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    Pre-populating email address in subscription forms through visible fields

    Version 3

      Note: Please ensure that you have access to an experienced JavaScript developer, because Marketo Technical Support is not set up to assist with troubleshooting custom JavaScript.

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      The default subscription management records the email address through hidden fields when users click the unsubscribe link in emails.

      A simple JavaScript can capture the email parameter and pre-populate a visible field.

      Drag and Drop a "Custom HTML" object into the top of the unsubscribe landing page.

      Add the following code:


      <script language="Javascript" src="/js/public/jquery-latest.min.js" type="text/javascript"></script>

      <script src="/js/public/jQueryString-2.0.2-Min.js" type="text/javascript" ></script>


        // to set cookies.  Uses noConflict just in case

        var $jQ = jQuery.noConflict();

        var pEmail = $jQ.getQueryString({ ID: "Email" });


      document.getElementById("Email").setAttribute("value", pEmail);




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