We anticipate there will be other proposals.” Promises in JavaScript provide for asynchronous connection-handling, for scheduling of how code works with JavaScript APIs and functions.

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.

An update to tiny "is-promise" library impacted millions of JavaScript projects. Written by Catalin Cimpanu, Contributor April 26, 2020 at 8:19 a.m. PT techrepublic cheat sheet ...