Crypto.randomUUID()

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The randomUUID() method of the Crypto interface is used to generate a v4 UUID using a cryptographically secure random number generator.

Syntax

randomUUID()

Parameters

None.

Return value

A string containing a randomly generated, 36 character long v4 UUID.

Examples

The method is accessed through the global crypto property.

/* Assuming that self.crypto.randomUUID() is available */

let uuid = self.crypto.randomUUID();
console.log(uuid); // for example "36b8f84d-df4e-4d49-b662-bcde71a8764f"

Specifications

Specification
Web Cryptography API
# Crypto-method-randomUUID

Browser compatibility

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See also