selection-modify-per-word-in-table-header-group.html

<!doctype html>
<html>
<head>
<meta charset="utf-8">
<style>
dialog {
  display: table-header-group;
  translate: -1px 0px 0px;
  position: sticky;
}
</style>
<script>
addEventListener("DOMContentLoaded", () => {
  window.find("1");
  getSelection().modify("move", "left", "word");
}, {once: true});
</script>
</head>
<body>
<dialog>
<span style="position: fixed">1</span>
<table dir="rtl"></table>
<video>
</video>
</dialog>
</body>
</html>

chromium/third_party/blink/web_tests/external/wpt/selection/crashtests/selection-modify-per-word-in-table-header-group.html