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.

The concepts of synchronous and asynchronous are rooted in computing. Synchronous computing architectures are those that have tightly dependent “blocking” processes, meaning one process must ...

Synchronous file handling makes for simpler code, but asynchronous file handling offers more opportunity for platform-level optimization because it doesn’t block execution.

The WebAssembly JavaScript Promise Integration API suspends a Wasm application when it issues a synchronous API call and resumes it when the asynchronous I/O operation is completed. The developers ...