refresh

The refresh() method reloads the current instance of the TreeMap widget.
The optional parameter options gives the possibility to extend the initial options with the new ones.

<div id="treemap" />

<script type="text/javascript">
    $(function () {
        $('#treemap').shieldTreeMap({
              valueTemplate: "{value}",
              dataSource: {
                    data: [
                        {
                            "title": "Fastest Cars in the World",
                            "value": 1301,
                            "items": [
                                {
                                    "title": "Hennessey Venom GT",
                                    "value": 435
                                },
                                {
                                    "title": "Vector Avtech WX8 Hypercar",
                                    "value": 435
                                },
                                {
                                    "title": "Bugatti Veyron 16.4 Super Sport",
                                    "value": 431
                                }
                            ]
                        }
                    ]
                }
          });
    });

    var widget = $("#treemap").swidget();
    var options = { cls: "treemap" };
    widget.refresh(options);

</script>

<style>
      .treemap {
         max-width: 600px;
         height: 500px;
      }
</style>