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.
As far us I understand from your thread you want to autofill the information for your other field.
I will describe you with example.
Unfortunately, we don't have this feature on Jotform. However, we can fix that issue with conditions.
First of all, choose UPDATE / CALCULATE FIELD option on conditions.
Then, make the arrangements as you see below:
At that time, it will copy the field's value to desired field.
Here is how it works:
If you have any question or issues, please do not hesitate contacting us. We will be glad to assist you.