function
Foo
(
)
{
this
.
z
=
1
;
this
.
out
=
function
(
x
,
y
)
{
return
x
+
y
+
this
.
z
}
}
var
bar
=
new
Foo
(
)
.
out
(
2
,
3
)
;
// returns 6