What is npm, and how do you use it in Node.js development?
Node Js Developer Interview Questions
731 node js developer interview questions shared by candidates
Can you explain the difference between callback functions, promises, and async/await in Node.js?
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?
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?
Por que decidiu entrar na área.
Design an tinyURL service on the board How did you do async operations before async/await?
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