JavaScript Sample

I'm trying to implement the following in TypeScript: https://stackoverflow.com/a/15094263/16623… Read more Arguments In Whenalldone Promise/deferred Javascript Helper Not Working When I Wrap Existing Code Into A Deferred

I am trying to call an external resource from the web and load the results into Dialogflow using th… Read more Http Request To An External Api In Firebase Cloud Functions (spark Tier) Refused

Say I have a function that returns a resolved promise like this: let a = () => {return new Promi… Read more Js Promises: If A Handler In A `then` Block Returns A Value Vs Returning A Resolved Promise, Does The `then` Block Handle It The Same Way?

In a simple JS program, I need to have asyncOperation2 and asyncOperation3 execute sequentially alo… Read more Node Async/await With Promise.all

Background I am using Promises, and I have a multitude of functions that may or may not return a Pr… Read more How Can I Use Promises To Catch Errors When They Might Not Be Wrapped In A Promise?

A really simply question. I've boiled it down to the simplest version that illustrates my probl… Read more Why Does This Simple Js Promise Return A Promise?

I am confused about the examples below. I understand why output2 is [1000,2000,3000] because of the… Read more Why Async/await Have Different Output When Await Expression Is A Argument Of Concat()?

Say i have a function like : var bigArray = [1,2,3,4,5.........n]; for(var i=0; i Solution 1: The … Read more Complete All Functions Inside A For Loop Before Iterating To Next Iteration Of The Loop

I have the chain of promises below. By looking at the logger statements, I would expect the console… Read more Execution Order Of Promises

I'm in a problem using Promise.all(). I'd like to pass an array variable as an argument to … Read more How To Use Promise.all() When I'd Like To Pass An Array Variable As An Argument

I'm writing a Firebase Cloud Function and I'm trying to figure out how Promise.all works. I… Read more Why Does Returning Snapshot.val() In A Promise When Using Promise.all Not Work?

The Promise.all MDN docs contain an example of evaluating multiple Promise.all results, but within … Read more Using Settimeout With No Timeout Value While Evaluating Result Of Promise.all

When I run this code using Node, it throws an Unhandled promise rejection error in the console (eve… Read more Weird Behavior With Promise Throwing "unhandled Promise Rejection" Error

I am a bit of a newbie to ES6 Javascript and have been trying to write a module to grab some data f… Read more Fetch Api - Returned Variable Undefined

(Related but not quite the same: JS Promises: Fulfill vs Resolve) I've been trying to wrap my h… Read more Does "resolve" Consistently Mean Something Distinct From "fulfill"?

When I run this code using Node, it throws an Unhandled promise rejection error in the console (eve… Read more Weird Behavior With Promise Throwing "Unhandled Promise Rejection" Error

Given the following two implementations (in ES6 / NodeJS) async TestFunc() { return new Promise… Read more Returning Promise With An Async Function

I am a bit of a newbie to ES6 Javascript and have been trying to write a module to grab some data f… Read more Fetch API - Returned Variable Undefined

Given the following two implementations (in ES6 / NodeJS) async TestFunc() { return new Promise… Read more Returning Promise With An Async Function

I have the following functions of Promises: const func1 = () => new Promise((resolve, reject) =&… Read more How To Pass Parameters In An Array Of Functions Using A Series Of Promises