CODE EXAMPLE FOR JAVASCRIPT

generate global unique id javascript

function getUUID() {
    return ([1e7]+-1e3+-4e3+-8e3+-1e11).replace(/[018]/g, c =>
      (c ^ crypto.getRandomValues(new Uint8Array(1))[0] & 15 >> c / 4).toString(16)
    );
}

const guid = getUUID();

console.log(guid); // a902e165-78f1-423f-866d-b3c51610e9be