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How to Generate a Unique ID with JavaScript?

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To generate a unique ID with JavaScript, we can use the uuid package.

To install it, we run:

npm i uuid

Then we can use the package to generate some unique IDs by writing:

const uuid = require('uuid');
const {
  v1: uuidv1,
  v4: uuidv4,
} = require('uuid');

console.log(uuidv1())
console.log(uuidv4())

We use the uuidv1 function to generate v1 UUIDs and the uuidv4 function to generate V4 UUIDs.

Then we get something like:

62d097d0-df74-11eb-ba01-719ac742ff00
06bbeb19-754d-4092-97a0-7ab61d394d05

as a result from the console log.

Conclusion

To generate a unique ID with JavaScript, we can use the uuid package.

By John Au-Yeung

Web developer specializing in React, Vue, and front end development.

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