This video on TypeScript Generics will help you understand how generics are used in typescripts. you will see different generic types , classes and constraints.Generics is the ability to design a component that can work over several types rather than a single one. TypeScript Generics is a tool for creating reusable components in TypeScript.Generics ensure that the software is both adaptable and scalable over time.
Here is the list of topics covered in this video on TypeScript Generics:
00:00 What Is TypeScript Generics?
02:10 Why use TypeScript Generics
03:30 Generic Types
04:10 Generic Classes
05:03 Generic Constraints
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What is TypeScript generics?
TypeScript is a superset of JavaScript and is an object-oriented programming language. TypeScript Generics is a tool for creating reusable components in TypeScript. Rather than working with a single data type, it builds a component that can interact with various data kinds. It enables users to consume these components while also using their own kinds. Generics ensure that the software is both adaptable and scalable over time.
Some key features include -
✅TypeScript supports all JavaScript libraries and frameworks. Angular, a JavaScript framework used to build single-page applications is entirely written in TypeScript.
✅With an increase in code complexity, JavaScript had to fulfill the requirements of OOP; hence that lead to the introduction of TypeScript.
✅TypeScript helps with quicker code development, thus improving performance.
Advantages of TypeScript Over JavaScript
There are a few improvements with TypeScript that give it an upper hand over JavaScript. Here is the list of advantages of TypeScript over JavaScript.
✅Only at the time of development does TypeScript bring out compilation issues. This reduces the chances of mistakes occurring at runtime.
✅A property of TypeScript is that it is strongly typed or enables static typing. Static typing allows type correctness to be checked at compilation time. In JavaScript, this isn't possible.
✅TypeScript is nothing but JavaScript and some additional features i.e. ES6 features. Some of these features are -
- Interfaces
- Generics
- Namespaces
- Null checking
- Access Modifiers
✅TypeScript supports IntelliSense which provides active hints as the code is added.
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