Callbacks were the only natively supported way to deal with async code in JavaScript until 2016, when the Promise object was introduced to the language. However, JavaScript developers had been ...

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 programming ...

Developers use JavaScript promises to model asynchronous operations in web and server-side programs. Here's a quick look at five ways to use promises in your code. Promises are a central mechanism ...