查看当前镜像

```javascript
npm help config
npm config get registry
```

设置全局镜像

```javascript
npm config set registry https://registry.npm.taobao.org --global
```

版本管理:[GitHub - nvm-sh/nvm: Node Version Manager - POSIX-compliant bash script to manage multiple active node.js versions](https://github.com/nvm-sh/nvm#usage)

```javascript
## nvm
node version manage
## npm
node package manage
## nrm
node remote manage
```