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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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Though it does not seemt to be possible to set the field to read only, you can hide it from view. Adding the following CSS to your form will hide the widget in your form:
display : none;
The widget will still function as it did before, however, since it is hidden users will no longer be able to modify it. Here is my test form with the changes made:
Thank you for your prompt reply.
May I know how to add the CSS code below in my form ? under which settings ?
Apologies, I should have included our guide on how to add the code. Here is that guide: