Vue 学习笔记（二）

1、在构建时，发现警告了，升级npm到最新版

$ npm init vite vue-demo
√ Select a framework: » Vue
√ Select a variant: » TypeScript

Scaffolding project in D:\vscode\vue-demo...

Done. Now run:

  cd vue-demo
  npm install
  npm run dev

npm notice
npm notice New major version of npm available! 8.19.2 -> 9.1.2
npm notice Changelog: https://github.com/npm/cli/releases/tag/v9.1.2
npm notice Run npm install -g npm@9.1.2 to update!
npm notice

$ npm install -g npm@9.1.2

2、toRef、toRefs、toRaw