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.

509

Explain repl in the context of node.js.

494

Is cryptography supported in node.js?

568

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

560

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

545

List down the major benefits of using node.js?

564

What do you understand by eslint?

497

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

538

Explain the working of the control flow function.

495

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

534

Differentiate between node.js vs ajax?

539

Explain the purpose of expressjs package?

564

List down the various timing features of node.js.

493

What do you understand by callback hell?

528

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

548

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Un-Answered Questions { Node.js }

Which server is used in node js?

576

What do you mean by asynchronous api?

500

What ides you can use for node.js development?

514

What is difference between put and patch?

539

Is nodejs secure?

556

Is it possible to access dom in node?

570

What are node.js unit testing frameworks?

579

Explain node.js architecture?

521

Is console a global object?

507

What are Events and Event Emitters in node.js?

594

What is package.json file in node project?

530

What is the recommended folder structure for MEAN app development?

485

How many types of streams are available in node.js?

547

Is nodejs scalable?

549

Explain modules in node js?

619

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