https://www.w3schools.com › jsref › jsref_promise_then.asp
JavaScript Promise then() Method - W3SchoolsThe then() method provides two callbacks: One funtion to run when a promise is fulfilled and one funtion to run when a promise is rejected.
La méthode then() renvoie un nouvel objet Promise, ce qui permet d'enchaîner les appels aux méthodes des promesses. Si la fonction passée à then() comme gestionnaire renvoie un objet Promise, une promesse équivalente sera exposée à l'appel à then() qui suit.
https://developer.mozilla.org › ... › Web › JavaScript › Reference › Global_Objects › Promise › then
Promise.prototype.then() - JavaScript | MDN - MDN Web DocsThe 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 on and immediately returns another Promise object, allowing you to chain calls to other promise methods.
https://stackoverflow.com › questions › 3884281
What does the function then () mean in JavaScript?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. The promise allows you to call a method called "then" that lets you specify the function(s) to use as the callbacks.
https://masteringjs.io › tutorials › fundamentals › then
The Promise then() Function in JavaScript - Mastering JSThe `then()` function is the primary way you interact with promises in JavaScript, including promise chaining.
https://developer.mozilla.org › fr › docs › Web › JavaScript › Guide › Using_promises
Utiliser les promesses - JavaScript | MDN - MDN Web DocsLa méthode then () renvoie une nouvelle promesse, différente de la première : js. const promise = faireQqc (); const promise2 = promise.then (successCallback, failureCallback); ou encore : js. const promise2 = faireQqc ().then (successCallback, failureCallback);
https://www.w3schools.com › Js › js_promise.asp
JavaScript Promises - W3SchoolsPromise.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. Example.
https://fr.javascript.info › promise-chaining
Chaînage des promesses - JavaScriptUn gestionnaire, utilisé dans .then(handler) peut créer et renvoyer une promesse. Dans ce cas, les autres gestionnaires attendent que le problème soit réglé, puis le résultat est obtenu. Par exemple:
https://web.dev › articles › promises
JavaScript Promises: an introduction | Articles - web.devArticles. JavaScript Promises: an introduction. bookmark_border. Promises simplify deferred and asynchronous computations. A promise represents an operation that hasn't completed yet. Jake Archibald. Developers, prepare yourself for a pivotal moment in the history of web development. [Drumroll begins] Promises have arrived in JavaScript!
The then() method returns a Promise. It takes up to two arguments: callback functions for the success and failure cases of the Promise. If one or both arguments are omitted, or are provided non-functions, then then will be missing the handler (s), but will not generate any errors.
