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

Node.js Interview Questions

Questions Answers Views Company eMail

Explain libuv.

432

Explain repl in the context of node.js.

434

Is cryptography supported in node.js?

502

What is an event loop in node.js and how does it work?

468

List down the steps using which “control flow” controls the function calls in node.js?

464

List down the major benefits of using node.js?

482

What do you understand by eslint?

417

What do you understand by an event emitter in node.js?

445

Explain the working of the control flow function.

411

What is an error-first callback in node.js?

470

Differentiate between node.js vs ajax?

468

Explain the purpose of expressjs package?

478

List down the various timing features of node.js.

433

What do you understand by callback hell?

448

Define the concept of the test pyramid. Explain the process to implement them in terms of http apis.

473

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Un-Answered Questions { Node.js }

How to debug the Node.js code using IDE debuggers?

447

What is an event loop in node?

468

What template engines you can use with express?

453

Is nodejs a framework?

489

What do you understand by reactor pattern in node.js?

431

Are promises better than callbacks?

408

Is node js a programming language?

447

How can we control versioning about packages in node.js?

442

List down the various timing features of node.js.

433

How to debug the code in Node.js?

436

How can we avoid callbacks?

467

What is the use of a buffer class in node.js?

487

What is difference between javascript and nodejs?

465

Which module is used for web based operations in node.js?

497

Explain npm in node.js?

480

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