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Jul 25, 2024 · The Promise.resolve() static method "resolves" a given value to a Promise. If the value is a promise, that promise is returned; if the value is a thenable, Promise.resolve() will call the then() method with two callbacks it prepared; otherwise the returned promise will be fulfilled with the value.
Oct 7, 2024 · The promise constructor takes an executor function that lets us resolve or reject a promise manually. Since setTimeout() doesn't really fail, we left out reject in this case. For more information on how the executor function works, see the Promise() reference.
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.
The Promise.resolve() method returns a Promise object resolved with a value. Syntax. Promise.resolve (message) Parameters. Return Value. Promise Tutorial. catch () finally () then () Browser Support. Promise.Resolve() is an ECMAScript6 (ES6) feature. ES6 (JavaScript 2015) is supported in all modern browsers since June 2017:
Oct 9, 2024 · The Promise.resolve () method in JavaScript returns a Promise object that is resolved with a given value. If the value is a promise, it returns that promise; otherwise, it resolves the value as a new promise, making it useful for simplifying asynchronous code handling.
Dec 15, 2020 · The Promise.resolve/reject methods. Promise.resolve(value) – It resolves a promise with the value passed to it. It is the same as the following: let promise = new Promise (resolve => resolve(value)); Promise.reject(error) – It rejects a promise with the error passed to it. It is the same as the following:
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Jan 22, 2020 · The Promise.resolve() function is the most concise way to create a fulfilled promise that contains the given value. For example, suppose you wanted to create a promise that is fulfilled with the string 'Hello, World': const p = Promise.resolve('Hello, World'); const str = await p;