I think you can (with a warning), but it's still recommended to use the normal React naming conventions according to [0]: > Note: always use the canonical Reac

I think you can (with a warning), but it's still recommended to use the normal React naming conventions according to [0]: > Note: always use the canonical React naming for all supported attributes. Looking through the examples, it looks like non-string class values will be converted to strings, while non-string className values will be ignored (with a warning). [0] https://facebook.github.io/react/blog/2017/09/08/dom-attributes-in-react-16.html https://facebook.github.io/react/blog/2017/09/08/dom-attribu...