SeriesHighlightComponent

The border of the highlighted Chart series. The color is computed automatically from the base point color. The border option is supported when series.type is set to "donut", "bubble", "pie", "candlestick", or "ohlc".

The highlight color. Accepts a valid CSS color string, including hex and rgb. The color option is supported when series.type is set to "donut" or "pie".

The line of the highlighted Chart series. The color is computed automatically from the base point color. The line option is supported when series.type is set to "candlestick" or "ohlc".

The appearance of the highlighted point markers. The markers option is supported when series.type is set to "line", "area", "scatter", "scatterLine", or "rangeArea".

The opacity of the highlighted points. The opacity option is supported when series.type is set to "bubble", "pie", or "donut".

A function for handling the toggling of the points highlight.

The available argument fields are:

• preventDefault—A function that can be used to prevent the showing of the default highlight overlay.
• show—A Boolean value indicating whether the highlight has to be shown.
• visual—The visual element that needs to be highlighted.
• category—The point category.
• dataItem—The point dataItem.
• value—The point value.
• series—The point series.

If set to true, the Chart highlights the series when the user hovers over it with the mouse. By default, the highlighting of the Chart series is enabled.

A function for setting custom visuals for the point highlights.

The available argument fields are:

• createVisual—A function that can be used to get the default highlight visual.
• rect—The geometry Rect that defines where the visual has to be rendered.
• visual—The visual element that needs to be highlighted.
• options—The point options.
• category—The point category.
• dataItem—The point dataItem.
• value—The point value.
• sender—The Chart instance.
• series—The point series.
• stackValue—The cumulative point value on the stack. Available only for the stackable series.
• percentage—The point value represented as a percentage value. Available only for the Donut, Pie, and 100% stacked charts.
• runningTotal—The sum of point values since the last "runningTotal" summary point. Available for the Waterfall series.
• total—The sum of all previous series values. Available for the Waterfall series.
• from—The from point highlight visual options. Available for the RangeArea and VerticalRangeArea series.
• to—The to point highlight visual options. Available for the RangeArea and VerticalRangeArea series.