JS小技巧

eslint报错：  Line 4:8:  'qs' is defined but never used  no-unused-vars

// eslint-disable-next-line

 

 

安装不同版本

npm i <alias>@npm:<packageName>@版本

# 例子

npm i antd3@npm:antd@3

npm i antd4@npm:antd@4