---
title: "Discussion on \"JavaScript Variables and Data Types – A Beginner’s Guide\" | Hashnode"
description: "Discussion on \"JavaScript Variables and Data Types – A Beginner’s Guide\". 🔹 What is a Variable?\nA variable is a named container that stores data that can be used and modified later.\nIn modern JavaScript, you can declare variables using:\n\nvar (old, avoid using it)\n\nlet (block-scoped, preferred)\n\nconst (block-scoped, for co..."
url: "https://hashnode.com/posts/javascript-variables-and-data-types-a-beginners-guide/686e98ee1def1255f3e388bf"
---

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# [JavaScript Variables and Data Types – A Beginner’s Guide](https://js-variables-and-datatypes.hashnode.dev/javascript-variables-and-data-types-a-beginners-guide?utm_source=hashnode&utm_medium=feed)

🔹 What is a Variable? A variable is a named container that stores data that can be used and modified later. In modern JavaScript, you can declare variables using: var (old, avoid using it) let (block-scoped, preferred) const (block-scoped, for co...

Jul 9, 2025 · 3 min read · js-variables-and-datatypes.hashnode.dev  
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[Abhay Ganesh Bhagat](https://hashnode.com/@Abhayb)

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