I have an array of functions such as: let funcs = [] funcs.push(() => {window.x = fetch()}) funcs.push(() => {console.log(window.x)}) funcs.push(() => {console.log("Hello, world!")}) I would like the functions to be evoked one after the other, as in: for (let…
I have a list of posts that I am mapping through and want to get the associated author data and avatar photo url, for each post. I have functions that make api calls and return this information, when called on…
I have this code to get some data from an API: const data = async () => { const apiResponse = await dataFromAPI(); return apiResponse; } The apiResponse will always be the same for a session where this code is…
I try rewrite it to Promise only style, but i got an empty result. How it's right way for rewrite it only use a Promise, without async/await async getWishes() { const wishes = await this.app.wishesService.getAllWishes() for (const wish of wishes)…
In one of my projects, I want to execute 2 queries in parallel with pg-promise. I have these queries wrapped inside the transaction as added below. I am also using Promise.all() to make database calls in paralllel. I want to…
I'm trying to work with data sent from postman, array of objects. I need to write all data into database, so I use mapping of array, and get undefined const providers = await req.body.providers.map((provider) => { ProviderService.createProvider(provider.name, container._id); }); Promise.all(providers).then((value)…
I'm trying to build input to upload multiple files and get response from server to update a UI. I built something like this using jQuery: function UploadFile(file) { return new Promise((resolve) => { $.ajax({ url: "/api/admin/upload", type: "POST", data: file,…
I'm starting in the world of promises and there is one thing I can't understand. I am trying to make a system that returns a document from a Firebase collection by its ID. For this I use 2 functions const…
Let's say I have a global key-value pair and operations on it returns a promise(actually I am using Redis), and it stores the value of coins left. Route /path decrements the coins with the number in the request if the…
I try to create web app with react,redux and node where i can create and edit profile data , I have one function control both situation so when i create it work fine but when i edit it give me…