If you created a React application using the create-react-app tool in the previous chapter, then you have everything you need to launch a development server. No configuration is necessary! Let's start it up right now. First, make sure that you're in the project directory:
Now you can start the development server:
This will start the development server using the start script from the react-scripts package. You should see the console output that looks like this:
Compiled successfully! You can now view my-react-app in the browser. Local: http://localhost:3000/ On Your Network: http://192.168.86.101:3000/ Note that the development build is not optimized. To create a production build, ...