---
title: "Discussion on \"Array Flatten in JavaScript\" | Hashnode"
description: "Discussion on \"Array Flatten in JavaScript\". Arrays are straightforward until they're not. A flat array [1, 2, 3, 4] is easy to work with. But data from APIs, recursive structures, and real-world sources often arrives nested: arrays inside array"
url: "https://hashnode.com/posts/array-flatten-in-javascript/69fdd069f1031eec8d7f0ce2"
---

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# [Array Flatten in JavaScript](https://blog-santra.hashnode.dev/array-flatten-in-javascript?utm_source=hashnode&utm_medium=feed)

Arrays are straightforward until they're not. A flat array \[1, 2, 3, 4\] is easy to work with. But data from APIs, recursive structures, and real-world sources often arrives nested: arrays inside array

May 8 · 5 min read · blog-santra.hashnode.dev  
Read the article

-   [#array](https://hashnode.com/tag/array)
-   [#flatten-array](https://hashnode.com/tag/flatten-array)
-   [#nested-array](https://hashnode.com/tag/nested-array)
-   [#array-flatten-js](https://hashnode.com/tag/array-flatten-js)

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