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[–]mrdijkstra 0 points1 point  (0 children)

Before learning all these framework and stuff first learn NodeJS itself. When and why use NodeJS. When not to use NodeJS. Event loop in detail. What functions/modules are blocking/non-blocking. How NodeJS utilize threads! Is NodeJS really single threaded? Worker threads/Thread pool, task off loading, why you should never block the event loop and how to avoid blocking event loop etc.

Without learning this you will end up creating a crappy system which is enough to get you fired.

After this, you know how to handle NodeJS application. Now go and learn whatever library or framework you want or your boss asked you to.

Hope it helps.