In the official documentation you’ll find a copy-paste HTML template that you can save in an .html file and get started right away.
However, the link in this text is removed. It is redirected to a "hello world" example which unfortunately requires tooling; and this is contradicting with the context.
Under the Learning react itself heading it is stated that:
However, the link in this text is removed. It is redirected to a "hello world" example which unfortunately requires tooling; and this is contradicting with the context.
I think either link or the text needs an update.