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 config properties in express js?

609

What are commonjs modules?

510

In which language node js is written?

522

How node js read the content of a file?

465

What do you understand by middleware?

493

What do you understand by middleware? How can you use middleware in node js?

469

How to generate unique uuids/ guid in node js?

502

What is difference between put and patch?

512

How to authenticate users in express js?

439

Explain ecmascript?

496

Why zlib is used in node js?

564

Write the steps for setting up an express js application.

517

Explain the difference between readfile and createreadstream in node js?

566

Who is the author of node js?

519

Which template engine is supported by express js?

478

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Un-Answered Questions { Node.js }

What happens if we call require() method to load same module multiple times in Node.js?

479

Give an example of writable stream in node.js?

519

How to stop master process without suspending all of its child processes?

1741

How will you debug an application in Node.js?

510

What is the use of Express Router Class?

501

Difference between cluster and child_process modules?

1164

Is node.js a single threaded application?

534

What is a control flow function?

648

Is node js a programming language?

486

What is difference between synchronous and asynchronous method of fs module?

763

How to make post request in node.js?

450

Can we use node.js for frontend?

533

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

526

which module is used for file based operations in node.js?

536

What is the difference between setImmiediate vs nextTick?

487

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