code: def display_event(div, attributes=[]):
      
      style = 'float: left; clear: left; font-size: 10pt'
      return CustomJS(args=dict(div=div), code="""
          var attrs = %s;
          var args = [];
          for (var i = 0; i<attrs.length; i++ ) {
              var val = JSON.stringify(cb_obj[attrs[i]], function(key, val) {
                  return val.toFixed ? Number(val.toFixed(2)) : val;
              })
              args.push(attrs[i] + '=' + val)
          }
          var line = "<span style=%r><b>" + cb_obj.event_name + "</b>(" + args.join(", ") + ")</span>\\n";
          var text = div.text.concat(line);
          var lines = text.split("\\n")
          if (lines.length > 35)
              lines.shift();
          div.text = lines.join("\\n");
      """ % (attributes, style))
docs: Function to build a suitable CustomJS to display the current event
      in the div model.