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Fast, free developer tools. JSON formatter, Base64, JWT, Regex and more. Runs 100% in your browser.

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JSLint is a JavaScript program that looks for problems in JavaScript programs.

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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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| Website | codetray.dev | jslint.com |
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{"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."}
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JavaScript Chapter 4 - a look at jslint
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Recommendations tracked on public social media and blogs since March 2021.

Tracking CodeTray.dev since Jun 2026.
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
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