Get Started With ReactJS 2020

ReactJS or React is a JavaScript library to create and design interactive user interfaces. Following is a list of steps/commands to get started with ReactJS/ React App.

  • npm install -g create-react-app
  • CD into the folder where you want to create the react app
  • To create a react app, run the command: create-react-app myapp
  • A react app (named reactapp) is created with default files and folders
  • To run the app on localhost, run the command: npm start
  • To serve the build of the app we can use the serve package. To install it, run the command: npm install -g serve
  • To create a build for the app, run the command npm run build
  • To serve the build of the app, run the command: serve -s build


Error message like “events.js:174 throw er; // Unhandled ‘error’ event ^ Error: spawn cmd ENOENT at Process.ChildProcess._handle.onexit… “


  • Go into control panel -> System -> Advanced system Settings -> Environment Variables
  • Edit PATH variable
  • On edit screen, click the New button and add C:\Windows\system32 there
  • Then click Ok and restart the system
  • Run the app again


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