What is the primary use case for Node Authentication and Authorization in Node.js?

It is primarily used to build scalable, non-blocking backend architectures where I/O operations are offloaded to the event loop.

How does this integrate with Express or other web frameworks?

It integrates seamlessly as middleware or a core utility within the route handlers, allowing for high-performance request processing.

What are the common pitfalls when implementing Node Authentication and Authorization?

Developers often forget to handle asynchronous errors or improperly manage memory, leading to memory leaks and blocked event loops.

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Security Best Practices in Node.js

Learn about Security Best Practices in this comprehensive Node.js development tutorial. Storage strategies.

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1Where to store JWTs?

Never store a JWT in localStorage. It is vulnerable to Cross-Site Scripting (XSS) attacks where malicious JS reads it. Store JWTs in HTTP-Only, Secure cookies. This prevents any JavaScript from accessing the token, while the browser automatically sends it with every request.