How To Crack Node Js Interview? Basic Questions And Answers

Опубликовано: 11 Апрель 2026
на канале: CodeSpace

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Here are some fundamental but commonly asked node js interview questions.

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Questions answered in this video:-

What is node js? 0:19
Why to use node js? 0:38
What is eventloop? 0:57
What is callback? 3:30
What is error first callback? 3:53
What is promises? 4:49
Callback vs Promises? 5:50
Async-await? 7:15
Npm ? 7:33
Module-exports? 7:53
Typescript? 8:21
JSLint vs ESLint? 10:08
Unit test libraries? 11:00
What is mocha, chai and sinon? 11:20
Jest? 11:38
Other testing frameworks used in nodejs or javascript? 11:44
How to get code coverage in node js unit testcases? 11:58

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