This repo focuses on react learning.

• Use npm to create react app

  npm init react-app project-name
  

• Use npx to create react app

  npx create-react-app project-name
  

• Use yarn to create react app

  yarn create react-app project-name
  

• This is the 1st react sample.
• It was created by

  npx create-react-app hello-react
  

• Add bootstrap lib to this sample.
• Add input component.
• Add state property and setState API to change the property of component.