---
title: "Discussion on \"JavaScript Array 101\" | Hashnode"
description: "Discussion on \"JavaScript Array 101\". Topics to be covered\n\nWhat arrays are and why we need them\n\nHow to create an array\n\nAccessing elements using index\n\nUpdating elements\n\nArray length property\n\nBasic looping over arrays"
url: "https://hashnode.com/posts/javascript-array-101/69b6e43ff4eb2f8b04b4f47b"
---

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# [JavaScript Array 101](https://chaudhary-web-dev.hashnode.dev/javascript-array-101?utm_source=hashnode&utm_medium=feed)

Topics to be covered What arrays are and why we need them How to create an array Accessing elements using index Updating elements Array length property Basic looping over arrays

Mar 15 · 1 min read · chaudhary-web-dev.hashnode.dev  
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-   [#javascript](https://hashnode.com/tag/javascript)
-   [#array](https://hashnode.com/tag/array)

## Written by

[Priyanshu Chaudhary](https://hashnode.com/@chaudhary016)

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