title: Showing loader gif in datatables
body: <p>I'm using datatables. My code is working fine. Now I want to add a loader image(gif). I don't know how to add this. Here is my datatable script .</p>
  
  <pre class="lang-js prettyprint-override"><code>$(document).ready(function() {
      var ref = $('#example').DataTable( {
          "processing": true,
          "serverSide": true,
          "ajax": "mails",
          "columns": [
                      { "data": "from" },
                      { "data": "object" },
                      { "data": "created" }
                  ]
      } );
  
  } );
  </code></pre>