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

Node.js Interview Questions

Questions Answers Views Company eMail

Explain what is a javascript engine?

528

Explain cli?

473

Is node js single-threaded?

527

How can you set default node version using nvm?

570

What function are arguments available to express js route handlers?

498

What is difference between return and callback in javascript functions?

565

What is the revealing module pattern?

509

How does promise and queue work?

508

Explain event loop in node js?

504

Since node is a single threaded process, how to make use of all cpus?

506

Explain v8 engine?

440

Name the type of web applications which can be built using express js.

462

What is the use of express js?

615

How can models be defined in express js?

612

What is jit and how is it related to node js?

539

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Un-Answered Questions { Node.js }

What is the difference between the global installation of dependencies and local installation of dependencies?

469

Explain the reason as to why express ‘app’ and ‘server’ must be kept separate.

470

What are various node.js REST API frameworks?

509

How Grunt and Gulp deal with Task Automation?

521

What is the request object in nodejs?

510

What are the biggest drawbacks of node.js?

459

How To Update A Dependency Using Npm?

500

What is v8 engine in node js?

496

Name some of the flags used in read/write operation on files.

569

What are the useful shortcuts of repl terminal?

507

How to debug node.js applications?

491

What are WebSockets in node.js?

505

Does uber use node.js?

531

How will you write a file using node?

503

How do you read a file using node.js?

575

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