Promises, — Promises

: The operation completed successfully, and you now have a value.

In programming, a is an object representing the eventual completion (or failure) of an asynchronous operation and its resulting value. Three States of a Promise : Promises, Promises

: The initial state; the operation has not finished yet. : The operation completed successfully, and you now

.then() : Used to schedule what happens when the promise is successfully fulfilled. : The operation completed successfully

: The operation failed, usually with an error message. Key Methods for Handling Results :