npm

npm 获得当前源

npm config get registry

npm 设置当前源

npm config set registry <registry-url>

npm 切换回官方源

1. 删除当前配置的源

npm config delete registry

2. 直接重新设置源

nrm ls
npm config set registry <registry-url>

Install the specified version of npm

npm install -g @npm <npm-version-number>