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.


  • Profile Image

    Form cut off at bottom. FAQs on changing form length not useful.

    Asked by dtuiadmin on August 14, 2015 at 01:43 PM

    Hi. We have a form on webpage http://dtui.com/onlinecdp. The form is cut off before the credit card information request can be viewed. Please provide information on how to increase the vertical length of the form so that all of the content shows. Thanks.

    Page URL:
    http://dtui.com/onlinecdp

    length form length useful cut
  • Profile Image
    JotForm Support

    Answered by Boris on August 14, 2015 at 04:35 PM

    The form displayed correctly for me when I just opened your site:

    However, I do see a potential scripting conflict on that page that may be preventing our script embedded forms from correctly calculating their height. For this reason, I would recommend that you please try using our iFrame embed method for embedding your forms onto that Wordpress site.

    To completely control the height of the iFrame you will be embedding, please leave out the script part of the iFrame embed codes (marked with orange background), and use just the iFrame part of the code (marked with green background). Then, you can change the height by editing the part I have marked in bold red below:

    <iframe id="JotFormIFrame" onload="window.parent.scrollTo(0,0)" allowtransparency="true" src="//form.jotformpro.com/form/40307241250944" frameborder="0" style="width:100%; height:1800px; border:none;" scrolling="no"></iframe>
    <script type="text/javascript">window.handleIFrameMessage = function(e) {var args = e.data.split(":");var iframe = document.getElementById("JotFormIFrame");if (!iframe)return;switch (args[0]) {case "scrollIntoView":iframe.scrollIntoView();break;case "setHeight":iframe.style.height = args[1] + "px";break;case "collapseErrorPage":if (iframe.clientHeight > window.innerHeight) {iframe.style.height = window.innerHeight + "px";}break;case "reloadPage":window.location.reload();break;}};if (window.addEventListener) {window.addEventListener("message", handleIFrameMessage, false);} else if (window.attachEvent) {window.attachEvent("onmessage", handleIFrameMessage);}</script>

    Please let us know if you need further assistance.

  • Profile Image

    Answered by dtuiadmin on August 14, 2015 at 04:45 PM
    Thank you. We will try that.
    Billy
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  • Profile Image
    JotForm Support

    Answered by Boris on August 14, 2015 at 06:15 PM

    You are kindly welcome. Just give us a shout if the form is still cut off after the change, and we will be happy to take a look and help.