Chapter 7. Asynchronous Control Flow Patterns

This chapter is dedicated to development patterns that are used to ease the programming of asynchronous and concurrent procedures.

At first, we will have a refresher on how Callbacks are used in JavaScript programming and how they are an integral part of web development. We will then proceed and identify their benefits and limitations when used in large and complex implementations.

Right after this, we will be introduced to the concept of Promises. We will learn how jQuery's Deferred and Promise APIs work and how they differ from ES6 Promises. We will see where and how they are used internally by jQuery to simplify its implementation and lead to more readable code. We will analyze their benefits, classify ...

Get jQuery Design Patterns now with O’Reilly online learning.

O’Reilly members experience live online training, plus books, videos, and digital content from 200+ publishers.