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 are the uses of npm in node js?

515

Is there any system configration needed to install node js?

553

What is the disadvantages of node.js?

500

How is node.js different from ajax?

480

Why we have to keep separate express app and server?

479

What are the local installations of dependencies?

508

What do you mean by event emmitter?

523

What is the role of require() in node js?

457

What are the exit codes in node.js? Can you list a few exit codes?

516

Why do we need promises in node js?

483

What is a callback in node.js?

503

define an error-first callback?

499

How to pass an array in insert query using node js?

490

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

453

What are the exit codes in node.js?

493

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Un-Answered Questions { Node.js }

What function are arguments available to express js route handlers?

498

What do you understand by the term i/o?

465

Is node js still popular?

473

What is the advantage of using node.js?

491

What does an http server do?

551

Is node js synchronous or asynchronous?

509

Explain event loop in node js?

503

How can you uninstall a dependency using the npm?

531

What is the difference between module.exports and exports in node.js?

530

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

486

How to support multi-processor platforms in Node.js?

544

What is the meaning of tilde and caret in package.json?

549

How to define routes using Express?

493

What are the fundamental difference between node.js and ajax?

482

What is the use of express js?

615

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