<form action="/mail/cb.php" id="form-price" data-close="close-price">
<div class="fields">
<input type="text" data-validation="1" name="name" placeholder="Ваше имя">
</div>
<div class="fields">
<input type="text" data-validation="1" name="phone" placeholder="Ваш телефон">
</div>
<div class="fields">
<input type="text" data-validation="1" name="email" placeholder="Ваш e-mail">
</div>
<div class="fields">
<input type="submit" name="send" class="btn-hover" value="Отправить">
</div>
</form>
при клике на submit как узнать id form?