Welcome to the Highcharts JS (highcharts) 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.

series.line.data.x

The x value of the point.

For datetime axes, a number value is the timestamp in milliseconds since 1970, while a date string is parsed according to the [current time zone] (https://api.highcharts.com/highcharts/time.timezone) of the chart. Date strings are supported since v12.