JS Fundamentals #15 — 🔗 Scope Chain — How Variables are Resolved in JavaScript
Jun 30, 2025 · 2 min read · When you write JavaScript, you often use variables declared in different scopes. Have you ever wondered how JavaScript knows which variable to use when there are many with the same name? The answer lies in the scope chain. 🌟 What is a Scope? A scope...
Join discussionJS Fundamentals #8 — 🧩 Primitive vs Reference Values in JavaScript
May 24, 2025 · 11 min read · One of the most fundamental concepts in JavaScript that often confuses developers is the difference between primitive and reference values. This distinction affects how variables are stored, copied, compared, and passed to functions. Understanding th...
Join discussion🧠 JavaScript Scope and Scope Chaining: Beginner to Advanced
Apr 13, 2025 · 3 min read · ✅ What is Scope in JavaScript? Scope determines the accessibility (visibility) of variables. In JavaScript, scope defines where variables, functions, and objects are accessible in your code. 📦 Types of Scope: Global Scope – Accessible everywhere. ...
Join discussionPart 1: Execution Context - The core of Javascript
Nov 11, 2024 · 7 min read · Introduction JavaScript’s Execution Context is foundational yet complex concept for understanding how JavaScript runs your code. If you aim to write performant, error-free code and debug complex applications, mastering Execution Context is crucial. I...
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Understanding Scoping in JavaScript : A Developer's Guide
Jul 14, 2024 · 3 min read · JavaScript is a powerful and versatile language that relies heavily on the concepts of scoping. Understanding these concepts is essential for writing efficient and bug-free code. In this blog post, we'll explore what scoping mean in JavaScript, how i...
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JavaScript Essentials: Understanding Scope, Lexical Environment, and Hoisting
May 27, 2024 · 3 min read · Unveiling JavaScript Scope, Lexical Environment, and Hoisting: Demystifying Key Concepts Scope: Where Variables and Functions Live Scope determines where you can access a specific variable or function in your code. It is directly dependent on the lex...
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Scope Chain & Lexical Environment
Mar 11, 2024 · 3 min read · Scope : Scope is one of the most important JavaScript concepts. It helps us to understand other concepts such as closures and lexical environment. There are two types of scopes : Global scope Local scope (Block and function scope) Global scope : ...
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Scope and Lexical Environment in JavaScript
Jan 15, 2024 · 3 min read · Hi there, another fan of JavaScript! 🚀 We're exploring JavaScript's scope and lexical environment today, which is an exciting topic. To comprehend how variables are accessed and changed in your code, you must grasp some basic ideas. Let's embark on ...
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Execution Context and Scope Chain in JavaScript
Oct 23, 2023 · 7 min read · In this post, we will discuss what is execution context and scope chain in JavaScript. This is a very interesting and essential topic for those who want to know how JavaScript works under the hood. This post gives you a deeper understanding of how a ...
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