---
title: "Discussion on \"JS Fundamentals #21 Understanding Lexical Environment and Scope Chaining in JavaScript\" | Hashnode"
description: "Discussion on \"JS Fundamentals #21 Understanding Lexical Environment and Scope Chaining in JavaScript\". JavaScript’s behavior around variable access, function execution, and closures can feel mysterious until you understand lexical environments and scope chaining. These concepts form the foundation of how JavaScript resolves identifiers (variables, fun..."
url: "https://hashnode.com/posts/js-fundamentals-21-understanding-lexical-environment-and-scope-chaining-in-javascript/69359af514dd127d052c0f87"
---

[Feed](https://hashnode.com/feed) /

Discussion

# [JS Fundamentals #21 Understanding Lexical Environment and Scope Chaining in JavaScript](https://pushpesh-js-articles.hashnode.dev/js-fundamentals-21-understanding-lexical-environment-and-scope-chaining-in-javascript?utm_source=hashnode&utm_medium=feed)

JavaScript’s behavior around variable access, function execution, and closures can feel mysterious until you understand lexical environments and scope chaining. These concepts form the foundation of how JavaScript resolves identifiers (variables, fun...

Dec 7, 2025 · 3 min read · pushpesh-js-articles.hashnode.dev  
Read the article

-   [#scope-chaining-in-javascript](https://hashnode.com/tag/scope-chaining-in-javascript)
-   [#lexical-environment](https://hashnode.com/tag/lexical-environment)
-   [#closures-in-javascript](https://hashnode.com/tag/closures-in-javascript)

## Written by

[pushpesh kumar](https://hashnode.com/@pushpeshkumar)

@pushpeshkumar · Oslo, Norway

  
[View profile](https://hashnode.com/@pushpeshkumar)

## Responses

Markdown supported · ⌘↵ to post

No responses yet.