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

Node.js Interview Questions

Questions Answers Views Company eMail

What are the fundamental difference between node.js and ajax?

482

How do you open a file using node.js?

565

How to uninstall the dependency using npm?

514

What is an event emmitter?

534

How do you delete a directory using node.js?

539

How do you get information of a file using node.js?

575

How do you truncate a file using node.js?

536

What are local installations of dependencies?

472

How do you read a file using node.js?

575

What is the use of cleartimeout() function in node.js?

486

What are the purposes of process object in node.js

562

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

536

What is a blocking code in node.js?

543

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

537

What we use buffer class in node.js?

496

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Un-Answered Questions { Node.js }

How we can secure http cookies against xss attacks?

467

What is the use of the underscore variable in repl?

478

Why to use Express?

474

Is nodejs a language?

498

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

494

What are global variables in node.js?

519

How Grunt and Gulp deal with Task Automation?

520

Is nodejs scalable?

519

Are you sure node.js execute system command synchronously?

505

What is piping in node js?

481

What is the use of setinterval() function in node.js?

492

What is node.js? Where can you use it?

554

Is node js a backend?

526

Why is node popular?

460

Explain event loop in node js?

503

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