual-studio-2012-javascript-editor
There is some helpful MSDN documentation on this as well:
Overview: http://msdn.microsoft.com/en-us/library/bb385682.aspx
How-to: http://msdn.microsoft.com/en-us/library/bb514138.aspx
Now JavaScript is beautiful too! ..or at least a little more.