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<!DOCTYPE html> <html> <head> <script> function whichButton(event) { document.getElementById("demo").innerHTML = event.keyCode; } </script> </head> <body onkeyup="whichButton(event)"> <p><b>Note:</b> Make sure the right frame has focus when trying this example!</p> <p>Click on this page, and press a key on your keyboard.</p> <p id="demo"></p> </body> </html>
