These pages outline the chart configuration options, and the methods and properties of Highcharts objects.
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Callback JavaScript function to format the label. The value
is given by this.value
. Additional properties for this
are
axis
, chart
, isFirst
and isLast
. The value of the default
label formatter can be retrieved by calling
this.axis.defaultLabelFormatter.call(this)
within the function.
Defaults to:
function() {
return this.value;
}