JS Eventloop & Concurrency Model

Short summary

A beginner's guide to JavaScript's event loop and concurrency model, explaining how a single-threaded language handles asynchronous operations. It covers the call stack, Web/Node APIs, callback queues, microtask queues, and the event loop with simple diagrams and code examples. The tutorial compares setTimeout versus Promises and explains cooperative concurrency versus parallelism.

• •Explains JavaScript's single-threaded concurrency model using the event loop
• •Covers call stack, Web APIs, macrotask queue, microtask queue, and event loop
• •Compares setTimeout vs Promises execution order with code examples

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