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:
cd my-react-app/
Now you can start the development server:
npm start
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, use npm run build.
You'll notice that in addition to printing this output in the console, this script will launch a new browser tab with http://localhost:3000/
as the address. The page that's displayed looks like this:
We've accomplished a lot in just a...