Editar el código:
ver Resultados »
Inténtalo tú mismo - ©
w3ii.com
<!DOCTYPE html> <html> <body onmousedown="isKeyPressed(event)"> <p>Click somewhere in the document. An alert box will tell you if the ALT key was pressed when the onmousedown event occured.</p> <p><strong>Tip:</strong> Try to press and hold down the ALT key (on your keyboard) before you click in the document.</p> <script> function isKeyPressed(event) { if (event.altKey) { alert("The ALT key was pressed!"); } else { alert("The ALT key was NOT pressed!"); } } </script> </body> </html>