<s>
CFScript	B-Language
is	O
an	O
extension	O
of	O
CFML	B-Language
on	O
the	O
ColdFusion	O
platform	O
.	O
</s>
<s>
CFScript	B-Language
resembles	O
JavaScript	B-Language
.	O
</s>
<s>
Some	O
ColdFusion	O
developers	B-Application
prefer	O
it	O
since	O
it	O
has	O
less	O
visual	O
and	O
typographical	O
overhead	O
than	O
ordinary	O
CFML	B-Language
.	O
</s>
<s>
Unless	O
it	O
's	O
within	O
a	O
pure	O
script-based	O
ColdFusion	O
Component	O
,	O
all	O
CFScript	B-Language
code	O
must	O
be	O
contained	O
within	O
a	O
CFScript	B-Language
tag	O
pair	O
as	O
follows	O
:	O
</s>
<s>
A	O
simple	O
example	O
of	O
a	O
component	O
in	O
CFScript	B-Language
,	O
containing	O
two	O
functions	O
:	O
</s>
<s>
ColdFusion	O
11	O
,	O
Railo	B-Language
4.1	O
+	O
,	O
and	O
Lucee	B-Language
4.5	O
+	O
both	O
do	O
their	O
best	O
to	O
fully	O
support	O
cf	O
tags	O
in	O
CFScript	B-Language
.	O
</s>
<s>
For	O
example	O
,	O
this	O
is	O
how	O
to	O
get	O
a	O
query	O
into	O
a	O
variable	O
in	O
CFSCRIPT	B-Language
without	O
writing	O
a	O
UDF	B-Language
:	O
</s>
<s>
Since	O
ColdFusion	O
8	O
,	O
CFScript	B-Language
has	O
supported	O
syntax	O
abbreviations	O
that	O
are	O
common	O
in	O
many	O
other	O
programming	O
languages	O
,	O
such	O
as	O
"	O
++	O
"	O
,	O
"	O
<=	O
"	O
and	O
"	O
+	O
=	O
"	O
.	O
</s>
<s>
CFScript	B-Language
has	O
two	O
forms	O
of	O
comments	O
:	O
single	O
line	O
and	O
multiline	O
.	O
</s>
<s>
Although	O
CFScript	B-Language
and	O
JavaScript	B-Language
are	O
similar	O
,	O
they	O
have	O
several	O
key	O
differences	O
.	O
</s>
<s>
The	O
following	O
list	O
identifies	O
CFScript	B-Language
features	O
that	O
differ	O
from	O
JavaScript	B-Language
:	O
</s>
<s>
CFScript	B-Language
uses	O
ColdFusion	O
expression	O
,	O
which	O
are	O
not	O
a	O
superset	O
or	O
a	O
subset	O
of	O
JavaScript	B-Language
expressions	O
.	O
</s>
<s>
In	O
particular	O
,	O
ColdFusion	O
expressions	O
do	O
not	O
support	O
bitwise	O
operators	O
,	O
and	O
the	O
ColdFusion	O
MOD	O
or	O
%	O
operator	O
operates	O
differently	O
from	O
the	O
corresponding	O
JavaScript	B-Language
%	O
operator	O
:	O
In	O
ColdFusion	O
,	O
the	O
operator	O
does	O
integer	O
arithmetic	O
and	O
ignores	O
fractional	O
parts	O
.	O
</s>
<s>
ColdFusion	O
expressions	O
also	O
support	O
the	O
EQV	O
,	O
IMP	O
,	O
CONTAINS	O
,	O
and	O
DOES	O
NOT	O
CONTAIN	O
operators	O
that	O
are	O
not	O
supported	O
in	O
JavaScript	B-Language
.	O
</s>
<s>
Variable	O
declarations	O
(	O
var	O
keyword	O
)	O
are	O
only	O
used	O
in	O
user-defined	B-Language
functions	I-Language
and	O
threads	O
.	O
</s>
<s>
CFScript	B-Language
is	O
not	O
case	O
sensitive	O
.	O
</s>
<s>
JavaScript	B-Language
objects	O
,	O
such	O
as	O
window	O
and	O
document	O
,	O
are	O
not	O
available	O
.	O
</s>
<s>
Only	O
the	O
ColdFusion	O
server	O
processes	O
CFScript	B-Language
.	O
</s>
<s>
There	O
is	O
no	O
client-side	O
CFScript	B-Language
.	O
</s>
