npm init

yarn init

初始化某个项目

npm install/link

yarn install/link

默认安装依赖

npm install taco –save

yarn add taco

安装某个依赖并默认保存到package

npm uninstall taco –save

yarn remove taco

移除某个依赖

npm install taco –save -dev

yarn add taco -dev

安装某个开发时的依赖

npm update taco –save

yarn upgrade taco

更新某个依赖项目

npm install taco –global

yarn global add taco

安装某个全局依赖项目

npm publish/login/logout

yarn publish/login/logout

发布/登录/退出

npm run/test

yarn run/test

运行某个命令