The React docs point to a much more recent example of this setup: https://raw.githubusercontent.com/reactjs/reactjs.org/master/static/html/single-file-example.

The React docs point to a much more recent example of this setup: https://raw.githubusercontent.com/reactjs/reactjs.org/master/static/html/single-file-example.html https://raw.githubusercontent.com/reactjs/reactjs.org/master... And have actual instructions here: https://reactjs.org/docs/add-react-to-a-website.html https://reactjs.org/docs/add-react-to-a-website.html