How do you generate an UUID in JavaScript?

How do you generate an UUID in JavaScript?

Since Crypto API is standard in all modern browsers, it’s as simple as invoking a method from the crypto object:

crypto.randomUUID();

And validating it is just a matter of specifying a regular expression and calling the test() method on it.

let regex = /^[a-z,0-9,-]{36,36}$/;
let uuid = crypto.randomUUID();
/* Will return true if the regex is valid */
regex.test(uuid);

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