thousandsSep property
Thousands separator to use when formatting numbers for screen readers. Note that many screen readers will not handle space as a thousands separator, and will consider "11 700" as two numbers.
Set to null
to use the separator defined in
lang.thousandsSep.
API Docs: https://api.highcharts.com/highcharts/lang.accessibility.thousandsSep
Implementation
String? thousandsSep;