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A full list of JavaScript operators with examples

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Hyperproof
Compliance, Done for You. SOC2, ISO27001, HIPAA weeks, not month. We tailor, manage, and run your entire compliance process so you can focus on growing your business. Open-source, transparent, and stress-free.

Which is more popular?
Based on our record, JavaScript Operator Lookup seems to be more popular. It has been mentioned 1 time since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | joshwcomeau.com | probo.com |
| Pricing | — | |
| Company | — | Startup from the United States · 1 - 9 employees · 2025 |
| Listed in |
In their own words, as submitted to SaaSHub.


No description of JavaScript Operator Lookup yet.
Probo is a compliance automation platform designed to remove the complexity from achieving and maintaining cybersecurity certifications. Whether you're pursuing SOC 2, ISO 27001, GDPR, or other frameworks, Probo streamlines evidence collection, policy management, and audit preparation into one...
What each product offers, as listed by its team.


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An editorial look at what each product does well and who it suits.


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Probo - SOC 2 in a week
How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing JavaScript Operator Lookup and Probo.
Probo's answer:
Probo's answer:
You should choose Probo if you care about doing compliance the right way, and want a partner that prioritizes quality over shortcuts.
Many compliance tools aim to “move fast” by standardizing everything — but compliance is never one-size-fits-all. Probo takes a more reliable approach: we tailor the process to how your company actually operates, and we ensure every control, policy, and piece of evidence is complete, consistent, and defensible.
That means:
Higher audit confidence
Less back-and-forth with auditors
More credibility with enterprise buyers
And a compliance program you can scale over time
With Probo, you’re not buying software alone — you’re getting a team that helps you deliver real compliance quality, end to end.
Probo's answer:
Probo is make for startups and scale-up who are growing and need to prove their process are secure while keep focusing on their business. Probo compliance platform is also for compliance team of SMEs and enterprises.
Probo's answer:
Probo is built around one core principle: compliance should be done properly, not just quickly.
What makes us different is our hybrid approach: a modern compliance platform combined with hands-on compliance experts who work directly with your team. We don’t just generate templates or automate checklists — we help you build a real, audit-ready security and compliance program that holds up to scrutiny from auditors and enterprise customers.
Probo's answer:
Antoine, co-founder of Probo is an ISO 27001 auditor with experience in compliance assessment and implementation. Passionate about making compliance accessible and straightforward. Bryan, co-founder is an YC alumnus and engineer who managed SOC2/ISO27001 compliance at his previous startup. Experienced in building scalable solutions for complex problems.
Share your experience with using JavaScript Operator Lookup and Probo. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.


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Probo is built with European organizations in mind. This is increasingly important in 2026 as EU regulations continue to expand in scope and enforcement. Probo supports:
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
Tracking Probo since May 2025.
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