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.


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    Is it possible to insert JavaScript in form?

    Asked by mathgenie on February 01, 2017 at 10:06 AM

    Does this have support for Javascript. I need to programmatically pre populate a field. 

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    JotForm Developer

    Answered by evren on February 01, 2017 at 10:10 AM

    Hi there,

    Instead of injecting JS, our conditions might help you. 

    Please feel free to ask for any further information.

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    Answered by mathgenie on February 01, 2017 at 10:45 AM
    They dont. Your conditions are not sufficient.
    ...
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    JotForm Support

    Answered by Nik_C on February 01, 2017 at 10:59 AM

    Unfortunately, you can no use JavaScript with our forms because of security reasons. The only way to use JavaScript is to download the Source code of your form and then apply JavaScript.

    Let us know if you have any further questions.

    Thank you!