React

1- npm install -g create-react-app

      then occur this error Error: EACCES: permission denied, symlink '../lib/node_modules/create-

       react-app/index.js' -> '/usr/bin/create-react-app'

       then use this sudo npm install -g create-react-app

2- npm install -g create-react-app

       Error:- react-scripts: not found

       fix:- yarn install or nvm version not support