platform-guideline checked
Highcharts: Dynamic data and drilldown accessibility
Documents announcing changed chart data and drilldown events to screen-reader users when dynamic chart data updates.
Pattern Decisions This Source Supports
| Pattern | Supported decision | Required contract | Claim note |
|---|---|---|---|
| Chart drilldown | Choose Chart drilldown when a visible chart mark represents an aggregate with a direct child series that answers the next analytic question. | A drillable mark can only reveal data that is a child of that mark under the current filters, metric, unit, time range, aggregation, and permission scope. | Highcharts documents announcements for dynamic data and drilldown changes. |
Evidence Role
This source is treated as platform-guideline evidence. Use it to validate the decision rules above, not as a visual style reference.
Publisher: Highcharts. Last checked: .