---
title: "Discussion on \"Understanding the Execution Context and Thread of Execution in JavaScript\" | Hashnode"
description: "Discussion on \"Understanding the Execution Context and Thread of Execution in JavaScript\". Before we begin to understand what an execution context is, let's think of it as an environment/ scope where the code is evaluated in.\nDeep Dive\nWhen we start the JavaScript program, we start in the global execution context. Some variables are declar..."
url: "https://hashnode.com/posts/understanding-the-execution-context-and-thread-of-execution-in-javascript/61f7f96100273a7c1776de4d"
---

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# [Understanding the Execution Context and Thread of Execution in JavaScript](https://sanskargoyal.hashnode.dev/understanding-the-execution-context-and-thread-of-execution-in-javascript?utm_source=hashnode&utm_medium=feed)

Before we begin to understand what an execution context is, let's think of it as an environment/ scope where the code is evaluated in. Deep Dive When we start the JavaScript program, we start in the global execution context. Some variables are declar...

Jan 31, 2022 · 3 min read · sanskargoyal.hashnode.dev  
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## Written by

[Sanskar Goyal](https://hashnode.com/@sanskar-goyal)

@sanskar-goyal · New Delhi, India

  
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Web Developer who loves podcasting

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