build react app code example

Example 1: yarn create react app

// Go into the folder where you wish to create your app
yarn create react-app appname

Example 2: npm create react app

npx create-react-app app-name
cd app-name
npm start

Example 3: command to create react app

npx create-react-app my-app
cd my-app
npm start

Example 4: install react yarn

yarn create react-app my-appCopied

Example 5: create a new project with create-react-app

npx create-react-app project-name

Example 6: build react app

Build a react project
Code has to be bundled using a bundler like webpack and
 transformed using a compiler like Babel.
do production optimizations such as code splitting(critical CSS)
statically pre-render some pages for performance and SEO. 
use server-side rendering or client-side rendering.
write some server-side code to connect your React app to your data store.
OR use create-react-app