React framework learning, record configuration and operation, and actual combat

premise

1. You need to install node.js in advance
2. You need to compile the software (I use VScode here), you can download it yourself
3. React Chinese official website https://react.docschina.org/tutorial/tutorial.html#setup-option -2-local-development-environment

My current node version (for reference only)

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initialization

build development environment

Open cmd and run it as an administrator (forgot to take a screenshot, the installation is successful)
npm install -g create-react-app

first initial project

• Open cmd under the folder where the project is stored, create a project, and my-react-app is the name of the project. If you
  create-react-app my-react-app
  see the content in the following screenshot, it is successful.
  
  

• Enter the project root directorycd my-react-app
  

• runnpm start
  

• At this time, use a browser to access - http://localhost:3000/ to view the following page, indicating that the initialization is successful
  
  ↑ 2.17 update