Tady je celý kód, funguje ti to?
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
</head>
<body>
<script>
var app = {};
app.foo = {};
function myapp(){
var name = arguments.callee.name;
document.querySelector('BODY').innerHTML = name;
}
app.foo.bar = function(){
var name = arguments.callee.name;
document.querySelector('BODY').innerHTML = name;
}
myapp();
app.foo.bar();
</script>
</body>
</html>