how do i run a react project created in codepen?

create-react-app compiles all the code into one or many javascript files. You cannot do that in codepen. You can use codepen with pre-compiled react files but you won’t get what you would expect from create-react-app.

See this Hello World example:

There are other sites like, where you can clone the repo of create-react-app and use the node environment.

CLICK HERE to find out more related problems solutions.

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