javascript - Request failing with "No 'Access-Control-Allow-Origin' header" -

i've created form using response (the email client) , trying use ajax on form create custom success/fail message. code works fine. when link ajax form stops working , receive below error message. appreciate help.

error: xmlhttprequest cannot load https://app.getresponse.com/add_subscriber.html. no 'access-control-allow-origin' header present on requested resource. origin 'http://localhost:8888' therefore not allowed access.

<form id="email-form-2" name="email-form-2" accept-charset="utf-8" action="https://app.getresponse.com/add_subscriber.html" method="post">  <input type="text" placeholder="your name" name="name">      <input type="text" placeholder="your email" name="email">        <textarea placeholder="your message..." name="custom_comment"></textarea>           <input type="hidden" name="campaign_token" value="xyz" />           <input type="submit" value="send message" data-wait="please wait...">         </form>         <div>           <p>thanks contacting :)</p>         </div>         <div>           <p>darn. didn't work. give shot , see happens :)</p>         </div>           <script type="text/javascript">           $(function () {            $('#email-form-2').submit(function (e) {            e.preventdefault();            $.ajax({             url: this.action,             data: $(this).serialize(),             type: 'post'             }).done(function () {             $("#email-form-2+div.w-form-done").show();            $("#email-form-2+div.w-form-fail").hide();            $("#email-form-2").hide();           })            .fail(function () {             $("#email-form-2+div.w-form-done").hide();            $("#email-form-2+div.w-form-fail").show();            $("#email-form-2").show();          });        });    }); </script> 

okay, suggest use curl using language prefer in server side. can suggest curl , php. try in proxy.php:

<?php      // create curl resource      $ch = curl_init();       // set url      curl_setopt($ch, curlopt_url, "https://app.getresponse.com/add_subscriber.html");      //return transfer string      curl_setopt($ch, curlopt_returntransfer, 1);      // $output contains output string     $output = curl_exec($ch);      // close curl resource free system resources     curl_close($ch);      // output     die($output); ?> 

and can use proxy.php in ajax requests in same domain. have way:

<?php     die(file_get_contents("https://app.getresponse.com/add_subscriber.html")); ?>