html5 - Can I use multiple ARIA roles on a parent element -

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can have multiple roles on parent element example:

<div class="row">     <div class="col-sm-6" role="rowheader">         <p>access our award-wi</p>     </div>     <div class="col-xs-6 col-sm-3" role="row gridcell" >  <<<         <img src="#{request.contextpath}/resources/books/images/icon_tick_table.png" role="gridcell"              alt="" title="s" class="table-image"/>     </div>     <div class="col-xs-6 col-sm-3">         <img src="#{request.contextpath}/resources/form/hello.jpg" role="gridcell"              alt=": yes" title="s" class="table-image"/>     </div> </div>

wai-aria’s role attribute can have list of values, first valid , supported wai-aria role used:

the first name literal of non-abstract wai-aria role in list of tokens in role attribute defines role according user agent must process element.

from user agent implementation guide role mapping:

[…] wai-aria allows multiple roles specified ordered set of space-separated valid role tokens. additional roles fallback roles similar concept of specifying multiple fonts in case first choice font type not supported.


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