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Register your creations and get an instant copyright certificate. Free service, proof of authorship recognized in 181 countries (Bern Convention).

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A full list of JavaScript operators with examples

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 | copyright01.com | joshwcomeau.com |
| Company | Startup from France · 1 - 9 employees · 2026 | — |
| Listed in |
In their own words, as submitted to SaaSHub.


Copyright01 is an online copyright deposit platform for creators, developers, designers, musicians, photographers, and entrepreneurs. Upload a file or paste a URL, and get a verifiable PDF certificate with a QR code, digital timestamp, and blockchain fingerprint. What it does: - Deposits 14+...
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External articles and on-site reviews we used to compare the two products.


Copyright01 is a straightforward and reliable service for registering copyrights online. The process is incredibly fast — I was able to upload my file and receive a PDF certificate with a SHA-256 hash and a QR code...
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Recommendations tracked on public social media and blogs since March 2021.


Tracking Copyright01 since Mar 2026.
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
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