
CodeClimate
ESLint
Codacy
SensioLabs Insight
CodeFactor.io
SonarQube
Source-Navigator NG
JSLint is a JavaScript program that looks for problems in JavaScript programs.
CodeFactor.io
Codacy
ESLint
Coala
textlint
Prettier
HTML-Cleaner.com
Online Javascript Validator validates javascript code and find errors and warnings that can be fixed. See real time validation of your javascript code as you type.

Which is more popular?
Based on our record, JSLint should be more popular than Javascript Validator. It has been mentioned 5 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | jslint.com | beautifytools.com |
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What each product offers, as listed by its team.

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An editorial look at what each product does well and who it suits.

Overall verdict
Why this product is good
Recommended for
{"teams" => "Development teams who need consistent coding standards across a project can benefit from JSLint’s strict conventions.", "projects" => "Projects that require high code quality and adherence to standards might find JSLint beneficial.", "beginner_developers" => "JSLint can help beginners learn good coding practices by highlighting problematic code patterns and suggesting improvements."}
No analysis of Javascript Validator yet.
Walkthroughs and reviews on video.
JavaScript Chapter 4 - a look at jslint
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How often each product is chosen within a category, 0–100% relative to the other.

Share your experience with using JSLint and Javascript Validator. For example, how are they different and which one is better?
Recommendations tracked on public social media and blogs since March 2021.

Absolutely - one for the great minds to play with while running in great circles and one that passes https://jslint.com and is allowed to be on the internet. - Source: Hacker News / almost 2 years ago
UPDATE 8/22/2011: found http://jshint.com, it looks much better than http://jslint.com/. Source: over 4 years ago
Use https://jslint.com to find the unescaped quote or whatever that's invalidating the file. Remember to put quote marks in dialogue as \". Source: almost 5 years ago
Try pasting your code into a validator to see if you don't have a typo somewhere: https://beautifytools.com/javascript-validator.php. Source: over 4 years ago
So everything works fine the way I see it and that error only comes up after a few clicks. Since I'm not a js wizard I did put your script code into a javascript validator and it looks like you're missing a couple of semi colons here and... Source: almost 5 years ago
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