Im pretty new to using the await keyword, I am used to the older "Promise" like commands used in Cypress. However one confusion I have is when a function returns a promise, but there is both an await keyword IN…
I am trying to learn what seems to be a simple async call within a useEffect in React. My code is as follows: useEffect(() => { async function fetchConstitution() { let response = await fetch(constitution_text); console.log(response.text()); return response } fetchConstitution()…
My React App pulls data from a Djano REST API through the api.js file below. api.js const URLS = { PRODUCTS: "http://127.0.0.1:8000/api/products/", PRODUCT: (id) => `http://127.0.0.1:8000/api/products/${id}`, }; const wrappedFetch = (...args) => { return fetch(...args).then((res) => { return res.json(); });…
When using QueueBackgroundWorkItem, is there any difference in the below two ways of calling a method that performs async operations like api calls? HostingEnvironment.QueueBackgroundWorkItem(async cancellationToken => { var result = await LongRunningMethodAsync(); }); Or the following: HostingEnvironment.QueueBackgroundWorkItem(cancellationToken => LongRunningMethodAsync()); I'm…
I want to get first response then second response and then third response in the console section but i can not achieve this. please help me to solve this problem. this is the outputI tried to solve my problem in…
I'm new to javascript and promises. I'm trying to get one function not to start running until the first function has completed. In this case, I want the "dontDoUntilDelayIsComplete" function to run AFTER the "delayGreet" function. function delayGreet() { setTimeout(greet,…
I am seeing an unexpected output when running some functions using async/await which I can't work out. The code looks like: const delayToRun = async() => { console.log('first delay'); let p = await new Promise((resolve, reject) => { setTimeout(() =>…
Why this async/await version of asynchronous program in JS doesn't give any output? async-await version: const https = require('https'); async function getDataFromServer() { try { const response = await https.get('https://jsonplaceholder.typicode.com/posts/1'); let data = ''; response.on('data', (chunk) => { data +=…
Function with async: export async function getPostData(id) { const fullPath = path.join(postsDirectory, `${id}.md`); const fileContents = fs.readFileSync(fullPath, 'utf8'); const matterResult = matter(fileContents); return { id, ...matterResult.data, }; } Function without async: export function getPostData(id) { const fullPath = path.join(postsDirectory, `${id}.md`);…
The problem is that when I make a POST call to /login, the const user gets assigned undefined even though getUser() always returns the same value. The call console.log(getUser()); at the end of the file works fine. I simplified and…