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JotForm is a free online form builder which helps you create online forms without writing a single line of code. No sign-up required.

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    Automatically populate a field with the input value of another field.

    Asked by harrysargent on October 17, 2013 at 09:30 AM

    Is it possible to auto populate a field from the input of another field?

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    JotForm Support

    Answered by ashwin_d on October 17, 2013 at 11:01 AM

    Hello harrysargent,

    Unfortunately, there is no inbuilt feature to populate a form field with the input value of another field.

    It can only be achieved by adding custom JaveScript in your form's source code. Please be informed that once your embed your form using your form's source code, any changes you make in your form editor will not be reflected in your form. You will have to grab your form's source code and add the custom JavaScript again.

    If you are okay to use your form's source code, I will be happy to provide you custom JavaScript for your form to achieve your requirement. Do let me know in which form you want to populate field with the value of another text field value.

    We will wait for your response.

    Thank you!

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    JotForm Founder

    Answered by aytekin on October 17, 2013 at 10:28 PM

    There is a tutorial on this:

    http://www.jotform.com/help/107-How-to-Give-Users-the-Ability-to-Easily-Copy-Content-from-One-Field-to-Another

     

    It is not very easy but it is possible. Hope this helps.