I recently encountered this question on Stack Overflow, asking about how the then method really works in JavaScript. The responder, Trincot, made the following comment: The host will check which job queues have entries, giving precedence to job queues with…
Let's suppose I have 5 promises (A,B,C,D,E) that I want to fire in parallel. Then I need to wait for any of (A,B) AND any of (C,D) AND E before executing a code. My actual approach was something like: let…
I am using mongoose to create a new member entry in DB after checking if member is already present in DB or not. If member already present, I need to return a response otherwise proceed to insert new. Below is…
I was reading about nested promises and encountered this coding challenge in the tutorials. Can someone explain the execution order of this code? new Promise((resolve) => { new Promise((res) => { console.log("c"); resolve(3); res(2); }).then((response) => console.log(response)) }).then((res) => console.log(res));…
I have a unique issue. Let's say I have this code, which runs anonymously in a code block called a "Data Element" (Adobe Launch lingo). The code is assigned the name of the data element's name so it can be…
So I was reading the article on MDN about Promises and got stuck here: Unlike Promise.resolve(), Promise.reject() always wraps reason in a new Promise object, even when reason is already a Promise. I'm just trying to understand what difference it…
I have created pinia store as composition API (setup). I have loadWidgets async function which I want to await outside of store, and then get widgets property from store (after it's been populated). It seems like .then() doesn't do the…
I have two api calls in promise ,so i have used promise.all and it is working fine. Now i have one api call is enough to get the results but still i am using promise.all it is working fine. I…
I'd like to return a Promise on a spécific function that is not async. The result is undefined when I call the function. My code : async function _callAccessControl(response, rpaReservation) { if (rpaResource.access_control_identifier && !accessControlExist) { return soap.createClientAsync('https://ipevia.com/public/files/onvif/credential.wsdl', { endpoint:…
I have the following code let x = new Promise(function(resolve, reject) { setTimeout(() => resolve(1), 0); }) x.then((res) => new Promise(function(resolve, reject){ resolve(res*2); })) .then((res) => console.log(res)) x.then((res) => res*4) .then((res) => console.log(res)) console.log("Out") My doubt is, why does the…