<html>
<head>
<script language=javascript>
function test(argTest)
{
'x' in argTest ? alert('x = ' + argTest.x)
: "";
'y' in argTest ? alert('y = ' + argTest.y) : "";
'z' in argTest ?
alert('z = ' + argTest.z) : "";
}
function functest() {
return 'this is from a function';
}
</script>
</head>
<body>
<button
onclick="test({x:1, y:'two'});">Test x,y</button><br>
<button onclick="var zarg='z arg'; test({z:zarg});">Test
z</button><br>
<button onclick="var f = functest();
test({x:f});">Test function</button><br>
</body>
</html>
