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1. javascript.info › promise-basicsPromise - The Modern JavaScript Tutorial

   javascript.info › promise-basics

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   Jun 23, 2024 · A promise is a special JavaScript object that links the “producing code” and the “consuming code” together. In terms of our analogy: this is the “subscription list”.

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     Promise Callback; Promise memungkinkan kita melakukan...

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     Promises Callbacks; Le promise ci permettono di fare le cose...

2. Videos

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     JavaScript Promises In 10 Minutes

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     JavaScript Promises -- Tutorial for Beginners

     4 Oct 2022

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     12:37

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     What are JavaScript PROMISES? 🤞

     21 Dec 2023

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3. learnjavascript.online › topics › promisesPromises tutorial - Learn JavaScript

   learnjavascript.online › topics › promises

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   Apr 9, 2024 · So, what are promises in JavaScript? A promise is an object that represents the eventual completion or failure of an asynchronous operation. You create that object with the new Promise() constructor.

4. www.w3schools.com › Js › js_promiseJavaScript Promises - W3Schools

   www.w3schools.com › Js › js_promise

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   Here is how to use a Promise: myPromise.then(. function(value) { /* code if successful */ }, function(error) { /* code if some error */ } ); 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.

5. www.freecodecamp.org › news › guide-to-javascriptHow Promises Work in JavaScript – A Comprehensive Beginner's ...

   www.freecodecamp.org › news › guide-to-javascript

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   Jun 13, 2023 · This article is an in-depth guide to promises in JavaScript. You are going to learn why JavaScript has promises, what a promise is, and how to work with it. You are also going to learn how to use async/await—a feature derived from promises—and what a job queue is. Here are the topics we will cover: Why should you care about promises?

6. www.learn-js.org › en › PromisesPromises - Learn JavaScript - Free Interactive JavaScript ...

   www.learn-js.org › en › Promises

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   A Promise is a native JavaScript object which has two traits: 1. It receives a single argument which is a function. This function needs to have two arguments, a resolve function and a reject function.

7. www.freecodecamp.org › news › javascript-promiseHow JavaScript Promises Work – Tutorial for Beginners

   www.freecodecamp.org › news › javascript-promise

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   Nov 29, 2023 · The Promise.all() Method. The Promise.allSettled() Method. The Promise.any() Method. The Promise.race() Method. Conclusion. How a Promise Works. Basically, a Promise object represents a “pending state” in the most common sense: the promise will eventually be fulfilled at a later date.

8. People also ask

   What are promises in JavaScript?

   • There are a few asynchronous features in JavaScript, and one of them is Promises. To work with promises, you must adopt a special syntax that makes writing async instructions a lot more organized. Working with promises is a very useful skill every JavaScript developer should learn. This article is an in-depth guide to promises in JavaScript.

   How Promises Work in JavaScript – A Comprehensive Beginner's Guide

   www.freecodecamp.org/news/guide-to-javascript-promises/

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   What is a promise in Java?

   • A promise is an object that represents the eventual completion or failure of an asynchronous operation. You create that object with the new Promise () constructor. A promise lets us handle the eventual success or failure of an asynchronous operation with the .then () and .catch () callback methods respectively.

   Promises tutorial - Learn JavaScript

   learnjavascript.online/topics/promises.html

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   How do you return a promise in JavaScript?

   • Write a function which receives a string, and returns a Promise. The promise should resolve with the uppercase version of the string, but should reject if the string is null. learn-js.org is a free interactive JavaScript tutorial for people who want to learn JavaScript, fast.

   Promises - Learn JavaScript - Free Interactive JavaScript Tutorial

   www.learn-js.org/en/Promises

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   How to create a new promise object in Java?

   • When creating a new Promise object, we need to pass a callback function that will be called immediately with two arguments: the resolve() and reject() functions. Depending on the result of the Promise, either the resolve() or the reject() function will be called to end the pending state.

   How JavaScript Promises Work – Tutorial for Beginners

   www.freecodecamp.org/news/javascript-promise-object-explained/

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   What is a promise pattern in JavaScript?

   • Using the promise pattern, you can call your functions sequentially by placing the next process inside the then() or catch() methods. The promise pattern was created to replace the use of callbacks in certain situations. By using promises, the code we write is more intuitive and maintainable.

   How JavaScript Promises Work – Tutorial for Beginners

   www.freecodecamp.org/news/javascript-promise-object-explained/

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   How to create a promise-based alternative?

   • Create a promise-based alternative. The function delay(ms) should return a promise. That promise should resolve after ms milliseconds, so that we can add .then to it, like this: Rewrite the showCircle function in the solution of the task Animated circle with callback so that it returns a promise instead of accepting a callback. The new usage:

   Promise - The Modern JavaScript Tutorial

   javascript.info/promise-basics

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9. developer.mozilla.org › en-US › docsUsing promises - JavaScript | MDN - MDN Web Docs

   developer.mozilla.org › en-US › docs

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   Oct 7, 2024 · 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 consumption of returned promises before explaining how to create them.