Tested on
Chrome 49.0.2623.110
Accessibility Developer Tools 2.10.9
[Severe] This element has an unsupported ARIA attribute (1)
See AX_ARIA_10 for more information.
<div id="accordion" class="panel-group " role="tablist" aria-multiselectable="true">
[...]
AX_ARIA_10 says that "Many ARIA attributes (states and properties) can only be used on elements with particular roles". According to W3: aria-multiselectable is used in roles: grid, listbox, tablist, tree.
Tested on Chrome 49.0.2623.110 Accessibility Developer Tools 2.10.9
AX_ARIA_10 says that "Many ARIA attributes (states and properties) can only be used on elements with particular roles". According to W3: aria-multiselectable is used in roles: grid, listbox, tablist, tree.
Cheers, and thanks for this cool software.