Attributes for <INPUT ...>
onKeyUp = "script command(s)"
onKeyDown = "script command(s)"
onKeyDown
is triggered when the user presses down on a key while
the cursor is in the input field.
onKeyUp
is triggered when the
the key goes up again. For example, the following code puts
"down!" in the status bar when the key goes down, and
"up!" when the key goes up:
this code |
produces this |
<INPUT
NAME="realname"
onKeyDown="window.status='down!'"
onKeyUp="window.status='up!'">
|
|
onKeyDown
and onKeyUp
represent the component
actions of pressing a key. They cannot be cancelled. In most situations where you
might consider using onKeyDown
or onKeyUp
you
will probably find that onKeyPress
is more useful.
onKeyPress
represents the entire keystroke and can cancel the
keystroke.