title: How to alert ajax response on complete
body: <p>I am sending POST request </p>
  
  <pre><code>$.ajax({
     type : "POST",
     url : 'https://123.com/test.php',
     data: {json: json, id: id, token: token, number: num},
     xhrFields: {
                  withCredentials: true
              },
     complete : function(data){                   
                  alert( "Status: " + data.responseText );
     },
  });
  </code></pre>
  
  <p>Post request is working and when i look at chrome console i can see response is "success", but i cant display it .</p>
  
  <p>I have tryed</p>
  
  <pre><code>data.responseText
  </code></pre>
  
  <p>and</p>
  
  <pre><code>jQuery.parseJSON(data)
  </code></pre>
  
  <p>and</p>
  
  <pre><code>JSON.stringify(data)
  </code></pre>
  
  <p>I always get empty alert box     </p>