https://github.com/ReactWindows/react-native/blob/ReactWindows/ReactWindows/Playground/index.windows.js https://github.com/ReactWindows/react-native/blob/ReactW

https://github.com/ReactWindows/react-native/blob/ReactWindows/ReactWindows/Playground/index.windows.js https://github.com/ReactWindows/react-native/blob/ReactWindo... Looks like it evaluates the JS and creates XAML elements programmatically using C#.