|
/*
JavaScript Bible, Fourth Edition
by Danny Goodman
John Wiley & Sons CopyRight 2001
*/
<HTML>
<HEAD>
<TITLE>Button and Key Properties</TITLE>
<SCRIPT LANGUAGE="JavaScript">
function checkWhich(evt) {
evt = (evt) ? evt : (window.event) ? window.event : ""
if (evt) {
var thingPressed = ""
var elem = (evt.target) ? evt.target : evt.srcElement
if (evt.which) {
thingPressed = evt.which
} else {
if (elem.type == "textarea") {
thingPressed = evt.keyCode
} else if (elem.type == "button") {
thingPressed = evt.button
}
}
status = thingPressed
}
return false
}
</SCRIPT>
</HEAD>
<BODY>
<H1>Button and Key Properties</H1> (results in the status bar)
<HR>
<FORM>
<P>Mouse down atop this
<INPUT TYPE="button" VALUE="Button" onMouseDown="checkWhich(event)">
this link</A> or this
<INPUT TYPE="button" VALUE="Button" onMouseDown="checkWhich(event)">
with either mouse button (if you have more than one).</P>
<P>Enter some text with uppercase and lowercase letters:
<TEXTAREA COLS=40 ROWS=4 onKeyPress="checkWhich(event)" WRAP="virtual">
</TEXTAREA></P>
</FORM>
</BODY>
</HTML>
|