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<!-- @BLINK-ALLOW:focus* @WAIT-FOR:done --> <html> <body> <div aria-hidden="true"> <div role="button">Button</div> </div> <script> document.addEventListener('DOMContentLoaded', () => { setTimeout(() => { document.querySelector('[role=button]').tabIndex = 0; document.title = 'done'; }, 50); }); </script> </body> </html>