Promises,: Promises

: They help developers avoid " callback hell "—a messy situation where multiple functions are nested inside each other, making code hard to read and debug. 2. The Theological Guide: Biblical Promises

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

.catch() : Used for error handling if the promise is rejected. : They help developers avoid " callback hell

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

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