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 ...

Asynchronous programming is essential to modern JavaScript ... with promises, providing structured methods ("then," "catch," "finally") to control the asynchronous flow and handle errors—thereby ...

Callbacks were the only natively supported way to deal with async code in JavaScript until 2016, when the Promise object ... and the code execution flow continues on while the timeouts are waiting ...