Show a Tooltip in the TreeMap

Updated on Sep 8, 2026

Environment

Product	Progress® Kendo UI® Chart for jQuery
Operating System	Windows 10 64bit
Visual Studio Version	Visual Studio 2017
Preferred Language	JavaScript

Description

How can I use the Kendo UI Tooltip for the Kendo UI TreeMap tiles?

Solution

The following example demonstrates how to use the Kendo UI Tooltip for the Kendo UI TreeMap tiles.

Example

View Source

    <div id="treemap">
    </div>

    <script>
      $("#treemap").kendoTreeMap({
        dataSource: {
          transport: {
            read: {
              url: "https://demos.telerik.com/kendo-ui/content/dataviz/js/population-usa.json",
              dataType: "json"
            }
          },
          schema: {
            model: {
              children: "items"
            }
          }
        },
        valueField: "value",
        textField: "name",
        colors: [
          ["#0c81c5", "#c5dceb"], ["#3aa2de", "#d8ecf8"],
          ["#449000", "#dae9cc"], ["#76b800", "#dae7c3"],
          ["#ffae00", "#f5e5c3"], ["#ef4c00", "#f1b092"],
          ["#9e0a61", "#eccedf"]
        ]
      });
      $("#treemap").kendoTooltip({
        filter: ".k-leaf,.k-treemap-title",
        position: "top",
        content: function (e) {
          var treemap = $("#treemap").data("kendoTreeMap");
          var item = treemap.dataItem(e.target.closest(".k-treemap-tile"));
          return item.name + ": " + item.value;
        }
      });
    </script>

See Also

• TreeMap JavaScript API Reference
• Set Header Items Color