Validate local delivery and pickup times

{% if template contains 'cart' %}
<script type="text/javascript">
$(document).ready(function() {
  $("[name='checkout']").on("click", function() {
    var date = $(".zapietCollectionDate").val();
     
    if(date == '') {
      alert('Please select a date and time.');
      return false;
    }
  });
});
</script>
{% endif %}