<s>
WeScheme	B-Application
is	O
an	O
online	O
programming	O
environment	O
based	O
on	O
DrRacket	B-Operating_System
and	O
Scheme	B-Language
.	O
</s>
<s>
Like	O
DrRacket	B-Operating_System
,	O
it	O
provides	O
an	O
interactive	O
evaluator	O
and	O
an	O
interface	O
for	O
editing	O
and	O
running	O
programs	O
.	O
</s>
<s>
In	O
contrast	O
to	O
DrRacket	B-Operating_System
,	O
WeScheme	B-Application
evaluates	O
on	O
the	O
browser	O
with	O
JavaScript	B-Language
.	O
</s>
