JavaScript Event Loop | setTimeout & setInterval Explained | JavaScript Tutorial #24

Опубликовано: 25 Июнь 2026
на канале: Heavy Coding

JavaScript Event Loop | setTimeout & setInterval Explained | JavaScript Tutorial #24

Source Code (With Topics): https://github.com/HeavyCoding/javasc...
⚠️ Note: Read the Readme File inside Github!

🚀 In this video, we will look under the hood of the JavaScript Runtime Environment to understand how setTimeout and setInterval interact with the Event Loop. We will crack the biggest mystery of JS: How a single-threaded language handles asynchronous timers without blocking the main execution. Get ready to master Call Stack, Web APIs, Callback Queue, and the Event Loop with visual animations.

📌 Topics Covered in This Video:
✔️ How JavaScript executes Asynchronous Timers behind the scenes
✔️ The Role of Web APIs in handling setTimeout and setInterval
✔️ What is the Callback Queue / Task Queue?
✔️ What is the Event Loop & how does it monitor the Call Stack?
✔️ Step-by-step visual execution of a setTimeout function
✔️ The famous interview question: Why does setTimeout with 0ms delay wait?
✔️ How the Event Loop prevents the browser UI from freezing
✔️ Understanding the difference between synchronous delay vs asynchronous timers

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