JS API Reference

Welcome to the Highcharts JS (highcharts) Options Reference

These pages outline the chart configuration options, and the methods and properties of Highcharts objects.

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plotOptions.treemap.events.setRootNode

Fires on a request for change of root node for the tree, before the update is made. An event object is passed to the function, containing additional properties newRootId, previousRootId, redraw and trigger.