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 we can read a file in node js?

539

In node.js, which framework is used commonly?

544

What is node.js and why it is used?

593

Why node.js is used?

607

What is the command for import external libraries in node js?

622

How to use promises in node js?

547

List some exit codes?

491

What do you mean by “streams”? What are the different types of streams in node.js?

594

What is nodemon and how it can we used?

551

What is a reactor pattern in node.js?

553

How we can delete a file in node js?

573

List some tools and ides that are used in node.js

511

How we can update npm to new version in node.js?

557

What is the difference between nodejs and jquery?

606

What are the differences between synchronous and asynchronous methods of the fs module?

687

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Un-Answered Questions { Node.js }

How to get post data in node.js?

610

Is node.js is free?

540

What are lts releases? Why are they important?

489

What do you understand by callback hell?

528

What is callback function in nodejs?

552

How to debug the Node.js code using IDE debuggers?

527

What are lts releases of node.js?

552

Does node.js run on windows? Yes!

535

What tools can help you assure a consistent style?

529

Explain the difference between const and let in node js?

521

What is middlewares? What is the concept of middlewares in Express.js?

541

Why Node.js is based on single threaded architecture?

480

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

537

Which module is used for buffer based operations in node.js?

573

Differentiate between node.js vs ajax?

539

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