
Promise - JavaScript | MDN - MDN Web Docs
Sep 18, 2025 · To learn about the way promises work and how you can use them, we advise you to read Using promises first. A Promise is a proxy for a value not necessarily known when the promise is …
JavaScript Promises - W3Schools
Here is how to use a Promise: Promise.then () takes two arguments, a callback for success and another for failure. Both are optional, so you can add a callback for success or failure only. To demonstrate …
PROMISE Definition & Meaning - Merriam-Webster
The meaning of PROMISE is a declaration that one will do or refrain from doing something specified. How to use promise in a sentence.
PROMISE Definition & Meaning | Dictionary.com
PROMISE definition: a declaration that something will or will not be done, given, etc., by one. See examples of promise used in a sentence.
JavaScript Promise - GeeksforGeeks
Jul 11, 2025 · JavaScript Promises make handling asynchronous operations like API calls, file loading, or time delays easier. Think of a Promise as a placeholder for a value that will be available in the future.
PROMISE | English meaning - Cambridge Dictionary
PROMISE definition: 1. to tell someone that you will certainly do something: 2. If something promises to be good…. Learn more.
PROMISE definition and meaning | Collins English Dictionary
A promise is a statement which you make to a person in which you say that you will definitely do something or give them something. If you make a promise, you should keep it. The program has …
Promises - definition of promises by The Free Dictionary
These verbs mean to declare solemnly that one will follow a particular course of action: promises to write soon; pledged to uphold the law; swore to get revenge; vowed to fight to the finish.
How to use promises - Learn web development | MDN - MDN Web Docs
Oct 20, 2025 · Promises are the foundation of asynchronous programming in modern JavaScript. They make it easier to express and reason about sequences of asynchronous operations without deeply …
Using promises - JavaScript | MDN
Jul 15, 2025 · A Promise is an object representing the eventual completion or failure of an asynchronous operation. Since most people are consumers of already-created promises, this guide will explain …