title: how to download the pdf through ajax call to nodejs server
body: <p>It need page refresh to download the attachment response.so how i am suppose to be reload the page partially without reload the complete page using GET method ajax call.</p>
  
  <p>The PDF download require page reload to show save as dialog.</p>
  
  <p>In facebook they are doing the photo download without refresh the whole page.They reload the page partially.</p>
  
  <p>any one help me?</p>