dt><span class="returnLabel">Returns:</span></dt>
<dd>the property value
 <p>
 Contents:
 <p class="changed_added_2_2">
 Per the WAI-ARIA spec and its relationship to HTML5 (Section title ARIA Role Attriubute), every HTML element may have
 a "role" attribute whose value must be passed through unmodified on the element on which it is declared in the final
 rendered markup. The attribute, if specified, must have a value that is a string literal that is, or an EL Expression
 that evaluates to, a set of space-s