Kartra Forms - Capture fields to local storage

if (window.localStorage) {
  $(function () {
    function enableCaptureOnSubmit () {
      $('form').off('.field-capture');
      $('form').on('submit.field-capture', function () {
        var $this = $(this);
        var name = $this.find('input[placeholder*="First name"]').val(); // Adjust these to match as necessary
        var email = $this.find('input[placeholder*="Email address"]').val();
        if (undefined !== name && undefined !== email) {
          localStorage.setItem('optin-name', name);
          localStorage.setItem('optin-email', email);
        }
      });
    }
    setTimeout(enableCaptureOnSubmit, 0);
    try {
      var bmo = new MutationObserver(enableCaptureOnSubmit);
      bmo.observe(document.body, { childList: true, subtree: true });
    } catch (e) {}
  });
}