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NAME ^

jslint - Check a file for JavaScript errors

SYNOPSIS ^

  jslint [--options] [file.js]

DESCRIPTION ^

jslint will check a file (or stdin) for JavaScript errors. All errors are printed on stdout and include:

the filename
the line number
the column number
the error

NB: You can also pass in HTML files and any JavaScript found inside will be checked instead.

OPTIONS

All options are disabled by default.

--adsafe

ADsafe rules should be enforced

--bitwise

bitwise operators should be allowed

--browser

standard browser globals should be predefined

--confusion

types can be used inconsistently

--continue

if the continuation statement should be tolerated

--debug

debugger statements should be allowed

--devel

logging should be allowed (console, alert, etc.)

--eqeq

== should be allowed

--es5

ES5 syntax should be allowed

--evil

eval should be allowed

--forin

for in statements need not filter

--fragment

HTML fragments should be allowed

--indent NUM

the indentation factor

--maxerr NUM

the maximum number of errors to allow

--maxlen NUM

the maximum length of a source line

--newcap

constructor names capitalization is ignored

--node

Node.js globals should be predefined

--nomen

names may have dangling _

--on

HTML event handlers should be allowed

--passfail

the scan should stop on first error

--plusplus

increment/decrement should be allowed

--properties

all property names must be declared with /*properties*/

--predef VAR=VAL

predefine a variable named VAR. The VAL indicates whether the variable can be overwritten within the script. Given a value of '1', 'y', 'yes' or 'true', jslint will not complain if that variable is assigned to within the files being linted. Any other VAL value will result in assignments to that variable yeilding a jslint error.

--regexp

. and [^...] should be allowed in regexp literals

--rhino

Rhino environment globals should be predefined

--undef

variables can be declared out of order

--unparam

unused parameters should be tolerated

--safe

use of some browser features should be restricted

--sloppy

the \'use strict\'; pragma is optional

--sub

all forms of subscript notation are tolerated

--vars

multiple var statements per function should be allowed

--white

sloppy whitespace is tolerated

--widget

Yahoo Widgets globals should be predefined

--windows

MS Windows-specific globals should be predefined

SEE ALSO ^

JavaScript::JSLint

AUTHOR ^

Dominic Mitchell <cpan (at) happygiraffe.net>

Steve Webster <cpan (at) statichtml.com>

COPYRIGHT AND LICENSE ^

Copyright (C) 2006 by Dominic Mitchell

Portions copyright (C) 2011 by Steve Webster

Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:

  1. Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
  2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.

THIS SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

JSLint is originally Copyright (C) 2002 Douglas Crockford.

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