Yes. N99panel does support NodeJS. We support NodeJS with multiple versions 10, 12, 14, 16, 18, 20 along with npm accompanying the corresponding version.
There are two modes under which NodeJS apps can run. Dev. (development) or Prod. (production mode). A typical lifecycle of a NodeJS app would be to first develop/test it in dev. move, and then when you are sure that it runs as per your expectation, then you can setup the prod. mode for your App.
To learn more about dev. mode, please click here
To learn more about prod. mode, please click here