https://stackoverflow.com › questions › 28921127
asynchronous - How to wait for a JavaScript Promise to resolve before ...Another option is to use Promise.all to wait for an array of promises to resolve and then act on those.
https://bobbyhadz.com › blog › javascript-wait-promise-resolve-before-returning
Wait for a Promise to Resolve before Returning in JSYou can use the async/await syntax or call the .then() method on a promise to wait for it to resolve. Inside functions marked with the async keyword, you can use await to wait for the promises to resolve before continuing to the next line of the function.
https://www.delftstack.com › fr › howto › javascript › javascript-wait-for-promise-to-resolve
Attendez que les promesses soient résolues en JavaScriptLa promesse prend deux arguments, résoudre et rejeter. La méthode resolve() renvoie un objet de promesse qui est résolu avec une valeur. S’il y a une erreur lors de l’exécution d’une promesse, la méthode de rejet renverra une erreur. Les promesses utilisent les mots-clés async et wait.
https://developer.mozilla.org › en-US › docs › Web › JavaScript › Reference › Operators › await
await - JavaScript | MDN - MDN Web DocsThe await operator is used to wait for a Promise and get its fulfillment value. It can only be used inside an async function or at the top level of a module.
https://www.freecodecamp.org › news › javascript-promises-async-await-and-promise-methods
How to Use JavaScript Promises – Callbacks, Async/Await, and Promise ...So when we use the Promise.race method, it will wait until the first promise gets resolved or rejected and then: If the first promise in the promise chain gets resolved, the .then handler will be executed and the result will be the result of the first resolved promise.
https://javascript.info › async-await
Async/await - The Modern JavaScript TutorialThe keyword await makes JavaScript wait until that promise settles and returns its result. Here’s an example with a promise that resolves in 1 second: async function f() { let promise = new Promise((resolve, reject) => { setTimeout(() => resolve("done!"), 1000) }); let result = await promise; alert(result); // "done!" } f();
https://jestjs.io › docs › asynchronous
Testing Asynchronous Code · JestReturn a promise from your test, and Jest will wait for that promise to resolve. If the promise is rejected, the test will fail. For example, let's say that fetchData returns a promise that is supposed to resolve to the string 'peanut butter'. We could test it with: test('the data is peanut butter', () => { return fetchData().then(data => {
https://blog.javascripttoday.com › blog › async-await-in-javascript
Async/Await in JavaScript: Understanding and Implementing Asynchronous CodeThe async keyword is used to define a function as asynchronous, and the await keyword is used to wait for a Promise to resolve before continuing to execute the code. When you use the await keyword, the code inside the asynchronous function will be executed in a linear, synchronous-looking manner.
https://www.delftstack.com › howto › javascript › javascript-wait-for-promise-to-resolve
How to Wait for Promises to Get Resolved in JavaScriptPromises in JavaScript allow us to wait for such operations or tasks to complete their execution, and based on whether the task is fulfilled, we can take further actions. We must create a Promise class object using the new keyword to use promises. Promise takes two arguments, resolve and reject.
https://javascript.info › promise-chaining
Promises chaining - The Modern JavaScript TutorialThe promise resolves with a response object when the remote server responds with headers, but before the full response is downloaded. To read the full response, we should call the method response.text(): it returns a promise that resolves when the full text is downloaded from the remote server, with that text as a result.