Callback invoked when the active data point changes during navigation. Used by canvas-based charting libraries (e.g., Chart.js) for visual highlighting.
Object containing the current navigation position
The ID of the active layer/trace
The current row index (e.g., dataset index)
The current column index (e.g., data point index)
Callback invoked when the active data point changes during navigation. Used by canvas-based charting libraries (e.g., Chart.js) for visual highlighting.