[Feature Request] how to add id to every DOM

[cxl971453503]

Existing Component

是

Component Name

All components

Description

My project is using element ui, now I want to do automated testing, so I need get the only dom, but element ui is not allow to add id prop to every dom

[wangdaodao]

可以写webpack插件实现，不过如果对于自动化测试，每次打包得保证dom上面id不能变……