Accessible Charts with HTML-in-Canvas

Quarterly Revenue

Q1 $42K
Q2 $58K
Q3 $35K
Q4 $71K

Market Share

Enterprise 38%
SMB 27%
Consumer 22%
Gov't 13%

Use Tab to focus chart items · ← → to navigate within a chart.
Screen readers announce each item's label and value. Focus rings are drawn via drawFocusIfNeeded.