title: fetch response text from ajax response of a dropzone
body: <p>I've got the following response from dropzone successful upload.</p>
  
  <p><img src="https://s21.postimg.org/6chynkoyf/Capture.jpg"></p>
  
  <p>From this I need to fetch the responseText</p>
  
  <p>I tried: <code>console.log(response.xhr.responseText)</code> this show the full response text.</p>
  
  <p>When i try to fetch <code>img</code> from responseText like this <code>console.log(response.xhr.responseText.img)</code> the console throw <code>undefined</code></p>