UUID in JavaScript: randomUUID, uuid, and nanoid
Generate UUIDs in JavaScript using the native crypto.randomUUID() API, the uuid npm package, and nanoid. Covers browser, Node.js, and edge runtimes.
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Tags: developer-tools, uuid, javascript
UUID in JavaScript: crypto.randomUUID(), uuid Package, and nanoid Generating UUIDs in JavaScript has never been easier — the platform now ships a native method that outperforms every npm package. But the package still matters for v1, v5, and v7, and is worth knowing when you need shorter IDs. Here is the complete picture. --- The Fast Answer: crypto.randomUUID() If you need a random UUID v4 in a modern browser or Node.js 19+, stop here: That's it. No import, no package, no options. is available: Browsers: Chrome 92+, Firefox 95+, Safari 15.4+, Edge 92+ Node.js: 14.17.0+ (as ) and globally in Node 19+ Deno: Built-in The output is always a lowercase, hyphenated v4 UUID. It uses the OS CSPRNG (cryptographically secure pseudo-random number generator), the same entropy source used by…
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