explain callback hell and how to avoid the same.
Node Js Developer Interview Questions
731 node js developer interview questions shared by candidates
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MCQ's related to Node js and Javascript
How does Node.js handle asynchronous operations, and what are the differences between callbacks, promises, and async/await? Can you explain the event loop in Node.js and how it affects performance, especially when dealing with I/O-bound tasks? What is the purpose of middleware in Express.js, and can you provide an example of how you would create and use custom middleware in an application?
Can you explain the differences between the event loop in Node.js and traditional multi-threading models?
Explain the concept of non-blocking I/O in Node.js. How does it contribute to scalability?
How does error handling work in Node.js? What are best practices for error handling in Node.js applications?
Describe your experience with CI/CD pipelines and Docker in Node.js development.
Discuss the use of promises and async/await in Node.js. How do they improve asynchronous code readability and maintainability?
- Diference between stacks and queue - what is a collapse in hash tables - how the event loop works in nodejs - what is a reduce and a map - an excecise ( something like fizzbuzz but with leap years )
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