Modern experience customisation

[S_S_Ramana]

Hello Team,

For one of the lists, we have modified the aspx for creating a new list item by adding a CEWP on the page which contains some javascript. This does not semem to work on Modern experience so we have det classic view as the default.

Can you please let me know how we can achieve the same on the modern experience?

Regards,

Ramana 

[#2]

Do you mean in the modern UI for least? If so, for now we don't have a way to do this kind of customizations

[#3]

As Juan Carlos says, this is not possible yet with Modern Libraries UI. Here you have more information about what you can do and not:
https://msdn.microsoft.com/en-us/pnp_articles/modern-experience-customizations-customize-lists-and-l...

The only option I see here is to create a new Custom action (kind of "My custom New Item"), and point to an Azure web app (secure with Azure AD and using Delegated permissions on SP) that will render a custom form and using CSOM create the Item in SP.
Seems too hard and I've never tried it...