Liu greatly recommended the packaging tool vite, early use

npm install create-vite-app -g
npm create-vite-app viteApp
cd viteApp
npm install --registry=https://registry.npm.taobao.org
npm run dev
Copy the code

Attach the VUe3 API address

V3.vuejs.org/api/basic-r…

Vue3 is rc version, start learning.