‘Higher-order functions’ is a fancy term for functions that take other functions as arguments or that return functions. Very powerful!

Microsoft is guiding developers toward HTML5 and JavaScript for Windows 8 app development. It turns out the company also is pushing these Web technologies as key to extending Office 15 and Office 365.

A third way to look at it is that React adds HTML to JavaScript through JSX, while Angular adds JavaScript to HTML through templates and components.