JavaScript Programmer Calgary

I am trying to use promise to send an ajax request to a php script which checks if a file exist on … Read more Promise Returning Undefined

This question might be a little vague, but I'll try my best to explain. I'm trying to creat… Read more How To Sequentially Handle Asynchronous Results From Api?

If either Promise.all or Promise.race are called with a non-empty array, they return a pending prom… Read more Promise.all([]) Returns A Resolved Promise, But Promise.race([]) Returns A Pending Promise. Why Are They Different?

How can I change things around in my db connection call so that I can do db.collection(): // Create… Read more How To Reuse A Mongo Connection With Promises

It's possible this should be on code review, but here we go! I have a fairly large application … Read more Wrapping Jquery $.ajax Behind A Facade In Q.js Without Refactoring

Consider this block of code: getUser(userId) .catch(function(error){ crashreporter.… Read more Javascript Promise Pattern - Differentiate Error

My code: Callbacks: const first = () => { console.log('first'); }; const second = (cal… Read more Changing My Callbacks, Promise To Async Await

I need to iterate an array (or a simple for loop) to run Ajax request to a server. The problem is, … Read more Javascript - Iterate An Array And Call Jquery Ajax Requests And Wait For A Request Finished Before Moving To Next Request?