Inheritance is another paradigm that is one of the cornerstones of object-oriented programming. Inheritance means that an object uses another object as its base type, thereby inheriting all of the base object's characteristics, including all properties and functions. Both interfaces and classes can use inheritance. An interface or class that is inherited from is known as the base interface or base class, and the interface or class that does the inheritance is known as the derived interface or derived class. TypeScript implements inheritance using the extends keyword.
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Mastering TypeScript 3
By :
Mastering TypeScript 3
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Overview of this book
TypeScript is both a language and a set of tools to generate JavaScript. It was designed by Anders Hejlsberg at Microsoft to help developers write enterprise-scale JavaScript.
Starting with an introduction to the TypeScript language, before moving on to basic concepts, each section builds on previous knowledge in an incremental and easy-to-understand way. Advanced and powerful language features are all covered, including asynchronous programming techniques, decorators, and generics.
This book explores many modern JavaScript and TypeScript frameworks side by side in order for the reader to learn their respective strengths and weaknesses. It will also thoroughly explore unit and integration testing for each framework.
Best-of-breed applications utilize well-known design patterns in order to be scalable, maintainable, and testable. This book explores some of these object-oriented techniques and patterns, and shows real-world implementations.
By the end of the book, you will have built a comprehensive, end-to-end web application to show how TypeScript language features, design patterns, and industry best practices can be brought together in a real-world scenario.
Table of Contents (16 chapters)
Preface
Free Chapter
TypeScript Tools and Framework Options
Types, Variables, and Function Techniques
Interfaces, Classes, and Inheritance
Decorators, Generics, and Asynchronous Features
Declaration Files and Strict Compiler Options
Third-Party Libraries
TypeScript Compatible Frameworks
Test-Driven Development
Testing Typescript Compatible Frameworks
Modularization
Object-Oriented Programming
Dependency Injection
Building Applications
Let's Get Our Hands Dirty
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