<s>
JSON	B-Protocol
→	I-Protocol
URL	I-Protocol
is	O
a	O
language-independent	B-Language
data	O
interchange	O
format	O
for	O
the	O
JSON	B-General_Concept
data	O
model	O
suitable	O
for	O
use	O
within	O
a	O
URL/URI	O
query	B-Protocol
string	I-Protocol
.	O
</s>
<s>
Number	O
:	O
a	O
signed	O
decimal	O
number	O
that	O
may	O
contain	O
a	O
fractional	O
part	O
and	O
may	O
use	O
exponential	O
E	O
notation	O
,	O
but	O
cannot	O
include	O
non-numbers	O
such	O
as	O
NaN	O
.	O
</s>
<s>
Array	B-Data_Structure
:	O
an	O
ordered	O
list	O
of	O
one	O
or	O
more	O
values	O
,	O
each	O
of	O
which	O
may	O
be	O
of	O
any	O
type	O
.	O
</s>
<s>
Object	O
:	O
a	O
collection	O
of	O
one	O
or	O
more	O
name	B-Application
–	I-Application
value	I-Application
pairs	I-Application
where	O
the	O
names	O
(	O
also	O
called	O
keys	O
)	O
are	O
strings	O
.	O
</s>
<s>
Objects	O
are	O
intended	O
to	O
represent	O
associative	B-Application
arrays	I-Application
,	O
where	O
each	O
key	O
is	O
unique	O
within	O
an	O
object	O
.	O
</s>
<s>
The	O
following	O
example	O
shows	O
a	O
possible	O
JSON	B-Protocol
→	I-Protocol
URL	I-Protocol
representation	O
describing	O
a	O
person	O
.	O
</s>
<s>
JSON	B-Protocol
→	I-Protocol
URL	I-Protocol
implements	O
the	O
JSON	B-General_Concept
data	O
model	O
,	O
however	O
,	O
it	O
does	O
not	O
differentiate	O
between	O
an	O
empty	O
object	O
and	O
an	O
empty	O
array	B-Data_Structure
.	O
</s>
<s>
JSON	B-Protocol
→	I-Protocol
URL	I-Protocol
exchange	O
in	O
an	O
open	O
ecosystem	O
must	O
be	O
encoded	O
in	O
UTF-8	O
.	O
</s>
<s>
Unlike	O
JSON	B-General_Concept
,	O
JSON	B-Protocol
→	I-Protocol
URL	I-Protocol
does	O
not	O
define	O
a	O
separate	O
syntax	O
for	O
escaping	O
characters	O
within	O
a	O
string	O
literal	O
.	O
</s>
<s>
Numbers	O
in	O
JSON	B-Protocol
→	I-Protocol
URL	I-Protocol
are	O
agnostic	O
with	O
regard	O
to	O
their	O
representation	O
within	O
programming	O
languages	O
.	O
</s>
<s>
While	O
this	O
allows	O
for	O
numbers	O
of	O
arbitrary	B-Algorithm
precision	I-Algorithm
to	O
be	O
serialized	O
,	O
it	O
may	O
lead	O
to	O
portability	O
issues	O
.	O
</s>
<s>
The	O
JSON	B-Protocol
→	I-Protocol
URL	I-Protocol
standard	O
makes	O
no	O
requirements	O
regarding	O
implementation	O
details	O
such	O
as	O
overflow	B-Algorithm
,	O
underflow	B-Algorithm
,	O
loss	O
of	O
precision	O
,	O
rounding	O
,	O
or	O
signed	B-Algorithm
zeros	I-Algorithm
.	O
</s>
<s>
While	O
JSON	B-Protocol
→	I-Protocol
URL	I-Protocol
provides	O
a	O
syntactic	O
framework	O
for	O
data	O
interchange	O
,	O
unambiguous	O
data	O
interchange	O
also	O
requires	O
agreement	O
between	O
producer	O
and	O
consumer	O
on	O
the	O
semantics	O
of	O
a	O
specific	O
use	O
of	O
the	O
JSON	B-Protocol
→	I-Protocol
URL	I-Protocol
syntax	O
.	O
</s>
<s>
Java	B-Language
,	O
JavaScript	B-Language
)	O
that	O
are	O
not	O
defined	O
in	O
the	O
JSON	B-Protocol
→	I-Protocol
URL	I-Protocol
specification	O
,	O
such	O
as	O
Date	O
.	O
</s>
