What is JotForm?
JotForm is a free online form builder which helps you create online forms without writing a single line of code. No sign-up required.
At JotForm, we want to make sure that you’re getting the online form builder help that you need. Our friendly customer support team is available 24/7.
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.
JotForm Support Manager
Make sure you add the dropdown menu with all the options, as well as the fields to be shown or hidden.
Then, follow these steps:
Go to “Setup & Embed” and click "Conditions".
Select SHOW/HIDE option
At IF declaration, you must choose your dropdown menu :
On the THEN declaration, choose the field you wish to show only if that conditon is met (otherwise it will be hidden)
See this example:
I hope this helps, otherwise let us know.