JavaScript runs in a single-threaded environment with an event loop, an architecture that is very easy to reason about. It’s a continuous loop executing incoming work. Said work can schedule more of it for the future.
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Practical Guide To Not Blocking The Event Loop
JavaScript runs in a single-threaded environment with an event loop, an architecture that is very easy to reason about. It’s a continuous loop executing incoming work. Said work can schedule more of it for the future.
Full article