---
title: "Discussion on \"Let, Const, and Var: A Beginner’s Guide to Variable Declaration in JavaScript\" | Hashnode"
description: "Discussion on \"Let, Const, and Var: A Beginner’s Guide to Variable Declaration in JavaScript\". Photo by Pankaj Patel on Unsplash\nAn important feature of any programming language, including JavaScript, is the ability to store data in variables that our code can access later on in its execution. For years, JavaScript only had one way to declare ..."
url: "https://hashnode.com/posts/let-const-and-var-a-beginners-guide-to-variable-declaration-in-javascript-3486d6a4dfd5/61a6d492be456923c52baeaf"
---

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# [Let, Const, and Var: A Beginner’s Guide to Variable Declaration in JavaScript](https://non-traditional.dev/let-const-and-var-a-beginners-guide-to-variable-declaration-in-javascript-3486d6a4dfd5?utm_source=hashnode&utm_medium=feed)

Photo by Pankaj Patel on Unsplash An important feature of any programming language, including JavaScript, is the ability to store data in variables that our code can access later on in its execution. For years, JavaScript only had one way to declare ...

Sep 10, 2019 · 7 min read · non-traditional.dev  
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[Travis Waith-Mair](https://hashnode.com/@nontraditionaldev)

@nontraditionaldev · Houston, Texas

  
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Travis Waith-Mair is a software engineer with a focus on front-end development. He is the author of the course "Composing Layouts in React" on Newline.co, where he teaches developers how to create flexible and modular layout systems using the React JavaScript library. In addition to his work as a course author, Travis is also the creator of the Bedrock Layout Primitives Library, a set of open-source tools for building robust and highly customizable layout systems. Travis's passion for front-end development is driven by his belief that a well-designed layout is the foundation of any great user experience.

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