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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The width of the border surrounding each slice.

When setting the border width to 0, there may be small gaps between the slices due to SVG antialiasing artefacts. To work around this, keep the border width at 0.5 or 1, but set the borderColor to null instead.

In styled mode, the border stroke width is given in the .highcharts-point class.