npm 常用命令

    1. 查看 registry
npm config get registry
    1. 修改为淘宝镜像
npm config set registry http://registry.npm.taobao.org // 将registry设置为淘宝源
    1. 查看当前目录下安装了哪些 node 包
npm ls
    1. 登陆 npm
Username: txiaomeng
Password:
Email: (this IS public) 1018663766@qq.com
Logged in as leinov on http://registry.npmjs.org/
    1. 查看当前 npm 用户
npm whoami
    1. 发布本地包
npm public
    1. 查看 node 安装路径
npm get prefix
    1. 查看全局 node 包
npm root -g
    1. npm 清理缓存
npm cache clean -f