Promise.prototype.then () - JavaScript | MDN - MDN Web Docs
Jul 15, 2025 · The then() method of Promise instances takes up to two arguments: callback functions for the fulfilled and rejected cases of the Promise. It stores the callbacks within the promise it is called …
JavaScript Promise then () Method - W3Schools
Description The then() method provides two callbacks: One funtion to run when a promise is fulfilled and one funtion to run when a promise is rejected.
What does the function then() mean in JavaScript? - Stack Overflow
Oct 8, 2010 · then () function is related to "Javascript promises" that are used in some libraries or frameworks like jQuery or AngularJS. A promise is a pattern for handling asynchronous operations.
Why we use then() method in JavaScript ? - GeeksforGeeks
Jul 15, 2025 · The then () method in JavaScript is used with promises to handle asynchronous operations. It accepts two callback functions: one for handling a promise's resolved value and one for …
The .then () Method: Your Guide to Asynchronous JavaScript
Sep 3, 2024 · The .then() method is a fundamental part of JavaScript's promise API. It helps you manage asynchronous operations gracefully, making your code cleaner, more organized, and more …
Leveraging .then () in Modern JavaScript, by John Kavanagh
The .then() method is a fundamental part of the Promise prototype in JavaScript. It provides a way to handle the eventual completion (or failure) of asynchronous operations, whilst offering a cleaner, …
The Promise then() Function in JavaScript - Mastering JS
Sep 11, 2019 · The `then ()` function is the primary way you interact with promises in JavaScript, including promise chaining.
JavaScript Promise then () Method: Handling Fulfillment
Feb 6, 2025 · A comprehensive guide to the JavaScript Promise then () method, covering how to handle successful promise resolutions with examples and best practices.
JavaScript Demo: Promise.then () - Mozilla
// Expected output: "Success!"
JavaScript Promises - W3Schools
then () takes two arguments, one callback function for success and another for failure. Both are optional, so you can add a callback function for success or failure only.