---
title: "Discussion on \"How arrays and objects are copied in JavaScript?\" | Hashnode"
description: "Discussion on \"How arrays and objects are copied in JavaScript?\". First, we need to thoroughly understand two concepts.\n1) Pass by value.\n2) Pass by reference."
url: "https://hashnode.com/posts/how-arrays-and-objects-are-copied-in-javascript/62b5e19d92447c9aed5b5918"
---

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# [How arrays and objects are copied in JavaScript?](https://blog.aamchora.space/how-arrays-and-objects-are-copied-in-javascript?utm_source=hashnode&utm_medium=feed)

First, we need to thoroughly understand two concepts. 1) Pass by value. 2) Pass by reference.

Jun 24, 2022 · 2 min read · blog.aamchora.space  
Updated Jul 29, 2022  
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## Written by

[Hemendra Khatik](https://hashnode.com/@Aamchora)

@Aamchora · India

  
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Learn, Unlearn and Evolve.

I'm a college dropout turned self-taught developer. I transform documented ideas into functioning scalable tech products.

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