Why async/await Doesn’t Make JavaScript Code Parallel
Async/await feels like parallel code, but it isn’t. Here’s why JavaScript is still single-threaded and how async really works.
3 min read1
Async/await feels like parallel code, but it isn’t. Here’s why JavaScript is still single-threaded and how async really works.
If JavaScript is single-threaded, how can Promise.all handle multiple requests at the same time? A deep dive into the event loop and async I/O.
A practical and conceptual comparison of Promise.all, Promise.race, Promise.any, and Promise.allSettled.
Event loop explained with a clean SVG timeline showing the actual execution order: Start → End → Promise → Timeout.