This event occurs when user presses a key , at the time of pressing the key this event gets fired. When user presses a key from keyboard the key goes down and as soon as the key goes down this event gets fired and can be trapped by using onkeydown event. A programmer can get the key pressed by the user before flashing the character on the screen. |
Example: |
<html>
<head> <title>events </title> </head> <body bgcolor=green text=yellow> <h4 align =center> Type character in the textbox </h4> <blockquote> You will notice that the dialogbox appears before the character appears in the textbox </blockquote> name : <input type=”text” name=”t1″ onkeydown=”ff()”> <script> function ff() { alert(“you pressed “+ event.keyCode) } </script> </body> </html> |