content/test/data/accessibility/event/pressed-state-change.html - chromium/src - Git at Google

 <!DOCTYPE html>
 <html>
 <body>
 <input id="c" type="button" aria-pressed="false" aria-label="My Button">
 <script>
   function go() {
     document.getElementById('c').setAttribute('aria-pressed', 'true');
   }
 </script>
 </body>
 </html>
	<!DOCTYPE html>
	<html>
	<body>
	<input id="c" type="button" aria-pressed="false" aria-label="My Button">
	<script>
	function go() {
	document.getElementById('c').setAttribute('aria-pressed', 'true');
	}
	</script>
	</body>
	</html>