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The TypeScript Workshop

The TypeScript Workshop

By : Ben Grynhaus , Jordan Hudgens , Rayon Hunte , Matt Morgan , Wekoslav Stefanovski
4.7 (19)
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The TypeScript Workshop

The TypeScript Workshop

4.7 (19)
By: Ben Grynhaus , Jordan Hudgens , Rayon Hunte , Matt Morgan , Wekoslav Stefanovski

Overview of this book

By learning TypeScript, you can start writing cleaner, more readable code that’s easier to understand and less likely to contain bugs. What’s not to like? It’s certainly an appealing prospect, but learning a new language can be challenging, and it’s not always easy to know where to begin. This book is the perfect place to start. It provides the ideal platform for JavaScript programmers to practice writing eloquent, productive TypeScript code. Unlike many theory-heavy books, The TypeScript Workshop balances clear explanations with opportunities for hands-on practice. You’ll quickly be up and running building functional websites, without having to wade through pages and pages of history and dull, dry fluff. Guided exercises clearly demonstrate how key concepts are used in the real world, and each chapter is rounded off with an activity that challenges you to apply your new knowledge in the context of a realistic scenario. Whether you’re a hobbyist eager to get cracking on your next project, or a professional developer looking to unlock your next promotion, pick up a copy and make a start! Whatever your motivation, by the end of this book, you’ll have the confidence and understanding to make it happen with TypeScript.
Table of Contents (16 chapters)
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Preface

Summary

In this chapter, we looked at the execution model that is used on the web, and how we can use it to actually execute code. We glanced at the surface of the intricacies of asynchronous development – and how we can use it to load data from external resources. We showed the problems that arise when we get too deep into the hole of callbacks and managed to exit it using promises. Finally, we were able to await our asynchronous code, and have the best of both words – code that looks like it's synchronous, but that executes asynchronously.

We also tested the skills developed in the chapter by creating a movie data viewer browser, first using XHR and callbacks, and then improved it progressively using fetch and promises, and then using fetch and async/await.

The next chapter will teach you about higher-order functions and callbacks.

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