<s>
JWt	B-Application
(	O
pronounced	O
"	O
jay-witty	O
"	O
)	O
is	O
an	O
open-source	B-Application
widget-centric	O
web	B-Application
application	I-Application
framework	I-Application
for	O
the	O
Java	B-Language
programming	I-Language
language	I-Language
developed	O
by	O
Emweb	O
.	O
</s>
<s>
The	O
programming	O
model	O
is	O
component-based	O
and	O
event-driven	B-Application
,	O
similar	O
to	O
Swing	B-Language
.	O
</s>
<s>
While	O
the	O
library	O
uses	O
a	O
desktop	O
application	O
development	O
model	O
,	O
it	O
does	O
support	O
web-specific	O
features	O
including	O
semantic	B-Protocol
URLs	I-Protocol
,	O
browser	O
history	O
navigation	O
support	O
,	O
internationalization	O
,	O
themes	O
,	O
and	O
styling	O
.	O
</s>
<s>
The	O
library	O
uses	O
Ajax	B-General_Concept
for	O
communicating	O
with	O
Ajax-capable	O
browsers	O
,	O
while	O
using	O
plain	O
HTML	O
form	O
post-backs	O
for	O
other	O
user	O
agents	O
(	O
for	O
accessibility	O
and	O
search	O
engines	O
)	O
.	O
</s>
<s>
Using	O
a	O
progressive	O
bootstrap	B-Application
method	O
,	O
the	O
user	O
interface	O
is	O
initially	O
rendered	O
as	O
plain	O
HTML	O
,	O
and	O
for	O
Ajax-capable	O
browsers	O
,	O
it	O
is	O
automatically	O
upgraded	O
to	O
use	O
Ajax	B-General_Concept
for	O
increased	O
interactivity	O
.	O
</s>
<s>
JWt	B-Application
is	O
distributed	O
as	O
a	O
jar	O
file	O
.	O
</s>
<s>
A	O
JWt	B-Application
application	O
is	O
a	O
war	O
file	O
that	O
is	O
deployed	O
in	O
a	O
standards-compliant	O
servlet	B-Language
container	I-Language
.	O
</s>
<s>
On	O
all	O
modern	O
browsers	O
,	O
a	O
JWt	B-Application
application	O
is	O
a	O
single-page	B-Application
application	I-Application
,	O
with	O
full	O
support	O
for	O
forward/back	O
and	O
bookmark	O
navigation	O
,	O
but	O
still	O
fully	O
SEO	O
.	O
</s>
<s>
Supports	O
server-initiated	O
events	O
(	O
Comet	B-General_Concept
)	O
,	O
and	O
uses	O
asynchronous	B-Architecture
I/O	I-Architecture
when	O
deployed	O
within	O
a	O
Servlet	O
3.0	O
container	O
.	O
</s>
<s>
Various	O
automatic	O
built-in	O
security	O
features	O
to	O
avoid	O
cross-site	O
scripting	O
and	O
CSRF	B-Protocol
vulnerabilities	O
.	O
</s>
