Learn how to use the Promise.reject () method to create a rejected Promise object with a given reason. See examples, syntax, parameters, and browser compatibility for this method.
La méthode Promise.reject (raison) renvoie un objet Promise qui est rejeté (la promesse n'est pas tenue) à cause d'une raison donnée.
https://developer.mozilla.org › fr › docs › Web › JavaScript › Reference › Global_Objects › Promise
Promise - JavaScript | MDN - MDN Web DocsL'objet Promise permet de réaliser des traitements asynchrones en JavaScript. Découvrez comment créer, utiliser et enchaîner des promesses avec les méthodes then, catch et finally.
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https://www.freecodecamp.org › news › javascript-promise-tutorial-how-to-resolve-or-reject...
JavaScript Promise Tutorial – How to Resolve or Reject Promises in JSLearn how to use promises to handle asynchronous operations in JavaScript. Understand the concept of promise states, resolution and rejection, and how to avoid callback hell with examples.
https://ourcodeworld.com › articles › read › 317 › how-to-check-if-a-javascript-promise-has...
How to check if a Javascript promise has been fulfilled, rejected or ...A promise represents the eventual result of an asynchronous operation. The primary way of interacting with a promise is through its then method, which registers callbacks to receive either a promise’s eventual value or the reason why the promise cannot be fulfilled. In some cases, you may want to check the status of the promise.
https://www.w3schools.com › jsref › jsref_promise_reject.asp
JavaScript Promise.reject() Method - W3SchoolsLearn how to use the Promise.reject() method to create a rejected Promise object with a value. See the syntax, parameters, return value, description and browser support of this ES6 feature.
https://stackoverflow.com › questions › 53299500
javascript - When Promise state become rejected or resolved - Stack ...The code you posted seems to work correctly both on Chrome and Firefox - the Promise was rejected as expected. reject function marks the Promise as rejected - you can then react upon that rejection either by passing a callback function into a second argument of then or by using the catch method. Both approaches are correct.
https://www.w3schools.com › Js › js_promise.asp
JavaScript Promises - W3SchoolsPromise Object Properties. A JavaScript Promise object can be: Pending; Fulfilled; Rejected; The Promise object supports two properties: state and result. While a Promise object is "pending" (working), the result is undefined. When a Promise object is "fulfilled", the result is a value. When a Promise object is "rejected", the result is an ...
https://masteringjs.io › tutorials › fundamentals › promise-reject
Reject a Promise in JavaScript - Mastering JSLearn how to create a rejected promise with Promise.reject() or the Promise constructor, and how to handle the error with .catch(). See examples of rejecting a promise with an error or a non-error value.
https://www.freecodecamp.org › news › javascript-es6-promises-for-beginners-resolve-reject...
JavaScript Promise Tutorial: Resolve, Reject, and Chaining in JS and ES6Learn how to use Promises in JavaScript to handle asynchronous operations. Promises can be resolved or rejected, and chained with then and catch methods.
