Highcharts: Format all numbers with comma?

Question

I\'m using Highcharts and I want to format all numbers showed anywhere in the chart (tooltips, axis labels...) with comma-separated thousands.

Otherwise, the default

Answer 1

This can be set with the thousandSep (API) global option.

Highcharts.setOptions({
    lang: {
        thousandsSep: ','
    }
});

See this JSFiddle example.