old-web/app/views/querySubmit.ejs

<!--suppress HtmlUnknownAnchorTarget -->
<div class="row center-align">
  <h4>Da Vam javimo kada se Vaša željena nekretnina pojavi u oglasima, upišite svoj e-mail</h4>
</div>

<form method="POST" id="form-submitquery">
  <div class="row center-align">
    <div class="col s6 push-s3">
      <input id="email" name="email" type="email" placeholder="vas.email@mail.com" required size="250" />
    </div>
  </div>

  <div class="row">
    <div class="col s6 push-s3">
      <h6 id="error-lable-email" style="color: red"><%= error %> </h6>
    </div>
  </div>

  <div class="row center-align">
    <div class="col s6 push-s3">
      <input id="confirm" name="confirm" type="email" placeholder="potvrdite.email@mail.com" required size="250" />
    </div>
  </div>

  <div class="row">
    <div class="col s6 push-s3">
      <h6 id="error-lable-email-confirm" style="color: red"></h6>
    </div>
  </div>

  <div class="row">
    <div class="col s6 push-s3">
      <a id="submit" href="#" class="welcome-center-button waves-effect waves-light btn">
        Javi mi
      </a>
    </div>
  </div>
  <div class="row">
    <div class="col s6 push-s3">
      <p>* U svakom trenutku možete prekinuti slanje objava kroz link u e-mailu</p>
    </div>
  </div>
</form>

<script>
  $(document).ready(() => {
    $("#submit").click(() => {
      const emailField = document.getElementById('email');
      const emailConfirmField = document.getElementById('confirm');
      const errorMessage = "Greška ! Unedite validan email";
      $("#error-lable-email").text("");
      $("#error-lable-email-confirm").text("");

      if (!emailField.validity.valid) {
        $("#error-lable-email").text(errorMessage);
        return
      }

      if (!emailConfirmField.validity.valid) {
        $("#error-lable-email-confirm").text(errorMessage);
        return
      }

      $("#form-submitquery").submit();

    });
  });
</script>