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ESLint
Codacy
SensioLabs Insight
CodeFactor.io
SonarQube
Source-Navigator NG
JSLint is a JavaScript program that looks for problems in JavaScript programs.
CodeUtil.dev
SamToolkit
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DevsBox
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Fast, free developer tools. JSON formatter, Base64, JWT, Regex and more. Runs 100% in your browser.

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

Possible disadvantages
Possible disadvantages
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."}
Overall verdict
Why this product is good
Recommended for
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 CodeTray.dev. 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
Tracking CodeTray.dev since Jun 2026.
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