DevGuru JavaScript EVENT HANDLER: onKeyDown

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