testing/web-platform/tests/selection/shadow-dom/cross-shadow-boundary-select-root-ref.html


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<!doctype html>
<html>
 <body>
 <div id="outerText">OuterText1</div>
 <div>InnerText1</div>
 <div>OuterText2</div>
 <div id="host">InnerText2</div>
 <script>
   window.getSelection().setBaseAndExtent(outerText, 0, host, host.childNodes.length);
 </script>
</body></html>