How to Generate JWT Token in Node.js

JWT (JSON Web Token) is a secure way to handle authentication in Node.js applications. It allows the server to generate a token containing user data, which can be used for authentication and API security. To generate a JWT token in Node.js, you typically use the jsonwebtoken package. The process involves creating a payload, signing it with a secret key, and setting an expiration time. This token is then sent to the client and used for secure requests. JWT is widely used in Express.js and other Node.js frameworks for user authentication and access control.

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