English | 2022 | ISBN-10 ‏: ‎1678034150, ISBN-13 ‏: ‎978-1678034153 | 90 Pages | PDF, EPUB | 1.3 MB

Since promises were added to javascript in 2015, they have become an integral part of the language. A good understanding of how promises work is more important than ever in becoming a proficient javascript developer. This book is written to introduce the promises and their intricacies in a straightforward, easy to read format. Each chapter is filled with practical, real-world examples using the techniques discussed, and all examples are available for with your purchase.

What you'll learn

Which parts of promises are synchronous and which are asynchronous

How to effectively use promise chains to simplify your code

The best way to catch errors in promises

How to create your own promises

Ways to work with multiple promises at once

How async functions and await expression hide promise complexities

What happens to rejected promises without rejection handlers