5 min To Understand Event Loop in Javascript

What is an event loop and how it works under the hood?

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Multi-threaded

Single-Thread

Heap

Call Stack

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Event Queue / Callback Queue

Web API

Event Loop

bar() { setTimeout(() => console.log('Second'))}
foo() {}

Conclusion

Simplicity is the soul of efficiency. Fullstack software engineer. Degree in Computer Science. Traveling, gymming, and reading enthusiast.