JotForm is a free online form builder which helps you create online forms without writing a single line of code. No sign-up required.
We believe that if one user has a question, there could be more users who may have the same question. This is why many of our support forum threads are public and available to be searched and viewed. If you’d like help immediately, feel free to search for a similar question, or submit your question or concern.
No, that would not be possible Robert. It was possible at early stages and a reference to that might be seen on some old threads, but due to security concerns it is no longer possible to be added at all because of various security features preventing the same.
The only way to do it would be as you have mentioned, through custom JS code.