Asynchronous programming in JavaScript leverages features like callbacks, promises and async/await to sidestep this issue by allowing other code to run in the meantime. Synchronous Vs ...

In this example, we are using callback-style async. Generally, it’s preferred to use an asynchronous approach when updating files; this avoids blocking the event loop in the two steps of reading ...

The alternative, gaining in popularity, is event-driven, asynchronous callbacks. In an event model, everything runs in one thread. However, each request does not have its own thread. Rather, each ...