Questions tagged [asynccallback]

A callback refers to a block of code that can be passed as an argument to other sections of code. The purpose is for the receiving code to call back or execute this argument at its convenience. An asynchronous or deferred callback, on the other hand, is activated once a function has completed and returned, or at least on a different thread's stack.

Using JavaScript to pass a newly created variable as an argument in a default

Currently, I am developing a node application that heavily utilizes promises. To enhance the readability of my code, I have been removing anonymous functions and storing them in a JavaScript object called "myCallbacks". Here's an example: let myCallbacks ...

javascriptnode.jses6-promiseasynccallback

Ways to effectively pass arguments to the callback function within the catch function in JavaScript

While working on my code, I suddenly felt the need to pass an extra argument, "msg", to the callback function renderError(). This extra argument should be passed along with the default error argument generated by the catch function itself. I tried doing i ...

javascriptcallbackasynccallback

Using a module's internal function as a callback in the "request" operation

Within my primary code, I execute the following: var module = require('./module') module.FooA(module.FooB); The contents of module.js are as follows: var request = require('request'); //using npm "request" exports.FooB = function(d ...

node.jsexpressmodulerequestasynccallback

Escape a "for" loop from within a callback function in Node.js

My objective with the code snippet below is to exit FOR LOOP B and continue with FOR LOOP A by utilizing a callback function. for(var a of arrA) { // ... // ... for(var b of arrB) { // ... // ... PartService.getPart(a ...

javascriptnode.jsreturnbreakasynccallback

Experiencing browser crashes following the incorporation of asynchronous functions into a JavaScript file. Seeking solutions to resolve this

In my recent project, I developed a basic online store application using vanilla javascript and ES6 classes. The shop items are stored in a JSON file which I used to populate the user interface. To implement functions like "addToCart", "quantityChange", a ...

javascriptasynchronousasynccallbacktypescript