<s>
JSLint	B-Language
is	O
a	O
static	O
code	O
analysis	O
tool	O
used	O
in	O
software	O
development	O
for	O
checking	O
if	O
JavaScript	B-Language
source	O
code	O
complies	O
with	O
coding	B-Language
rules	I-Language
.	O
</s>
<s>
It	O
is	O
provided	O
primarily	O
as	O
a	O
browser-based	B-Application
web	B-Application
application	I-Application
accessible	O
through	O
the	O
domain	O
jslint.com,	O
but	O
there	O
are	O
also	O
command-line	O
adaptations	O
.	O
</s>
<s>
Since	O
2021	O
,	O
JSLint	B-Language
uses	O
the	O
FSF	B-Operating_System
/	O
OSI	O
approved	O
Unlicense	B-License
license	O
.	O
</s>
<s>
Before	O
that	O
,	O
the	O
JSLint	B-Language
license	O
was	O
a	O
derivative	O
of	O
the	B-License
MIT	I-License
License	I-License
.	O
</s>
<s>
According	O
to	O
the	B-Operating_System
Free	I-Operating_System
Software	I-Operating_System
Foundation	I-Operating_System
,	O
this	O
previous	O
clause	O
made	O
the	O
original	O
license	O
non-free	B-Application
.	O
</s>
<s>
It	O
had	O
also	O
prevented	O
JSLint-related	O
software	O
from	O
being	O
hosted	O
on	O
Google	B-Protocol
Code	I-Protocol
and	O
from	O
being	O
included	O
in	O
the	O
Debian	O
free	B-Application
software	I-Application
package	O
repositories	O
.	O
</s>
<s>
JSLint	B-Language
is	O
considered	O
by	O
some	O
to	O
be	O
the	O
first	O
JavaScript	B-Language
syntax	O
checker	O
.	O
</s>
<s>
In	O
2011	O
,	O
Anton	O
Kovalyov	O
created	O
a	O
fork	O
,	O
called	O
JSHint	B-Language
.	O
</s>
<s>
The	O
main	O
motivation	O
behind	O
the	O
creation	O
of	O
JSHint	B-Language
was	O
to	O
provide	O
a	O
"	O
less	O
opinionated	O
"	O
and	O
"	O
more	O
configurable	O
"	O
way	O
for	O
developers	O
to	O
analyse	O
code	O
.	O
</s>
<s>
In	O
2013	O
,	O
Nicholas	O
C	O
.	O
Zakas	O
created	O
ESLint	B-Language
.	O
</s>
<s>
Both	O
JSLint	B-Language
and	O
JSHint	B-Language
lacked	O
the	O
ability	O
to	O
create	O
additional	O
rules	O
for	O
code	O
quality	O
and	O
coding	B-Language
style	I-Language
.	O
</s>
<s>
After	O
contributing	O
to	O
JSHint	B-Language
,	O
Zakas	O
decided	O
to	O
create	O
a	O
new	O
linting	O
tool	O
,	O
ESLint	B-Language
,	O
where	O
all	O
rules	O
are	O
configurable	O
,	O
and	O
additional	O
rules	O
can	O
be	O
defined	O
or	O
loaded	O
at	O
run-time	B-Library
.	O
</s>
<s>
ESLint	B-Language
also	O
supports	O
linting	O
the	O
latest	O
versions	O
of	O
JavaScript	B-Language
,	O
aka	O
ECMAScript	O
2015	O
and	O
above	O
.	O
</s>
<s>
In	O
2016	O
,	O
the	O
JSCS	O
Team	O
joined	O
the	O
ESLint	B-Language
project	O
and	O
has	O
since	O
discontinued	O
maintenance	O
of	O
the	O
JSCS	O
tool	O
.	O
</s>
<s>
In	O
2015	O
,	O
a	O
comparison	O
published	O
by	O
SitePoint	O
,	O
recommended	O
ESLint	B-Language
above	O
JSLint	B-Language
,	O
JSHint	B-Language
and	O
JSCS	O
.	O
</s>
<s>
In	O
2016	O
,	O
CodeKit	O
also	O
praised	O
ESLint	B-Language
for	O
"	O
finding	O
more	O
issues	O
"	O
,	O
being	O
"	O
far	O
more	O
configurable	O
"	O
,	O
and	O
being	O
"	O
the	O
industry	O
standard	O
"	O
for	O
JavaScript	B-Language
syntax	O
checkers	O
.	O
</s>
<s>
In	O
2016	O
,	O
Palantir	O
Technologies	O
created	O
TSLint	O
,	O
which	O
is	O
the	O
TypeScript	B-Language
equivalent	O
for	O
ESLint	B-Language
.	O
</s>
<s>
It	O
was	O
deprecated	O
in	O
favor	O
of	O
ESLint	B-Language
with	O
a	O
TypeScript	B-Language
integration	O
in	O
2019	O
.	O
</s>
