
Snyk
SonarQube
Aikido Security
Checkmarx
ESLint
Codacy
Veracode
Semgrep is a fast, open-source, static analysis tool for finding bugs and enforcing code standards at editor, commit, and CI time.
CodeFactor.io
JSLint
Codacy
ESLint
Coala
textlint
Prettier
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, Semgrep seems to be a lot more popular than Javascript Validator. While we know about 27 links to Semgrep, we've tracked only 2 mentions of Javascript Validator.
Website, pricing, platforms and company facts side by side.
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Javascript Validator
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| Website | semgrep.dev | beautifytools.com |
| Pricing | — | |
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What each product offers, as listed by its team.

Possible disadvantages
No features have been listed yet.
Walkthroughs and reviews on video.
Semgrep: a lightweight static analysis tool for security consultant and hackers
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How often each product is chosen within a category, 0–100% relative to the other.

Share your experience with using Semgrep 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.

Dependency-cruiser tells you which files talk to each other. It can't tell you what the code inside a file is doing. That's what Semgrep is for. - Source: dev.to / 9 days ago
For static analysis there's PHPStan for PHP and Mypy for Python. For formatting, Prettier and gofmt are the cheapest guardrail there Is, with zero excuse not to run one. For security, Semgrep Covers the same principle at higher stakes. - Source: dev.to / about 1 month ago
Static Analysis & Semgrep: Do not rely on LLM alignment to write clean code. Enforce it. Write Semgrep rules to ban specific anti-patterns. If your standard dictates no default mutable values in Python methods, codify it. When the agent... - Source: dev.to / about 2 months 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
When comparing Semgrep and Javascript Validator, you can also consider the following products.

Snyk helps you use open source and stay secure. Continuously find and fix vulnerabilities for npm, Maven, NuGet, RubyGems, PyPI and much more.
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Automated Code Review for GitHub & BitBucket
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SonarQube, a core component of the Sonar solution, is an open source, self-managed tool that systematically helps developers and organizations deliver Clean Code.
Compare SonarQube to Semgrep or Javascript Validator:

JSLint is a JavaScript program that looks for problems in JavaScript programs.
Compare JSLint to Semgrep or Javascript Validator:

Secure your code, cloud, and runtime in one central system. Find and fix vulnerabilities fast and automatically.
Compare Aikido Security to Semgrep or Javascript Validator:

Automatically reviews code style, security, duplication, complexity, and coverage on every change while tracking code quality throughout your sprints.
Compare Codacy to Semgrep or Javascript Validator: