<s>
Remote	B-Protocol
scripting	I-Protocol
is	O
a	O
technology	O
which	O
allows	O
scripts	O
and	O
programs	O
that	O
are	O
running	O
inside	O
a	O
browser	O
to	O
exchange	O
information	O
with	O
a	O
server	O
.	O
</s>
<s>
The	O
earliest	O
form	O
of	O
asynchronous	O
remote	B-Protocol
scripting	I-Protocol
was	O
developed	O
before	O
XMLHttpRequest	B-Protocol
existed	O
,	O
and	O
made	O
use	O
of	O
very	O
simple	O
process	O
:	O
a	O
static	O
web	O
page	O
opens	O
a	O
dynamic	O
web	O
page	O
(	O
e.g.	O
</s>
<s>
at	O
other	O
target	O
frame	O
)	O
that	O
is	O
reloaded	O
with	O
new	O
JavaScript	B-Language
content	O
,	O
generated	O
remotely	O
on	O
the	O
server	B-Application
side	I-Application
.	O
</s>
<s>
The	O
XMLHttpRequest	B-Protocol
and	O
similar	O
"	O
client-side	O
script	O
remote	B-Operating_System
procedure	I-Operating_System
call	I-Operating_System
"	O
functions	O
,	O
open	O
the	O
possibility	O
of	O
use	O
and	O
triggering	O
web	O
services	O
from	O
the	O
web	O
page	O
interface	O
.	O
</s>
<s>
The	O
web	O
development	O
community	O
subsequently	O
developed	O
a	O
range	O
of	O
techniques	O
for	O
remote	B-Protocol
scripting	I-Protocol
in	O
order	O
to	O
enable	O
consistent	O
results	O
across	O
different	O
browsers	O
.	O
</s>
<s>
JavaScript	B-Protocol
Remote	I-Protocol
Scripting	I-Protocol
(	O
JSRS	B-Protocol
)	O
is	O
a	O
web	O
development	O
technique	O
for	O
creating	O
interactive	O
web	O
applications	O
using	O
a	O
combination	O
of	O
:	O
</s>
<s>
XML	B-Protocol
with	O
WDDX	B-Protocol
can	O
be	O
used	O
as	O
well	O
as	O
JSON	B-General_Concept
or	O
any	O
other	O
text	O
format	O
.	O
</s>
<s>
A	O
similar	O
approach	O
is	O
Ajax	B-General_Concept
,	O
though	O
it	O
depends	O
on	O
the	O
XmlHttpRequest	B-Protocol
in	O
newer	O
web	O
browsers	O
.	O
</s>
