可读性API

I want to use readability parser API but when I am making call to this API I am getting blank/no response.

When I tried with some other url the same code is giving proper response.

<html>
   <meta http-equiv="Content-Type" content="text/html; charset=utf-8;"> 
   <head>
      <script language="javascript">
         var getJSON = function(url, successHandler, errorHandler) {
            var xhr = new XMLHttpRequest();
            xhr.open('get', url, true);
            alert("-------" + url);
            //xhr.responseType = 'json';
            xhr.onload = function() {
               var status = xhr.status;
               alert("===========" + status);
               if (status == 200) {
                  successHandler && successHandler(xhr.response);
               } else {
                  errorHandler && errorHandler(status);
               }
            };
            xhr.send();
         };

         function getReading() {
            var url1 = "https://www.readability.com/api/content/v1/parser?url=";
            var testurl = "http://www.saptechnical.com/Tutorials/WebDynproABAP/ALV/page1.htm";
            var urltoken = "&token=tokenkeyhere";
            var finalurl = url1 + testurl + urltoken;
            alert(finalurl);
            getJSON(finalurl, function(data) {
               alert(data.domain);
            });
         }
      </script>
   </head>
   <body>
      <input type="button" value="go" onClick="getReading()" />
</html>

I got answer and code is working now.. I used getJSON method to make a call to API.

function getInfo() {
    var url = $("#txtSubmitlink").val();
        $.getJSON("https://www.readability.com/api/content/v1/parser?url="+ url +"&token=tokenkeyhere&callback=?",
        function (data) {
            $("#dvContent").html(data.content);
            $("#imgLeadImage").attr('src', data.lead_image_url);
        });
    }

Thanks everyone-