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.

While JavaScript itself is single-threaded, many JavaScript functions have supported asynchronous processing through callbacks (the variations on the jQuery AJAX function are just the most obvious ...

Promises These are associated with introducing a kind of concurrency or parallelism (or a combination of the two) into the single-threaded JavaScript language. "JavaScript is single threaded, meaning ...

At the heart of JavaScript’s asynchronous connection-handling are “promises,” which provide a new way of scheduling how your code will work with JavaScript APIs and functions.

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 ...