automatically pulls in a ton of dependencies such as babel , webpack , eslint

a development server with hot reloading

provides a testing environment with Jest

allows to build the React app

ready for ES6+ syntax

bundles all your JavaScript and assets

comes with CSS autoprefixer, SASS and CSS Modules support

//install create-react-app
npm install -g create-react-app
		

created a files structure in the folder you told (todolist in this case), and initialized a Git repository

npm start, starts the development server

npm run build, bundles the app into static files for production

npm test, starts the test runner

npm run eject, removes this tool and copies build dependencies, configuration files and scripts into the app directory

//create project
create-react-app learn-jsx-es6