<s>
React	B-Application
Native	I-Application
is	O
an	O
open-source	B-Application
UI	B-Application
software	B-Architecture
framework	I-Architecture
created	O
by	O
Meta	O
Platforms	O
,	O
Inc	O
.	O
</s>
<s>
It	O
is	O
used	O
to	O
develop	O
applications	O
for	O
Android	B-Application
,	O
Android	B-Application
TV	I-Application
,	O
iOS	B-Application
,	O
macOS	B-Application
,	O
tvOS	B-Operating_System
,	O
Web	O
,	O
Windows	B-Application
and	O
UWP	B-Device
by	O
enabling	O
developers	O
to	O
use	O
the	O
React	B-Application
framework	O
along	O
with	O
native	O
platform	O
capabilities	O
.	O
</s>
<s>
It	O
is	O
used	O
to	O
develop	O
the	O
Android	B-Application
and	O
iOS	B-Application
applications	O
at	O
Facebook	B-Application
,	O
Microsoft	O
,	O
and	O
Shopify	O
.	O
</s>
<s>
It	O
is	O
also	O
being	O
used	O
to	O
develop	O
virtual	B-Application
reality	I-Application
applications	O
at	O
Oculus	B-Application
.	O
</s>
<s>
In	O
2012	O
Mark	O
Zuckerberg	O
commented	O
,	O
"	O
The	O
biggest	O
mistake	O
we	O
made	O
as	O
a	O
company	O
was	O
betting	O
too	O
much	O
on	O
HTML	B-Language
as	O
opposed	O
to	O
native	O
"	O
.	O
</s>
<s>
Using	O
HTML5	O
for	O
Facebook	B-Application
's	O
mobile	O
version	O
resulted	O
in	O
an	O
unstable	O
application	O
that	O
retrieved	O
data	O
slowly	O
.	O
</s>
<s>
He	O
promised	O
Facebook	B-Application
would	O
soon	O
deliver	O
a	O
better	O
mobile	O
experience	O
.	O
</s>
<s>
Inside	O
Facebook	B-Application
,	O
Jordan	O
Walke	O
found	O
a	O
way	O
to	O
generate	O
UI	B-Application
elements	O
for	O
iOS	B-Application
from	O
a	O
background	O
JavaScript	B-Language
thread	B-Operating_System
,	O
which	O
became	O
the	O
basis	O
for	O
the	O
React	B-Application
web	I-Application
framework	I-Application
.	O
</s>
<s>
They	O
decided	O
to	O
organize	O
an	O
internal	O
Hackathon	O
to	O
perfect	O
this	O
prototype	B-Application
in	O
order	O
to	O
be	O
able	O
to	O
build	O
native	B-Application
apps	I-Application
with	O
this	O
technology	O
.	O
</s>
<s>
In	O
2015	O
,	O
after	O
months	O
of	O
development	O
,	O
Facebook	B-Application
released	O
the	O
first	O
version	O
for	O
the	O
React	B-Application
JavaScript	B-Language
Configuration	O
.	O
</s>
<s>
During	O
a	O
technical	O
talk	O
,	O
Christopher	O
Chedeau	O
explained	O
that	O
Facebook	B-Application
was	O
already	O
using	O
React	B-Application
Native	I-Application
in	O
production	O
for	O
their	O
Group	O
App	O
and	O
their	O
Ads	O
Manager	O
App	O
.	O
</s>
<s>
The	O
working	O
principles	O
of	O
React	B-Application
Native	I-Application
are	O
virtually	O
identical	O
to	O
React	B-Application
except	O
that	O
React	B-Application
Native	I-Application
does	O
not	O
manipulate	O
the	B-General_Concept
DOM	I-General_Concept
via	O
the	O
Virtual	O
DOM	B-General_Concept
.	O
</s>
<s>
It	O
runs	O
in	O
a	O
background	B-Operating_System
process	I-Operating_System
(	O
which	O
interprets	O
the	O
JavaScript	B-Language
written	O
by	O
the	O
developers	O
)	O
directly	O
on	O
the	O
end-device	O
and	O
communicates	O
with	O
the	O
native	O
platform	O
via	O
serialized	B-Application
data	I-Application
over	O
an	O
asynchronous	B-Operating_System
and	O
batched	B-General_Concept
bridge	O
.	O
</s>
<s>
React	B-Application
components	O
wrap	O
existing	O
native	O
code	O
and	O
interact	O
with	O
native	O
APIs	O
via	O
React	B-Application
's	O
declarative	B-Language
UI	I-Language
paradigm	I-Language
and	O
JavaScript	B-Language
.	O
</s>
<s>
While	O
React	B-Application
Native	I-Application
styling	O
has	O
a	O
similar	O
syntax	O
to	O
CSS	B-Language
,	O
it	O
does	O
not	O
use	O
HTML	B-Language
or	O
CSS	B-Language
.	O
</s>
<s>
Instead	O
,	O
messages	O
from	O
the	O
JavaScript	B-Language
thread	B-Operating_System
are	O
used	O
to	O
manipulate	O
native	O
views	O
.	O
</s>
<s>
React	B-Application
Native	I-Application
is	O
also	O
available	O
for	O
both	O
Windows	B-Application
and	O
macOS	B-Application
,	O
which	O
is	O
currently	O
maintained	O
by	O
Microsoft	O
.	O
</s>
<s>
A	O
Hello	O
,	O
World	O
program	O
in	O
React	B-Application
Native	I-Application
looks	O
like	O
this	O
:	O
</s>
