Crypto.getRandomValues()
to generate a UUID, compliant with RFC4122 version 4.Number.prototype.toString(16)
to convert it to a proper UUID.const UUIDGeneratorBrowser = () => ([1e7] + -1e3 + -4e3 + -8e3 + -1e11).replace(/[018]/g, c => ( c ^ (crypto.getRandomValues(new Uint8Array(1))[0] & (15 >> (c / 4))) ).toString(16) );
UUIDGeneratorBrowser(); // '7982fcfe-5721-4632-bede-6000885be57d'
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