---
title: "Discussion on \"JavaScript Function Expression: What, Why, and How\" | Hashnode"
description: "Discussion on \"JavaScript Function Expression: What, Why, and How\". Function expressions in JavaScript: what they are, why they matter, and how to use them effectively."
url: "https://hashnode.com/posts/javascript-function-expression-what-why-and-how/64a905b3d4817db6483dcbed"
---

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# [JavaScript Function Expression: What, Why, and How](https://salmon.hashnode.dev/javascript-function-expression-what-why-and-how?utm_source=hashnode&utm_medium=feed)

Function expressions in JavaScript: what they are, why they matter, and how to use them effectively.

Jul 8, 2023 · 3 min read · salmon.hashnode.dev  
Updated Jul 11, 2023  
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## Written by

[Salman](https://hashnode.com/@selman)

@selman

  
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Driven software developer, strong passion for problem-solving, combined with a deep-seated fascination for full-stack technologies. Sharing insights on AI, tech tools and more

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