---
title: "Discussion on \"Part 4: Where JavaScript Actually Runs\" | Hashnode"
description: "Discussion on \"Part 4: Where JavaScript Actually Runs\". V8 is not a separate program — it's a library Chrome calls. The CPU never executes JavaScript text. Here's what actually runs when your code runs."
url: "https://hashnode.com/posts/event-loop-where-javascript-actually-runs/6a330d4aea1e89894c5c934e"
---

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# [Part 4: Where JavaScript Actually Runs](https://srekaravarshan.hashnode.dev/event-loop-where-javascript-actually-runs?utm_source=hashnode&utm_medium=feed)

V8 is not a separate program — it's a library Chrome calls. The CPU never executes JavaScript text. Here's what actually runs when your code runs.

Jun 17 · 29 min read · srekaravarshan.hashnode.dev  
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-   [#javascript](https://hashnode.com/tag/javascript)
-   [#v8](https://hashnode.com/tag/v8)
-   [#browser-internals](https://hashnode.com/tag/browser-internals)
-   [#event-loop](https://hashnode.com/tag/event-loop)

## Written by

[Srekaravarshan N K](https://hashnode.com/@srekaravarshan)

@srekaravarshan

  
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