Microsoft has introduced new open source language enhancements for JavaScript that should make it easier to write JavaScript code. TypeScript adding new features like static typing and some OOP features like classes and interfaces. There is controversy about whether TypeScript make sense or not, see discussions on Scott Hanselman’s Blog or Channel 9.



Anders Hejlsberg: Introducing TypeScript

To use it  you must download TypeScript for Visual Studio 2012. To be fair enough TypeScript does not change JavaScript. It is only changing the way how we could write the code and adding some extra safeness. What do you think? Does it make a sense?