tion.</p>
<p>Platforms are free to completely ignore hidden elements and new platforms
are encouraged to do so.</p>
<p>Instead of marking an element as hidden it should usually be excluded from
the semantics tree altogether. Hidden elements are only included in the
semantics tree to work around platform limitations and they are mainly
used to implement accessibility scrolling on iOS.</p>
    </section>
        <section class="summary source-code" id="source">
      <h2><span>Implementation</span></h2>
     