UUID v4 Generator

Generates a random UUID v4 string. Useful for creating unique identifiers in frontend applications without external dependencies.

JavaScript7/16/2025

#utilities#uuid#random

JavaScript

function generateUUID() {
  return 'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx'.replace(/[xy]/g, function(c) {
    const r = Math.random() * 16 | 0;
    const v = c === 'x' ? r : (r & 0x3 | 0x8);
    return v.toString(16);
  });
}

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