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.
The line is place to represent to your user, how many characters should be placed in the field to complete the mask.
If the field only requires two digits you can adjust your input mask and that would remove the line.
Your second question has been moved to another thread: http://www.jotform.com/answers/518100
It will be addressed there.
I want to 5 digit, no less no more for 5 digit us zip code, without the underlie visible.
Is this possible?
To confirm, you would like to have the input mask applied without having the line to indicate the mask that is present on the field?
I do apologize for the inconvenience.
Please inform us if you need further assistance.