Koa Js Interview questions & Answers (2025)

Koa JavaScript is an advanced type of framework for accomplishing the same functions as that of Node JS. It makes codes based on Node but makes them quite lightweight and much cleaner. It also offers various other features such as error handling, router modulation, generation of codes and cascading of the middleware.

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Koa Js Interview Questions Interview Preparation Guide

Below are the list of koa.js interview questions and answers Read Top koa.js interview questions

Interview Tip

In Koa Js Interview Questions interviews, it's important to clearly explain key concepts and demonstrate your coding skills in real-time. Practice articulating your thought process while solving problems, as interviewers value both your technical ability and how you approach challenges.

Our team has carefully curated a comprehensive collection of the top Koa Js Interview questions to help you confidently prepare, impress your interviewers, and land your dream job.

Koa Js Interview questions for Freshers

1 List some key features of koa.js?

  • Lightweight and modular.
  • No callback hell.
  • Better error handling through try/catch.
  • Better user experience.
  • Proper stream handling.

2 Explain Koa Js?

Koa js modular lightweight web application framework for Node JS.

3 List few difference between Koa and Express.

Below is the list of few differences between Koa and Express.

  • Koa aims to "fix and replace node" whereas Express "augments node"
  • Koa uses promises and async functions to rid off callback hell whereas Express uses req and res.
  • Koe does not support features likes routing and templating whereas Express supports routing and templating.

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