JavaScript Passion

I write a log entry to the log when an uncaught exception occurred in my nodejs app. process.on(… Read more Nodejs Process Crashed Without An Exception

I am trying to make a crawler, and as the data is not showing in the page source, I can only execut… Read more Javascript Promise Return Value

(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"?

JavaScript/Promise experts, I hope you can help me, because I don't understand how I can create… Read more How To Create A Function That Returns An Existing Promise Instead Of New Promise?

When I try to return a promise from an async function, it's impossible to distinguish the statu… Read more How To Return A Promise From Async Function?

I am using the async/await function the following way async function(){ let output = await string… Read more Javascript : Async/await In .replace

I'm a working my way with promises and I'm stuck with my use case. I have an array of tran… Read more Chain Array Of Promises With Bluebird

If I have two promises A and B, only one of which will succeed, how can I get whichever one fulfill… Read more Get First Fulfilled Promise

Is the above possible ? I'm not getting the consoled output when the callback function is a gen… Read more How To Use A Generator Function As A Callback Inside A Promise Returned By Fetch Call?

I've ran into an issue with catching all the errors when multiple promises throw rejection erro… Read more Catching All Promise Rejections In An Async Function In Javascript

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 am currently trying to develop a node.js application in Visual Studio 2015 and it keeps telling m… Read more Typescript Cannot Find Name 'promise' Despite Using Ecmascript 6

I need to send a series of PUT & POST requests from a Service Worker. The order in which they&#… Read more Synchronous Or Sequential Fetch In Service Worker

Why doesn't the generator wait for the asynchronous prm promise to complete before moving on to… Read more Generator Not Evaluating Promises

I have been reading up on methods to implement a polling function and found a great article on http… Read more Incorporating Async Actions, Promise.then() And Recursive Settimeout Whilst Avoiding "deferred Antipattern"

My idea is. I have limited number of workers. This workers must do some job. When worker done with … Read more Limited Number Of Javascript Promises Is Not Working If Running In Infinite Loop

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?

my question is: why does this log 'promise {pending}' despite of i used async/await? I chec… Read more Async/await Return Promise { }

I'm trying to use a Promise.all in my node.js microservice. The intent of the Promise.all is to… Read more I'm Getting A 'wrapped Promise Not Iterable Error' Even Though I Have Only One Parameter

This is a follow up to this question. I have a firebase function which is supposed to take an OTP, … Read more What Will Happen If I Set The Request's Mode To 'no-cors' In My Firebase Cloud Function?