<!doctype html> <html> <head> <meta charset="utf-8"> <title>Dart Arrow Key Event Example</title> </head> <body> Press Any Key:<br> <textarea id="info" rows="20" cols="80"></textarea> <script type='text/javascript'> var script = document.createElement('script'); if (navigator.userAgent.indexOf('(Dart)') === -1) { // Browser doesn't support Dart script.setAttribute("type","text/javascript"); script.setAttribute("src", "arrow-key.js"); } else { script.setAttribute("type","application/dart"); script.setAttribute("src", "arrow-key.dart"); } document.getElementsByTagName("head")[0].appendChild(script); </script> </body> </html>