JS API Reference

Welcome to the Highcharts JS (highcharts) Options Reference

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

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accessibility.screenReaderSection.beforeChartFormat

Format for the screen reader information region before the chart. Supported HTML tags are <h1-6>, <p>, <div>, <a>, <ul>, <ol>, <li>, and <button>. Attributes are not supported, except for id on <div>, <a>, and <button>. Id is required on <a> and <button> in the format <tag id="abcd">. Numbers, lower- and uppercase letters, "-" and "#" are valid characters in IDs.

The headingTagName is an auto-detected heading (h1-h6) that corresponds to the heading level below the previous heading in the DOM.