Why Promise Runs Before setTimeout? JavaScript Event Loop

“This line runs last… even though it’s written first. Why?” 🤯

In this video, you’ll finally understand how JavaScript actually executes code using the Event Loop.

We break down:
- Call Stack
- Web APIs
- Microtask Queue (Promises)
- Task Queue (setTimeout)

And most importantly…

👉 Why the output is:
A → C → B
NOT A → B → C ❌

If you’ve ever been confused about async JavaScript, this will clear it up in under a minute.

Perfect for:
- JavaScript beginners
- Interview preparation
- Developers struggling with async behavior

💡 Master this and you’ll understand 80% of how JS works behind the scenes.

Follow for more simple JavaScript explanations 🚀

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Видео Why Promise Runs Before setTimeout? JavaScript Event Loop канала CodeBreak Dev