Back in 2012, Microsoft announced a new programming language called TypeScript in order to get JavaScript development to scale. JavaScript was originally introduced as a client-side scripting language for web pages limited to its Document Object Model (DOM). TypeScript is a language for application-scale JavaScript development. TypeScript is a typed superset of JavaScript that compiles to plain JavaScript. Microsoft is actively evolving this new language since its release and yesterday released TypeScript 1.0 RC to the general public. Today’s TypeScript 1.0 RC release marks an important step on the path to 1.0. We are also now adding TypeScript support into the Visual Studio 2013 product, starting with Update 2. TypeScript has been a hit with developers both inside and outside Microsoft as it’s developed toward 1.0 over the last 18 months. Optional static typing, rich IDE features, and support for classes and modules provide foundations for robust software development for JavaScript developers. TypeScript is today being used to build products all over Microsoft, including Visual Studio Online, XBox Music and...

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