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, in which communication happens in real time; asynchronous, in which communication happens independent of time; and hybrid, which supports both. Often, hybrid microservices architecture is ...

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.

Asynchronous doesn’t mean absent. Online videos can help supplement a teacher’s synchronous lesson and vary what students are experiencing throughout the day.