Jshint Cheat Sheet
Lam
Posted on May 14, 2021
Also see
- http://www.jshint.com/docs/options/
- https://gist.github.com/haschek/2595796
- Jshint Cheat Sheet - Cheat Sheet Maker
Globals and Environments
/* jshint undef: true */
/* global jQuery */
/* global -BAD_LIB */
/* jshint devel: true */ console, alert, ...
/* jshint browser: true */ window, document, location, ...
/* jshint node: true */ module, exports, console, process, ...
/* jshint jquery: true */ jQuery, $
See: Environments
Ignore
/* jshint ignore:start */
/* jshint ignore:end */
Enforcing
Enable these options to catch more errors.
See: Enforcing
{: .-setup}
/* jshint curly: true */
while (day) // err: use { }'s
shuffle();
/* jshint eqeqeq: true */
if (a == null) // err: use ===
/* jshint es3: true */
// ...for legacy IE compatibility
a.default = function() { ... }; // err: reserved word
array = [ 1, 2, 3, ]; // err: extra comma
/* jshint forin: true */
for (key in obj) { ... } // err: check obj.hasOwnProperty(key)
/* jshint freeze: true */
Array.prototype.count = ...; // err: don't modify native prototypes
/* jshint indent: 4 */
if (x) { // err: expected indent of 4, found 2
...;
}
/* jshint quotmark: single */
/* jshint quotmark: double */
alert("hi"); // err: only single allowed
/* jshint strict: true */
function() { ... } // err: need "use strict"
/* jshint white: true, indent: 4 */
/* jshint maxdepth: 2 */
/* jshint maxparams: 3 */
/* jshint maxstatements: 4 */
/* jshint maxcomplexity: 5 */
/* jshint maxlen: 80 */
Relaxing
Enable these options to not throw errors in these conditions.
See: Relaxing
{: .-setup}
/* jshint asi: true */
allow()
missing_semicolons()
/* jshint boss: true */
if (m = str.match(/.../))
/* jshint debug: true */
debugger;
/* jshint eqnull: true */
if (x == null)
/* jshint evil: true */
eval('...')
/* jshint expr: true */
production && minify = true;
div.innerWidth;
expect(x).be.true;
/* jshint laxcomma: true */
var one = 1
, two = 2;
/* jshint loopfunc: true */
for (i=0; i<10; x++) {
(function(i) { ... })(i);
}
/* jshint sub: true */
process.env['name_here']
/* jshint strict: "global" */
"use strict";
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Lam
Posted on May 14, 2021
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