The tree map control provides built-in compliance with WAI-ARIA specifications. WAI-ARIA accessibility supports are achieved using attributes such as
aria-label. It helps to provide information about elements in a document for assistive technology.
This attribute provides the text label with some default description for the following elements in tree map.
|TreeMap Title||Reads the tree map title|
|TreeMap Subtitle||Reads the tree map subtitle|
|Legend Title||Reads the legend title|
You can change this default description using the description property available in
TreeMap objects. It helps screen readers to read for assistive purpose.