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.item.sonification.defaultSpeechOptions.activeWhen.crossingDown

Track is only active when prop was above, and is now at or below this value.

If both crossingUp and crossingDown are defined, the track is active if either condition is met.