io.udash.wrappers.highcharts.config.accessibility
Whether or not to add series descriptions to charts with a single series.
Enable accessibility features for the chart.
Options for keyboard navigation.
Function to run upon clicking the "View as Data Table" link in the screen reader region.. . By default Highcharts will insert and set focus to a data table representation of the chart.
Date format to use for points on datetime axes when describing them to screen reader users.. Defaults to the same format as in tooltip.. For an overview of the replacement codes, see dateFormat.
Formatter function to determine the date/time format used with points on datetime axes when describing them to screen reader users. Receives one argument, point
, referring to the point to describe. Should return a date format string compatible with dateFormat.
Formatter function to use instead of the default for point descriptions. Receives one argument, point
, referring to the point to describe. Should return a String with the description of the point for a screen reader user.
When a series contains more points than this, we no longer expose information about individual points to screen readers..
Set to false
to disable.
A formatter function to create the HTML contents of the hidden screen reader information region. Receives one argument, chart
, referring to the chart object. Should return a String with the HTML content of the region..
The link to view the chart as a data table will be added automatically after the custom HTML content.
Formatter function to use instead of the default for series descriptions. Receives one argument, series
, referring to the series to describe. Should return a String with the description of the series for a screen reader user.