/usr/local/bin/node /usr/local/lib/node_modules/create-react-app/index.js .Creating a new React app in /Users/jack/WebstormProjects/helloworld.Installing packages. This might take a couple minutes.Installing react-scripts from npm...> fsevents@1.1.2 install /Users/jack/WebstormProjects/helloworld/node_modules/fsevents> node install[fsevents] Success: "/Users/jack/WebstormProjects/helloworld/node_modules/fsevents/lib/binding/Release/node-v57-darwin-x64/fse.node" already installedPass --update-binary to reinstall or --build-from-source to recompile> uglifyjs-webpack-plugin@0.4.6 postinstall /Users/jack/WebstormProjects/helloworld/node_modules/uglifyjs-webpack-plugin> node lib/post_install.js+ react-scripts@1.0.17added 1263 packages in 116.581snpm notice created a lockfile as package-lock.json. You should commit this file.Installing react and react-dom using npm...+ react-dom@16.1.1+ react@16.1.1added 2 packages in 19.051sSuccess! Created helloworld at /Users/jack/WebstormProjects/helloworldInside that directory, you can run several commands:  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. If you do this, you can’t go back!We suggest that you begin by typing:  cd /Users/jack/WebstormProjects/helloworld  npm startHappy hacking!Done

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译者的话：这是一篇非常优秀的 React 教程，该文对 React 组件、React Router 以及 Node 做了很好的梳理。