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

Node.js Interview Questions

Questions Answers Views Company eMail

What is node js and how it works?

527

What is node js used for?

457

Why is node js used?

454

Why do we use npm?

459

Is a promise a callback?

486

Why is node js server side?

482

Is callback function asynchronous?

487

Are browsers single threaded?

458

Who developed npm?

474

Are callbacks asynchronous?

476

How do callbacks work?

408

Why should I use node js?

485

Why node js is so popular?

488

Why node js is so fast?

443

What are callback hells?

506

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Un-Answered Questions { Node.js }

What is module?

495

Explain 'Event Emitter' in Node.JS?

487

How do you create an environment variable?

423

What is the use of node_env?

476

Does nodejs use threads?

486

Explain ecmascript?

452

What is chaining in node?

469

What are Global objects in Node.js?

532

What are the important events of net.Socket in Node.js?

475

Is node js thread safe?

473

How does node js handle child threads?

447

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

466

What are the various options to download the version of a node module?

419

What are commonjs modules?

462

What is node js event loop?

465

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