In Jumpseller

Estimate_shipping_checkout.liquid

<!-- Estimate shipping values on the checkout page -->
<script>
  function cleanEstimates(){
    // remove all prices and errors
    $('#shipping_options li').each(function(){ $(this).children().last().detach(); });

    // add empty messages - placeholders
    $('#shipping_options li').each(function(){ $(this).append('<span></span>') });
  }

  function shippingEstimates(){
    cleanEstimates();
    if($('#order_shipping_address_country').val() != "" && $('#order_shipping_address_region').val() != ""){
      $.ajax({
        method: "POST",
        url: "/checkout/shipping_estimate",
        data: {
          estimate: {
            country: $('#order_shipping_address_country').val(),
            region: $('#order_shipping_address_region').val(),
            municipality: $('#order_shipping_address_municipality').val(),
            postal: $('#order_shipping_address_postal').val(),
            city: $('#order_shipping_address_city').val()
          }
        }
      }).done(function( data ) {
        for(var i = 0; i < data.length; i++) {
          // remove any previous messages & placeholders
          $('#shipping_options #order_shipping_method_' + data[i].table.id).parent().children().last().detach();

          if(data[i].table.error){
            // disable options with errors
            $('#shipping_options #order_shipping_method_' + data[i].table.id).attr('disabled', 'disabled');

            // add error messages
            $('#shipping_options #order_shipping_method_' + data[i].table.id).parent().append("<p class='shipping_information'><i>" + data[i].table.error_message + "</i></p>")
          } else {
            // enable options
            $('#shipping_options #order_shipping_method_' + data[i].table.id).attr('disabled', false);

            // add formatted shipping prices
            $('#shipping_options #order_shipping_method_' + data[i].table.id).parent().append("<p class='shipping_information'><i>" + data[i].table.price + "</i></p>")
          }
        }

        if ($('#shipping_options input:enabled').length == 0) {
          $('#submit_review_order_2').addClass('disabled');
        }
        else {
          $('#submit_review_order_2').removeClass('disabled');
        }
      });
    } else {
      // no Country or Region filled, clear shipping estimate info
      cleanEstimates();
    }
  }

  /* LISTENERS */

  var debounceTimer = null; // so it does only a single request instead of lots of them.

  $('#order_shipping_address_country, #order_shipping_address_region, #order_shipping_address_municipality, #order_shipping_address_city, #order_shipping_address_postal').change(function(){
    clearTimeout(debounceTimer);
    debounceTimer = setTimeout(function(){
      shippingEstimates();
    }, 300);
 });

  // END OF LISTENERS

  $(document).ready(function(){
    // add empty messages - placeholders
    $('#shipping_options li').each(function(){ $(this).append('<span></span>') });
    shippingEstimates();
  })
  </script>