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 does node.js handle the child threads?

665

What do you understand by reactor pattern in node.js?

526

Explain the process to implement test pyramid in terms of http apis.

549

Explain the concept of middleware in node.js?

561

What is the difference between angular and node.js?

581

What do you understand by global objects in node.js?

541

For node.js, why google uses v8 engine?

559

How assert works in node.js?

538

How many types of api functions are there in node.js?

559

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

491

Differentiate between process.nexttick() and setimmediate()?

540

Differentiate between spawn() and fork() methods in node.js?

508

What is the use of node_env?

556

What’s the difference between ‘front-end’ and ‘back-end’ development?

506

Explain the purpose of module.exports?

540

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Un-Answered Questions { Node.js }

What is closures?

684

Explain 'buffer class' in node.js?

558

Is node an application server?

530

How can you avoid callbacks?

515

What is an event loop in node.js and how does it work?

560

What do you mean by “streams”?

513

What is the difference between node and nodejs?

618

What is event emmitter?

524

What are the important APIs in Timers module in Node.js?

515

What is the name of the flags used in read/write operation on files?

533

What is the repl in context of node.js?

524

What do you understand by the term i/o?

499

Explain “Console” in Node.JS?

507

What is the purpose of node.js module.exports and how do you use it?

536

What is the purpose of cleartimeout function?

545

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