Day 27: How Your Async Code Works | JavaScript Event Loop Simplified! 🤩

Published: 22 May 2025
on channel: tapaScript by Tapas Adhikary
2,873
179

Confused about how JavaScript handles asynchronous code? 🤯
In this video, we break down the JavaScript Event Loop like never before!

🧪 Live visual examples and real-world analogies are included to make it fun and intuitive!

Whether you’re a beginner or brushing up for an interview, this video will clarify the core mechanics of JavaScript’s concurrency model.

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✅ You’ll learn:
What is the Call Stack and how it works 🧠
The role of Web APIs, Callback Queue, and Microtask Queue
How setTimeout, Promises and async/await are managed
What makes JavaScript single-threaded but non-blocking
Why understanding the Event Loop is critical for mastering async code

Let's GO 🚀. Do not miss it out.

💻 Perfect for:
Beginners & intermediate developers learning JavaScript async behaviour and debugging skills.

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✅ Start 40 Days of JavaScript

   • Day 01: Introduction to JavaScript & Setti...  

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Source Code on GitHub
https://github.com/tapascript/40-days... (Please give the repo a STAR).

Timecodes
0:00 - The Chef’s Story
03:03 - Functions and Call Stack
08:21 - Async Code
10:09 - Event Loop
14:40 - Callback Queue
25:32 - Job Queue
42:40 - Tasks and What’s Next?

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About Me:
Tapas Adhikary is an Educator at tapaScript, a Tech enthusiast, Writer, YouTuber, and maintainer/contributor of open-source projects. He is a full-stack developer with vast experience building SaaS solutions. He is the founder of the ReactPlay platform, which is driven by open-source projects and a fast-growing community.

You can find more about him at https://tapasadhikary.com.

#javascript #eventloop #learnjavascript


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