I am learning JavaScript and just went over Promises. I tried to write a loop that looked similar to this: for (let i of someArray) { if (condition) { await returnsPromise(i) } } This code does not work, and I…
I know it is a repeated question but still i am writing my query Issue as Unexpected await inside a loop const createChartPanel = async (data) => { for (let a = 0.0; a < totalMacroFactorCount;) { let panel=[] //some…
I have a somedataMap : Map<string, Promise<SomeData>> that I would like to populate. I also have an async function async function getSomeData(someIdentifier:string): Promise<SomeData>, that I would like use as the values in that map Obviously if I do something like…
I'm stuck with a work-related task where I'm fetching data from the db and then send the data to an external api through post request. Right now I'm succesfully getting the data and processed it but the external api request…
I am trying to use something like this write a function in JavaScript that loops through an array of urls. Once a 'pingable' url is found the function should return its index number. function ping(url: string): Promise { return new…
Hello friends of logical thinking. The function ttupdate will be used to update DB time tables with DOM data... and at initiation=> The function initTimeTables will only be used during initiation, so that time table webpages will render (and eventlisteners…
I know this has been asked multiple times. And I've been through many of the answers. But no answer did work for me. Code was running and didn't wait for the callback / promise resolve etc. Or it was waiting…
Executing the code below randomly either prints "DONE" or not, why does it happen? How do I make it go to the console.log("DONE"); line every time. const {Worker, isMainThread, parentPort} = require('node:worker_threads'); async function main() { if (isMainThread) { const…
Here is my piece of Vanilla TS code that I am trying to understand: console.log("-------------------------- (LOG 1)"); setTimeout(() => console.log("-----------------------------(LOG 2)"), 1000); const fetchedData = fetch("https://pokeapi.co/api/v2/pokemon/ditto"); const fnReturningNewPromise = () => { return new Promise<string>((resolve, reject) => { if (1…
function getSmth(num) { return new Promise((resolve, reject) => { setTimeout(() => resolve(num * num), 500) }); } function func() { getSmth(2).then(res1 => { getSmth(3).then(res2 => { getSmth(4).then(res3 => { console.log(res1 + res2 + res3); }); }); }); } func(); function…