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AKAshish Kumar Sainiblog.ashishkumarsaini.devMar 14 · 12 min read

JS Internals: Understanding JavaScript Global & Local Execution Context

Let’s first look at a real-world scenario before jumping into JavaScript. Imagine a wooden furniture factory that manufactures different types of furniture. To better understand the process, let’s see

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PKPallab Karmakarblog.pallabdev.inFeb 23 · 5 min read

JavaScript Internal: How JavaScript works.

In today's article, we are going to discuss how JavaScript works internally. Before starting today's discussion, follow this blog for proper understanding How a browser works Introduction We all kno

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MSMd Shahilshahil-js-gec.hashnode.devOct 14, 2025 · 4 min read

The First Step in JS Execution: Understanding the Global Context

If you ever think about how JavaScript executes code behind the scenes.. then this blog is the last blog you have to read for you lifetime understanding… let’s deep dive into it. Do you know how this code is executed and what the output of it? // a ...

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SSshouvik sarkarshouvikjs.hashnode.devJul 3, 2025 · 7 min read

How functions are executed in JS

Hey JS champions, welcome back! I hope you've already gone through Part 1 of How JS Actually Works. If you have, awesome! Let’s dive deeper into functions. We're going to explore how JavaScript treats different kinds of functions, and how their behav...

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SSshouvik sarkarshouvikjs.hashnode.devJun 30, 2025 · 11 min read

How JS actually works (Part-1)

Hey there JS champions, I know you have written hundreds or may be thousands of lines of codes. But have you ever thought that how these lines of codes are actually being executed? When you write: var a = 20; console.log(a); // output: 20 or console...

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Mmisbamishba.hashnode.devOct 15, 2024 · 3 min read

Have you ever wondered how JavaScript executes code?

javascript executes code by creating and managing Execution contexts There are two types of Execution Contexts Global Execution contexts Function Execution contexts Global Execution Contexts In JavaScript, a global execution context is created wh...

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APAyush Paruiayushparui.hashnode.devAug 11, 2023 · 3 min read

Unraveling the Mysteries of JavaScript Global Execution: A Whirlwind Adventure!

Get ready for an exhilarating journey into the heart of JavaScript's realm, where code comes to life and global execution takes center stage! In this immersive article, we're embarking on an epic quest to demystify the enigmatic concept of the global...

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DSDipta Sahadipta.hashnode.devJul 9, 2023 · 6 min read

JavaScript Code কিভাবে Execute হয়?

নিচের কোডটির মাধ্যমে চলুন দেখা যাক Browser এর মধ্যে Javascript কোড কিভাবে কাজ করে। যখন JS code run করা শুরু হয়, তখন Global Execution Context তৈরি হয়। এই Global Execution Context JavaScript এর Global Scope কে Represent করে। Global Execution Context স...

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ATAnkur Tripathiankurtripathi.hashnode.devApr 30, 2023 · 5 min read

Execution Context in JavaScript

How JavaScript code is executed?? Have you ever wondered how JavaScript works behind the scene? Let’s understand how JavaScript execution works What is Execution Context? When we run any JavaScript, a special environment is created to handle the tran...

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ARAkash Rajakashwrites.comApr 20, 2023 · 6 min read

What is an Execution Context in JavaScript

You might have heard about hoisting, scope, scope chain, and lexical scope. These are often confusing for beginners or even for some experience developers and these are very important as they create a base for your JavaScript journey. If you don't wa...

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Trending tags this week

JS Internals: Understanding JavaScript Global & Local Execution Context

JavaScript Internal: How JavaScript works.

The First Step in JS Execution: Understanding the Global Context

How functions are executed in JS

How JS actually works (Part-1)

Have you ever wondered how JavaScript executes code?

Unraveling the Mysteries of JavaScript Global Execution: A Whirlwind Adventure!

JavaScript Code কিভাবে Execute হয়?

Execution Context in JavaScript

What is an Execution Context in JavaScript