For modifying the chart at runtime. See the class reference.
These pages outline the chart configuration options, and the methods and properties of Highcharts objects.
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Options for the series data labels, appearing next to each data point.
Since v6.2.0, multiple data labels can be applied to each single point by defining them as an array of configs.
In styled mode, the data labels can be styled with the
.highcharts-data-label class names