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title: "Discussion on \"🚀 Mastering Array Flattening in JavaScript: From Built-ins to Custom Polyfills\" | Hashnode"
description: "Discussion on \"🚀 Mastering Array Flattening in JavaScript: From Built-ins to Custom Polyfills\". If you've spent any time working with JavaScript, you've probably encountered a situation where you had an array filled with other arrays, and you just wanted one clean, flat list.\nFlattening arrays i"
url: "https://hashnode.com/posts/mastering-array-flattening-in-javascript-from-built-ins-to-custom-polyfills/69e12524ffbb787634e433d6"
---

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# [🚀 Mastering Array Flattening in JavaScript: From Built-ins to Custom Polyfills](https://blog.debeshghorui.dev/mastering-array-flattening-in-javascript-from-built-ins-to-custom-polyfills?utm_source=hashnode&utm_medium=feed)

If you've spent any time working with JavaScript, you've probably encountered a situation where you had an array filled with other arrays, and you just wanted one clean, flat list. Flattening arrays i

Apr 16 · 7 min read · blog.debeshghorui.dev  
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-   [#javascript](https://hashnode.com/tag/javascript)
-   [#polyfills](https://hashnode.com/tag/polyfills)
-   [#array](https://hashnode.com/tag/array)
-   [#array-methods](https://hashnode.com/tag/array-methods)

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[Debesh Ghorui](https://hashnode.com/@debeshghorui)

@debeshghorui

  
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