JavaScript Visualized: Understanding the Event Loop, Web APIs, and Task Queues

Learn how the browser event loop, task queue, microtask queue, and Web APIs work together to enable non-blocking, asynchronous JavaScript.

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Timestamps:
0:00 Intro
0:32 Call Stack
1:18 Single-threaded Problem
2:01 Web APIs
2:47 Callback-based APIs
4:04 Task Queue
4:39 setTimeout
6:22 Microtask Queue
8:40 Promisifying Callbacks
8:57 Challenge
10:52 Recap
11:58 Outro