node create unique id code example
Example 1: javascript generate unique id
function uuidv4() {
return 'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx'.replace(/[xy]/g, function(c) {
var r = Math.random() * 16 | 0, v = c == 'x' ? r : (r & 0x3 | 0x8);
return v.toString(16);
});
}
console.log(uuidv4());
Example 2: javascript generate unique id
function randomId(): string {
const uint32 = window.crypto.getRandomValues(new Uint32Array(1))[0];
return uint32.toString(16);
}
Example 3: node number id generator
npm i nodejs-unique-numeric-id-generator
yarn add nodejs-unique-numeric-id-generator
var ID = require("nodejs-unique-numeric-id-generator")
ID.generate(new Date().toJSON());
Example 4: random id number nodejs
const crypto = require("crypto");
const id = crypto.randomBytes(16).toString("hex");
console.log(id); // => f9b327e70bbcf42494ccb28b2d98e00e