# JS API Reference

# Welcome to the Highcharts JS Options Reference

These pages outline the chart configuration options, and the methods and properties of Highcharts objects.

Feel free to search this API through the search bar or the navigation tree in the sidebar.

# exporting.csv.decimalPoint

Which decimal point to use for exported CSV. Defaults to the same as the browser locale, typically `.` (English) or `,` (German, French etc).