: 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
.catch() : Used for error handling if the promise is rejected.
.finally() : Executes code regardless of whether the promise was fulfilled or rejected. Promises, Promises
: The initial state; the operation has not finished yet.
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 : : They help developers avoid " callback hell
: The operation failed, usually with an error message. Key Methods for Handling Results :
.then() : Used to schedule what happens when the promise is successfully fulfilled. Three States of a Promise : : The
: The operation completed successfully, and you now have a value.