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<!DOCTYPE html> <html> <body> <p>Press a key on the keyboard in the input field to get the number and character of the pressed key.</p> <input type="text" size="40" onkeypress="myFunction(event)"> <p id="demo"></p> <script> function myFunction(event) { var x = event.charCode || event.keyCode; // Get the Unicode value var y = String.fromCharCode(x); // Convert the value into a character document.getElementById("demo").innerHTML = "Number: " + x + " = Character: " + y; } </script> </body> </html>