# 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.

# accessibility.screenReaderSection.beforeChartFormat

Format for the screen reader information region before the chart. Supported HTML tags are `<h1-7>`, `<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.