How to copy a folder with nw.js?

Hello

Can you tell me how to build a program to select nw.js a folder and then copy it to a button?

And another question how can I make a folder with nw.js?

I actually want to create a program that the user can copy to that folder either by dragging and dropping or by selecting a folder where I want

please guide me

Thank you

Hello

I read it but didn't notice it

It would be great for someone to do this for me