headless/test/data/structured_doc/popup_button.html - chromium/src.git - Git at Google

 <!DOCTYPE html>
 <html lang="en">
 <body>
   <button aria-haspopup="menu" aria-label="Menu button">Open Menu</button>
   <button aria-haspopup="listbox">Select Option</button>
 </body>
 </html>
	<!DOCTYPE html>
	<html lang="en">
	<body>
	<button aria-haspopup="menu" aria-label="Menu button">Open Menu</button>
	<button aria-haspopup="listbox">Select Option</button>
	</body>
	</html>