TypeScript automatically loads types and variable declarations that describe both the DOM and JavaScript's predefined functions, types, objects, and variables. They are collected in various declaration libraries that are specific to various JavaScript ECMAScript versions. As a default, the right libraries to load are selected according to the target JavaScript version specified in the target compiler option, but the developer may manually specify all declaration libraries to load through the lib compiler option. All types and variables used to describe the DOM and ECMAScript functionalities have exactly the same names and parameters described in the official JavaScript specifications, so they may be used exactly as in JavaScript. The right type names to use in declarations may be discovered either with Visual Studio suggestions or by referring to some DOM specifications...
Hands-On TypeScript for C# and .NET Core Developers
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Hands-On TypeScript for C# and .NET Core Developers
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Overview of this book
Writing clean, object-oriented code in JavaScript gets trickier and complex as the size of the project grows. This is where Typescript comes into the picture; it lets you write pure object-oriented code with ease, giving it the upper hand over JavaScript. This book introduces you to basic TypeScript concepts by gradually modifying standard JavaScript code, which makes learning TypeScript easy for C# ASP.NET developers.
As you progress through the chapters, you'll cover object programming concepts, such as classes, interfaces, and generics, and understand how they are related to, and similar in, both ES6 and C#. You will also learn how to use bundlers like WebPack to package your code and other resources. The book explains all concepts using practical examples of ASP.NET Core projects, and reusable TypeScript libraries. Finally, you'll explore the features that TypeScript inherits from either ES6 or C#, or both of them, such as Symbols, Iterables, Promises, and Decorators.
By the end of the book, you'll be able to apply all TypeScript concepts to understand the Angular framework better, and you'll have become comfortable with the way in which modules, components, and services are defined and used in Angular. You'll also have gained a good understanding of all the features included in the Angular/ASP.NET Core Visual Studio project template.
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Hands-On TypeScript for C# and .NET Core Developers
Table of Contents (16 chapters)
Preface
Free Chapter
Introduction to TypeScript
Complex Types and Functions
DOM Manipulation
Using Classes and Interfaces
Generics
Namespaces and Modules
Bundling with WebPack
Building TypeScript Libraries
Decorators and Advanced ES6 Features
Angular ASP.NET Core Project Template
Input and Interactions
Angular Advanced Features
Navigation and Services
Assessments
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Customer Reviews