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A full list of JavaScript operators with examples

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Semgrep is a fast, open-source, static analysis tool for finding bugs and enforcing code standards at editor, commit, and CI time.
Which is more popular?
Based on our record, Semgrep seems to be a lot more popular than JavaScript Operator Lookup. While we know about 26 links to Semgrep, we've tracked only 1 mention of JavaScript Operator Lookup.
Website, pricing, platforms and company facts side by side.
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| Website | joshwcomeau.com | semgrep.dev |
| Pricing | — | |
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What each product offers, as listed by its team.


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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 JavaScript Operator Lookup and Semgrep. For example, how are they different and which one is better?
Recommendations tracked on public social media and blogs since March 2021.


If you replace your || with ?? You should get the behaviour you are after. This is a good reference for what the operators do in js: https://joshwcomeau.com/operator-lookup. Source: about 5 years 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 / 25 days 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
I have noticed this in myself and in teams I have worked with: as output volume rises, review time does not rise with it. If anything, it compresses. The productivity gains are real. So is the risk they paper over. Tools like Semgrep and... - Source: dev.to / 2 months ago
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