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.

507

Explain repl in the context of node.js.

490

Is cryptography supported in node.js?

564

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

557

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

543

List down the major benefits of using node.js?

562

What do you understand by eslint?

495

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

534

Explain the working of the control flow function.

492

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

533

Differentiate between node.js vs ajax?

536

Explain the purpose of expressjs package?

561

List down the various timing features of node.js.

490

What do you understand by callback hell?

527

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

546

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Un-Answered Questions { Node.js }

Which command is used to import external libraries in node.js?

677

Where node.js can be used?

526

Why zlib is used in node js?

589

What is the use of module.exports in node.js?

530

How to test your code in Node.js?

529

How do you resolve unhandled exceptions in a Node.js program?

596

How to debug the Node.js code using Node Inspector?

568

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

522

What is connect in node.js?

498

How do you open a file using node.js?

616

Why node js is faster than php?

514

How to handle errors in Node.js? 34

646

Why is the importance of a consistent style? What tools can help you assure a consistent style?

484

Why to use MongoDB?

507

Is nodejs asynchronous?

520

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