Node.js Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Node.js Interview Questions

Questions Answers Views Company eMail

How we can install node js?

536

How to connect mysql database using node js?

608

What is promises in node js?

496

What is the request object in nodejs?

550

Is it possible to evaluate simple expressions using node repl?

534

What is the difference between the global installation of dependencies and local installation of dependencies?

506

How "control flow" controls the functions calls?

542

Is node.js free to use?

549

What is npm? What is the main functionality of npm?

486

Explain node.js web application architecture?

576

What are the streams in node.js?

562

What types of tasks can be done asynchronously using the event loop?

546

What is event-driven programming in node.js?

527

What is the use of the underscore variable in repl?

518

Is it possible to access dom in node?

566

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Un-Answered Questions { Node.js }

Why is node js used?

544

What is difference between put and patch?

535

What is the recommended folder structure for MEAN app development?

483

Explain event loops in node js?

518

Is let and const hoisted?

499

How to share a variable between node.js modules?

540

Explain the reason as to why express ‘app’ and ‘server’ must be kept separate.

491

How will you close a file using node?

548

What do you mean by event emmitter?

576

Explain modules in node js?

617

What is a Callback function in Node.js?

695

Which module is used for web based operations?

539

Does node.js have a future?

567

What is the difference between readFile vs createReadStream in Node.js?

568

How to create function in node js?

570

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