EVENT
HANDLER: onKeyUp
onKeyUp
= myJavaScriptCode
Event handler for Document, Image,
Link, TextArea.
The onKeyUp event handler executes the specified JavaScript code
or function on the occurance of a KeyUp event. A KeyUp event occurs when
the user releases a key from its depressed position.
The onKeyUp event handler uses the following Event
object properties.
type - this property indicates the type of event.
target - this property indicates the object to which the event
was originally sent.
layerX - the cursor location when the KeyUp event occurs.
layerY - the cursor location when the KeyUp event occurs.
pageX - the cursor location when the KeyUp event occurs.
pageY - the cursor location when the KeyUpevent occurs.
screenX - the cursor location when the KeyUp event occurs.
screenY - the cursor location when the KeyUp event occurs.
which - this represents the key released as its ASCII value.
modifiers - lists the modifier keys (shift, alt, ctrl, etc.) held
down when the KeyUp event occurs.
The following example shows the use of the onKeyUp event handler
to display a message in the text box.
Code:
<body>
<form action="" method="POST" id="myForm">
<input type="text" name="myText" onKeyUp="changeVal()">
<script type="text/javascript" language="JavaScript">
s1 = new String(myForm.myText.value)
function changeVal() {
s1 = "You released a key"
myForm.myText.value = s1.toUpperCase()
}
</script>
</form>
</body> |