<s>
Joose	B-Language
is	O
an	O
open-source	B-Application
self-hosting	O
metaobject	O
system	O
for	O
JavaScript	B-Language
with	O
support	O
for	O
classes	O
,	O
inheritance	B-Language
,	O
mixins	B-Language
,	O
traits	O
and	O
aspect-oriented	B-Architecture
programming	I-Architecture
.	O
</s>
<s>
The	O
Joose	B-Language
meta-object	O
system	O
is	O
multi-paradigm	O
.	O
</s>
<s>
It	O
supports	O
class-based	B-Application
and	O
prototype-based	B-Application
programming	I-Application
styles	O
as	O
well	O
as	O
class-based	B-Application
inheritance	B-Language
and	O
role-based	O
extension	O
.	O
</s>
<s>
While	O
other	O
JavaScript	B-Application
frameworks	I-Application
often	O
specialize	O
on	O
DOM-access	O
and	O
AJAX	B-General_Concept
,	O
Joose	B-Language
specializes	O
solely	O
on	O
bringing	O
successful	O
programming	O
techniques	O
to	O
the	O
JavaScript	B-Language
scripting	O
language	O
.	O
</s>
<s>
Joose	B-Language
is	O
thus	O
often	O
used	O
in	O
conjunction	O
with	O
another	O
DOM/Ajax	O
JavaScript	B-Application
framework	I-Application
and	O
is	O
tested	O
with	O
jQuery	B-Language
,	O
YUI	B-Language
,	O
Dojo	B-General_Concept
,	O
ExtJS	B-Language
,	O
Prototype	B-Language
,	O
Mootools	B-Language
and	O
PureMVC	B-Application
.	O
</s>
<s>
Joose	B-Language
was	O
heavily	O
inspired	O
by	O
Moose	B-Language
,	O
the	O
object	O
system	O
for	O
Perl	B-Language
5	I-Language
which	O
was	O
itself	O
inspired	O
by	O
the	O
Perl	B-Application
6	I-Application
object	O
system	O
,	O
but	O
unlike	O
Perl	B-Language
and	O
Moose	B-Language
,	O
Joose	B-Language
does	O
n't	O
support	O
multiple	B-Application
inheritance	I-Application
.	O
</s>
<s>
Two	O
classes	O
written	O
in	O
Joose	B-Language
:	O
</s>
