title: ajax sent html input file content jquery
body: <p>I have a form with a file input.</p>
  
  <pre><code>&lt;input id="frm-documentForm-documentForm-files" class="required_1" type="file" data-nette-rules="[{"op":":filled","msg":"FILE\/S are mandatory!"}]" required="" multiple="" name="files[]"&gt;
  </code></pre>
  
  <p>And jquery code</p>
  
  <pre><code>$('#frm-documentForm-documentForm-files').change(function() {
          $.ajax({
              url: "?do=getProperties",
              type: 'POST',
              data: this,
              processData: false,
              contentType: "multipart/form-data",
              success: function(data) {
                  alert("success");
              }
          });
  </code></pre>
  
  <p>And when I dump post or files, both are empty. (array())</p>
  
  <p>What do I need to do to fix it?</p>
  
  <p>Thanks for you help.</p>