Use cookies to check if an Unbounce form has already been submitted

already-submitted.html

<script type="text/javascript">
/*
Unbounce Community :: Tips & Scripts :: Check if Form Already Submitted
TS:0002-04-086
***********************
Do not remove this section. It helps our team troubleshoot possible issues and track feature usage and adoption.
*/
  
  // Set amount of time until cookie expires (in Minutes) and form can be submitted again
  var minutes = 1;
  
  // Add ID of field to check for submission
  var fieldId = "oop_you_already_submitted";
  
  // Add ID of submit button
  var submitButton = $("#lp-pom-button-10");
  
  // Display messgae when someone tries to double submit
  var errorMessage = 'You Already Submitted This Form. Clear Browser Cookies to re-submit';
  
  
  // Do Not Edit Code Below - SET COOKIE 
  function yourSubmitFunction(e, $) {
    e.preventDefault();
    
    // set cookie
    function setCookie(co, cvalue, mins) {
      var d = new Date();
      d.setTime(d.getTime() + (mins * 60 * 1000));
      // set expirey 
      expires = "; expires="+d.toGMTString();
      document.cookie = co+"="+cvalue+expires+"; path=/";
    }
    setCookie("convert", true, minutes);
    // If your code is asynchronous, call this final line in your callback instead
    $('.lp-pom-form form').submit();
  }
  lp.jQuery(function($) {
  $('.lp-pom-form .lp-pom-button').unbind('click tap touchstart').bind('click.formSubmit tap.formSubmit touchstart.formSubmit', function(e) {
      if ( $('.lp-pom-form form').valid() ) yourSubmitFunction(e, $);
    });
    $('form').unbind('keypress').bind('keypress.formSubmit', function(e) {
      if(e.which === 13 && e.target.nodeName.toLowerCase() !== 'textarea' && $('.lp-pom-form form').valid() )
        yourSubmitFunction(e, $);
    });
  });
  
  
    // Do Not Edit Code Below - CHECK FOR COOKIE
  var field = $("#"+fieldId);
  var label = $(submitButton).children();
  var container = $("#container_"+fieldId);
  $(container).css("display", "none");
  
  // get cookie
  function getCookie(co) {
    var name = co + "=";
    var decodedCookie = decodeURIComponent(document.cookie);
    var ca = decodedCookie.split(';');
    for(var i = 0; i <ca.length; i++) {
      var c = ca[i];
      while (c.charAt(0) == ' ') {
          c = c.substring(1);
      }
      if (c.indexOf(name) == 0) {
          return c.substring(name.length, c.length);
      }
    }
    return "";
  }
  
  // check cookie
  function checkCookie() {
    var convert = getCookie("convert");
    if (convert != "") {       
        $(submitButton).css("cursor", "not-allowed");
        $(label).css("cursor", "not-allowed");
        $(field).val(convert);
    }
  }
  
  checkCookie();
  $(field).css("display", "none");
  
  
  lp.jQuery(function($) {
  
    // Config
    var ruleID = 'alreadySubmitted';
    var field = fieldId;
    var message = errorMessage;
  
    var rules = module.lp.form.data.validationRules[field];
  
    $.validator.addMethod(ruleID, function(value, field) {
  
      var valid = ( value === '' );
  
      return valid || (!rules.required && !value);
    }, message);
  
    rules[ruleID] = true;
  
  });
</script>