A graphical object that controls the scrolling of content within a viewing area, regardless of whether the content is fully displayed within the viewing area.

<div id="content1">Lorem ipsum...</div>
<div
  role="scrollbar"
  aria-controls="content1"
  aria-orientation="vertical"
  aria-valuemax="100"
  aria-valuemin="0"
  aria-valuenow="25">
    <div class="scrollhandle"></div>
</div>