epacket.js

(function() {

    'use strict';

    if ( !$('#narrow-form').length ) {
        return false;
    }

    var markup = `
        <img src="http://i00.i.aliimg.com/wimg/buyer/single/icon-ems.jpg" style="border: 3px solid #6FFF96; position: absolute; z-index: 0; width: 55px;" />
    `;

    var BASE_URL = 'http://freight.aliexpress.com/ajaxFreightCalculateService.htm?country=US&count=1&f=d&currencyCode=USD';
    var $items = $( '#list-items .list-item, .list-items .list-item' );
    $items.each(function( index, item ) {
        var $item = $( item );

        setTimeout(function() {
            if ( $item.attr('qrdata') ) {
                var qrdata = $item.attr( 'qrdata' );
                $.ajax({
                    type: 'GET',
                    dataType: 'jsonp',
                    url: BASE_URL + '&productid=' + qrdata.split( '|' )[1],
                    success: function( response ) {
                        for ( var i = 0; i < response.freight.length; i++ ) {
                            if ( response.freight[i].companyDisplayName === 'ePacket' ) {
                                var price = parseFloat( $item.find( '.price .value' ).text().replace( /[^\d.]/gi, '' ) );
                                price = ( parseFloat(response.freight[i].price) + price ).toFixed(2);
                                $item.prepend( $(markup) );
                                $item.prepend( $('<span style="font-size: 21px; position: absolute; right: 172px; z-index: 0; background: #FF6F6F; color: #fff;">$' + price + '</span>') );
                            }
                        }
                    }
                });
            }
        }, 150 + (index * 500) );
    });

})();