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

Node.js Interview Questions

Questions Answers Views Company eMail

How to create an Http server using Express?

529

How to create an Http Server using Node.js?

520

How to check a file/directory existence in node.js?

494

Give an example of readable stream with flowing mode b?

500

What are WebSockets in node.js?

504

What events are supported by readable streams in node.js?

544

What are node.js unit testing frameworks?

546

What are the two types of API functions in Node.js ?

514

How to create a simple chat app using socket.io in node.js?

536

What events are supported by writable streams in node.js?

526

What functions are provided by fs module to perform I/O operations on a file in node.js?

518

What functions are provided by path module in Node.js?

590

What is socket.io in node.js?

513

What is Express in node.js?

531

Which types of network application you can build using node.js?

538

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Un-Answered Questions { Node.js }

What is the preferred method of resolving unhandled exceptions in node.js?

562

What is a callback hell?

513

How to install a node module locally and globally? How to add them into package.json?

503

Explain 'dns module' in node.js?

540

What is node application?

472

How much does it cost to develop an app like uber?

513

What tools can help you assure a consistent style?

501

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

544

Is callback function asynchronous?

513

What are the two types of API functions in Node.js ?

514

What is Express in node.js?

531

Explain event loops in node js?

491

What is the purpose of module.exports in Node.js?

487

What is the disadvantages of node.js?

500

What are the exit codes in node.js?

493

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