CodeFactor.io
JSLint
Codacy
ESLint
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.

Codacy
JSLint
PyLint
CodeFactor.io
ESLint
PEP8
Pyright
Linting and fixing code for all languages

Which is more popular?
Based on our record, Javascript Validator seems to be more popular. It has been mentioned 2 times since March 2021.
Website, pricing, platforms and company facts side by side.
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Javascript Validator
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| Website | beautifytools.com | coala.io |
| Pricing | — | |
| Listed in |
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Share your experience with using Javascript Validator and Coala. For example, how are they different and which one is better?
Recommendations tracked on public social media and blogs since March 2021.

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
Tracking Coala since Mar 2021.
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