How do load balancers and process managers (e.g., PM2) interact with callback-driven asynchronous code in Node.js?

A JavaScript callback is triggered when certain events occur in the browser. There are two main types of JavaScript callback triggers. Jul 27, 2020 ... A callback function is a function that is passed as an argument to another function but its expected to be called back (or executed ) at a later time. Callbacks work fine for handling asynchronous code in JavaScript, but promises and the async and await keywords are cleaner and more flexible. ... Dealing with ... Feb 14, 2012 ... A reference to executable code, or a piece of executable code, that is passed as an argument to other code. Jan 7, 2025 ... This article will go through how we can handle concurrent requests with the use of plain JavaScript callbacks, along with their advantages, disadvantages, ... Jun 11, 2015 ... That case seems like a simple bug to me. Not simple enough to be closed as a typo, but just a flaw in the logic. When and where callbacks ... Hi, I am embedded forms into our CMS hosted pages via the JS snippet provided and I'd like to perform some actions upon a successful or unsuccessful. May 8, 2015 ... A callback was being invoked twice. Once on a success condition, and a second time as an error condition. We typically expect a callback to be invoked once. Nov 28, 2017 ... This happened again because we're missing data from a sensor, and the app was still creating an object for that sensor for the most recent ... Jan 17, 2025 ... Execution relies on the Event Loop and Callback Queue:Event Loop: Monitors the call stack and the task queues.Callback Queue: Stores callback ...