React 시작 - Create React App 셋팅

1. node.js , vscode 설치

2. npm install -g create-react-app

npm install -g create-react-app

2번에서 인증서 오류 발생시 ( npm ERR! code SELF_SIGNED_CERT_IN_CHAIN) 다음을 먼저 실행

npm config set registry="http://registry.npmjs.org/"
npm config set strict-ssl false -g 

3. create-react-app my-react-app

create-react-app my-react-app

4. cd my-react-app

cd my-react-app

5. npm start

npm start