<s>
Ember.js	B-Language
is	O
an	O
open-source	B-Application
JavaScript	B-Language
web	B-Application
framework	I-Application
that	O
utilizes	O
a	O
component-service	O
pattern	O
.	O
</s>
<s>
It	O
allows	O
developers	O
to	O
create	O
scalable	O
single-page	B-Application
web	I-Application
applications	I-Application
by	O
incorporating	O
common	O
idioms	O
,	O
best	O
practices	O
,	O
and	O
patterns	O
from	O
other	O
single-page-app	O
ecosystem	O
patterns	O
into	O
the	O
framework	O
.	O
</s>
<s>
Ember	O
is	O
used	O
on	O
many	O
websites	O
including	O
HashiCorp	O
,	O
DigitalOcean	B-Application
,	O
Apple	B-Operating_System
Music	I-Operating_System
,	O
Square	O
,	O
Inc.	O
,	O
Intercom	O
,	O
Discourse	B-Protocol
,	O
Groupon	B-Application
,	O
LinkedIn	B-Application
,	O
Live	O
Nation	O
,	O
Ghost	B-Protocol
,	O
Nordstrom	O
,	O
and	O
Twitch	O
.	O
</s>
<s>
The	O
most	O
notable	O
example	O
of	O
an	O
Ember	O
desktop	O
application	O
is	O
Apple	B-Operating_System
Music	I-Operating_System
,	O
a	O
feature	O
of	O
the	O
iTunes	B-Operating_System
desktop	O
application	O
.	O
</s>
<s>
In	O
December	O
2011	O
,	O
the	O
SproutCore	B-Language
2.0	O
framework	O
was	O
renamed	O
to	O
Ember.js	B-Language
,	O
to	O
reduce	O
confusion	O
between	O
the	O
application	O
framework	O
and	O
the	O
widget	O
library	O
of	O
SproutCore	B-Language
1.0	O
.	O
</s>
<s>
The	O
framework	O
was	O
created	O
by	O
Yehuda	O
Katz	O
,	O
a	O
member	O
of	O
the	O
jQuery	B-Language
,	O
Ruby	B-Application
on	I-Application
Rails	I-Application
and	O
SproutCore	B-Language
core	O
teams	O
.	O
</s>
<s>
Ember	O
was	O
an	O
adopter	O
of	O
standards	O
around	O
JavaScript	B-Language
and	O
the	O
web	O
,	O
including	O
promises	O
,	O
web	B-Language
components	I-Language
and	O
ES6	O
syntax	O
.	O
</s>
<s>
Yehuda	O
Katz	O
,	O
one	O
of	O
Ember	O
's	O
co	O
founders	O
,	O
is	O
a	O
member	O
on	O
TC39	O
,	O
which	O
is	O
the	O
committee	O
responsible	O
for	O
future	O
versions	O
of	O
the	O
JavaScript	B-Language
language	I-Language
.	O
</s>
<s>
Like	O
Ruby	B-Application
on	I-Application
Rails	I-Application
,	O
Ember	O
follows	O
convention	B-Application
over	I-Application
configuration	I-Application
(	O
CoC	O
)	O
,	O
and	O
the	O
do	O
n't	O
repeat	O
yourself	O
(	O
DRY	O
)	O
principle	O
.	O
</s>
<s>
While	O
one	O
can	O
use	O
window.fetch	O
to	O
load	O
JSON	B-General_Concept
objects	O
from	O
a	O
server	O
and	O
use	O
those	O
objects	O
as	O
models	O
,	O
most	O
applications	O
use	O
a	O
model	O
library	O
such	O
as	O
Ember	O
Data	O
to	O
handle	O
this	O
.	O
</s>
<s>
Templates	B-Application
are	O
used	O
to	O
build	O
the	O
application	O
's	O
HTML	O
and	O
are	O
written	O
with	O
the	O
HTMLBars	O
templating	O
language	O
.	O
</s>
<s>
Behavior	O
is	O
implemented	O
using	O
JavaScript	B-Language
and	O
its	O
appearance	O
is	O
defined	O
using	O
HTMLBars	O
templates	B-Application
.	O
</s>
<s>
Ember	O
also	O
provides	O
dependency	B-Library
injection	I-Library
,	O
declarative	B-Language
one-way	O
data-flow	O
,	O
tracked	O
properties	O
,	O
and	O
automatically	O
updating	O
templates	B-Application
.	O
</s>
<s>
Ember.js	B-Language
is	O
one	O
component	O
of	O
a	O
complete	O
front	O
end	O
stack	O
built	O
and	O
supported	O
by	O
the	O
Ember	O
core	O
team	O
.	O
</s>
<s>
Ember-cli	O
aims	O
to	O
bring	O
convention	B-Application
over	I-Application
configuration	I-Application
to	O
build	O
tools	O
.	O
</s>
<s>
Dependencies	O
managed	O
via	O
npm	B-Language
.	O
</s>
<s>
Over	O
two	O
thousand	O
addons	O
are	O
currently	O
available	O
including	O
add	O
ons	O
for	O
CoffeeScript	B-Application
,	O
LESS	B-Language
,	O
Sass	B-Language
,	O
Compass	O
and	O
Mocha	B-Language
.	O
</s>
<s>
Most	O
Ember	O
applications	O
use	O
Ember	O
Data	O
,	O
a	O
data-persistence	O
library	O
providing	O
many	O
of	O
the	O
facilities	O
of	O
an	O
object-relational	B-General_Concept
mapping	I-General_Concept
(	O
ORM	O
)	O
.	O
</s>
<s>
It	O
can	O
then	O
load	O
and	O
save	O
records	O
and	O
their	O
relationships	O
without	O
any	O
configuration	O
via	O
a	O
RESTful	O
JSON	B-General_Concept
API	O
that	O
implements	O
the	O
JSON	B-General_Concept
API	O
specification	O
,	O
provided	O
certain	O
conventions	O
are	O
followed	O
.	O
</s>
<s>
JSON	B-General_Concept
API	O
has	O
server	O
library	O
implementations	O
for	O
PHP	B-Application
,	O
Node.js	B-Language
,	O
Ruby	B-Language
,	O
Python	B-Language
,	O
Go	B-Application
,	O
.NET	B-Application
and	O
Java	B-Language
.	O
</s>
<s>
Connecting	O
to	O
a	O
Java-Spring-based	O
server	O
is	O
also	O
documented	O
.	O
</s>
<s>
The	O
Ember	O
Inspector	O
is	O
an	O
extension	O
currently	O
available	O
for	O
the	O
Mozilla	B-Application
Firefox	I-Application
and	O
Google	B-Application
Chrome	I-Application
web	O
browsers	O
for	O
debugging	O
Ember	O
applications	O
.	O
</s>
<s>
Features	O
include	O
the	O
ability	O
to	O
see	O
which	O
templates	B-Application
,	O
components	O
,	O
and	O
views	O
are	O
currently	O
rendered	O
,	O
see	O
the	O
properties	O
of	O
any	O
Ember	O
object	O
with	O
a	O
UI	O
that	O
computes	O
bindings	O
and	O
computed	O
properties	O
,	O
and	O
access	O
one	O
's	O
application	O
's	O
objects	O
from	O
the	O
console	O
.	O
</s>
<s>
Fastboot	O
is	O
an	O
Ember	O
CLI	O
addon	O
created	O
by	O
the	O
Ember	O
core	O
team	O
that	O
gives	O
Ember	O
developers	O
the	O
ability	O
to	O
run	O
their	O
apps	O
in	O
Node.js	B-Language
.	O
</s>
<s>
This	O
feature	O
allows	O
end	O
users	O
to	O
see	O
HTML	O
and	O
CSS	O
right	O
away	O
,	O
with	O
the	O
JavaScript	B-Language
downloading	O
in	O
the	O
background	O
and	O
taking	O
over	O
once	O
it	O
has	O
fully	O
loaded	O
.	O
</s>
<s>
Ember	O
follows	O
a	O
six-week	O
release	O
cycle	O
,	O
inspired	O
by	O
the	O
rapid	O
release	O
cycle	O
of	O
Google	B-Application
Chrome	I-Application
.	O
</s>
<s>
The	O
process	O
follows	O
the	O
core	O
Ember	O
principle	O
of	O
Stability	O
without	O
Stagnation	O
and	O
is	O
in	O
marked	O
contrast	O
to	O
the	O
upgrade	O
plans	O
of	O
similar	O
projects	O
such	O
as	O
AngularJS	B-Application
.	O
</s>
<s>
However	O
,	O
major	O
changes	O
to	O
Ember	O
go	B-Application
through	O
the	O
Request	O
For	O
Comment	O
process	O
.	O
</s>
<s>
Unlike	O
other	O
projects	O
such	O
as	O
AngularJS	B-Application
(	O
Google	B-Application
)	O
and	O
React	B-Application
(	O
Facebook	B-Application
)	O
which	O
have	O
the	O
backing	O
of	O
one	O
main	O
company	O
,	O
Ember.js	B-Language
has	O
a	O
variety	O
of	O
sponsors	O
and	O
backers	O
.	O
</s>
<s>
These	O
include	O
users	O
of	O
the	O
framework	O
such	O
as	O
Yahoo	O
!,	O
LinkedIn	B-Application
and	O
Bustle	O
.	O
</s>
