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JavaScript Promises: The Complete Guide


The JavaScript Promise is an object holding a state, which represents an eventual completion (or failure) of an asynchronous operation and its resulting value. A new Promise is in the pending state. If a Promise succeeds it is put in a resolved state otherwise it is rejected.New
4.7 (16 ratings)
647 students enrolled
Created by Viktor Pyskunov
 
 JavaScript Promises: The Complete Guide
What you'll learn
  • Learn everything about Promises in JavaScript
  • Working with multiple asynchronous operations simultaneously
  • Real world examples of using Promises
  • Error handling when using Promises
  • Github repository with the source code
  • Writing unit tests for Promises
  • Improve your knowledge of Asynchronous JavaScript
  • Using Fetch API
 Requirements
  • Basics of JavaScript
My main goal is to help you understand how Promises in JavaScript work and become an expert in this topic. This course was specifically designed for those who are learning Promises from scratch or improving their skills in using Promises.
JavaScript is asynchronous by its nature. Creating event handlers, making HTTP requests, interacting with the DOM, working with databases - all these operations are asynchronous. Promises make all this stuff a lot easier to deal with. Especially if you need to handle multiple asynchronous operations in your code.
Promises are widely used in all kinds of JavaScript applications. This is a relatively new concept which you need to learn, and this course will help you with that. After watching this course you will be able to work with different kinds of asynchronous JavaScript operations using Promises.
 

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