https://stackoverflow.com › questions › 29516390
javascript - How can I access the value of a promise? - Stack OverflowReturn a value → PromiseB is resolved immediately, and the value is passed to the success handler of promiseB. Return a promise → When resolved, promiseB will be resolved. When rejected, promiseB will be rejected. The value passed to the promiseB's then handler will be the result of the promise.
https://dev.to › ramonak › javascript-how-to-access-the-return-value-of-a-promise-object-1bck
Javascript: How to access the return value of a Promise objectLearn how to use the then () method or async / await syntax to get the result of a Promise object from a Fetch API or a custom load function. See examples, explanations and comments from other developers.
https://stackoverflow.com › questions › 36911241
javascript - How to extract data out of a Promise - Stack OverflowWhile you can get a value from an awaited Promise inside an async function (simply because it pauses the function to await a result), you can't ever get a value directly "out" of a Promise and back into the same scope as the code that created the Promise itself.
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.
https://bobbyhadz.com › blog › javascript-access-value-of-promise
How to access the Value of a Promise in JavaScript | bobbyhadzUse the Promise.then() method to access the value of a promise. The then() method takes a function, which gets passed the resolved value of the promise as a parameter. index.js. // 👇️ Example promise const p = Promise.resolve('bobbyhadz.com');
https://developer.mozilla.org › fr › docs › Web › JavaScript › Guide › Using_promises
Utiliser les promesses - JavaScript | MDN - MDN Web DocsPromise.resolve() et Promise.reject() sont des méthodes qui permettent de créer des promesses déjà tenues ou rompues. Promise.all() et Promise.race() sont deux outils de composition qui permettent de mener des opérations asynchrones en parallèle.
https://developer.mozilla.org › fr › docs › Web › JavaScript › Reference › Global_Objects › Promise
Promise - JavaScript | MDN - MDN Web DocsLes méthodes promise.then(), promise.catch(), et promise.finally() sont utilisées pour associer une action ultérieure à une promesse lorsque celle-ci devient acquittée.
https://javascript.info › promise-api
Promise API - The Modern JavaScript TutorialThe syntax is: let promise = Promise.all(iterable); Promise.all takes an iterable (usually, an array of promises) and returns a new promise. The new promise resolves when all listed promises are resolved, and the array of their results becomes its result.
https://fr.javascript.info › promise-basics
Promesse (promise) - JavaScriptUne promesse (promise) est un objet spécial en JavaScript qui lie le “producteur de code” et le “consommateur de code” ensemble. En comparant à notre analogie c’est la “liste d’abonnement”.
https://www.w3schools.com › Js › js_promise.asp
JavaScript Promises - W3SchoolsHere 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.
