chromium/content/test/data/accessibility/win/ia2/iaccessibletextselectioncontainer/iaccessibletextselectioncontainer-selections.html

<!--
@SCRIPT:
  input.QueryInterface(IAccessibleTextSelectionContainer).selections
-->
<!DOCTYPE html>
<input id="input" value="My name is Petya">
<script>
  let input = document.getElementById("input");
  input.focus();
  input.setSelectionRange(3, 5);
</script>