<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <title></title>
  <script>
    function isCurrentWinnerWindow() {
      // If we are the current inner window for our BrowsingContext, bare word
      // access to `name` will return "". If we are not, it will throw.
      // Note that this is *not* the same as accessing `window.name`, which
      // will go through our WindowProxy, which will always forward it to the
      // currently-active inner window.
      try {
        void name;
        return true;
      } catch (e) {
        return false;
      }
    }
  </script>
</head>
<body>
</body>
</html>
