---
title: "Discussion on \"Higher-order functions: Map and Filter in JavaScript\" | Hashnode"
description: "Discussion on \"Higher-order functions: Map and Filter in JavaScript\". A higher-order function is a function that either returns a function or takes in a function as an argument. Map, filter and reduce are some of the built-in higher-order functions in JavaScript. They can be used in arrays and I am going to briefly des..."
url: "https://hashnode.com/posts/higher-order-functions-map-and-filter-in-javascript-93253fe94084/63caca75587fc59d3cd738d0"
---

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# [Higher-order functions: Map and Filter in JavaScript](https://blogs.bigomega.dev/higher-order-functions-map-and-filter-in-javascript-93253fe94084?utm_source=hashnode&utm_medium=feed)

A higher-order function is a function that either returns a function or takes in a function as an argument. Map, filter and reduce are some of the built-in higher-order functions in JavaScript. They can be used in arrays and I am going to briefly des...

Jan 18, 2019 · 2 min read · blogs.bigomega.dev  
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## Written by

[Prashant Acharya](https://hashnode.com/@prashantacharya)

@prashantacharya · Kathmandu, Nepal

  
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Software Engineer based on Kathmandu

I am a full-stack developer with 5 years of experience building web applications. Skilled in technologies such as JavaScript, TypeScript, Node.js, Go, React, and PostgreSQL. I have a strong understanding of web development principles and the ability to handle both front-end and back-end tasks. Always eager to learn new technologies and improve my skills.

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