Dec 7, 2025 · 3 min read · 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...
Join discussionJul 29, 2025 · 3 min read · Ever wondered how functions remember their outer scope to execute? How scopes work in Javascript? In this article, we will look at the core concepts like execution context, lexical environment, scope chaining and closures. These concepts define how J...
Join discussionMay 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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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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Feb 21, 2024 · 2 min read · Delving into JavaScript programming often introduces the concept of "lexical environment." While it may initially appear daunting, fret not! In this blog post, we'll demystify what lexical environment means in simple terms and explore its practical i...
Join discussionSep 7, 2023 · 9 min read · Closures, Closures, Closures !!!!🤔 If you've ever felt puzzled by closures in JavaScript, you're in good company. You could be using closures every day in your code and not even know it! Yep, true story. Believe it or not, I once aced a closure-base...
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Jul 28, 2023 · 10 min read · Closures were a rather daunting topic when I first got started with JavaScript. My hope for this article is for you to be able to appreciate the beauty of JavaScript functions and closures. The story of Lexical scope, scope chain and closures… Once u...
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Apr 28, 2023 · 4 min read · In this article I shall be discussing about Execution Context in Javascript and talk about its phases. The execution context is very important to understand when it comes to understanding what goes on inside a program and the environment where the pr...
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Apr 27, 2023 · 3 min read · A lexical environment is a fundamental concept in programming that refers to the set of variables, functions, and objects that are available for use at a particular point in your code. Every time you run a piece of code, a new lexical environment is ...
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Nov 3, 2022 · 2 min read · Whenever a javascript code begins it's execution a global execution context is set up first in the call stack(call stack in simple words is a stack of functions that has to be executed the first function that enters the stack will be completed at the...
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