aria-* states and properties are allowed
This rule tests conformance of the following accessibility requirements:
The attribute is either:
(global) a global state or property; or
This rule makes no assumptions.
This rule has no known accessibility support concerns.
<button aria-pressed="false">My button</button>
<div aria-busy="true">My busy button</div>
<label>Password<input type="password" aria-required="true" /></label>
<button aria-sort="ascending">Sort by year</button>
<div role="region">A region of content</div>
This element is not included in the accessibility tree:
<button aria-sort="ascending" aria-hidden="true">Sort by year</button>
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