Please make a reference to what kind of language is being used..

[arvera]

I understand that the topic of language (babel, jsx, plain js) is out of the scope, but at least make a reference to what is being used.

[Andersos]

How do you suggest this should be done @arvera ?

[arvera]

A simple comment in the introduction that refers that this tutorials will use jsx type of scripting at this page: https://github.com/reactjs/react-router-tutorial