anchor.diff:                          cm.foldCode(cm.getCursor());
                       },
                       "F11": function (cm) {
  +                        isAlertResult = !cm.getOption("fullScreen");
                           cm.setOption("fullScreen", !cm.getOption("fullScreen"));
                       },
                       "Esc": function (cm) {
  
positive.code:                             $(resultDiv).addClass('alert-danger').removeClass('alert-success');
                              $(resultDiv).html("<strong>Error! </strong> " + data.message);
                              $(resultDiv).show();
                          }
                      },
                      error: function () {
  
negative.code:                     <p><code>Control + Alt + I </code>To insert random image urls at selected position</p>
                      <p><code>F1 </code>To search for a route</p>
                      <p><code>F4 </code>To generate API interface method</p>
                      <p><code>F7 </code>To save</p>
                  </div>
                  <div class="modal-footer">
                      <button type="button" class="btn btn-default" data-dismiss="modal">Close</button>
  