What Is TypeScript?| TypeScript Tutorial | TypeScript Tutorial For Beginners | #Shorts | Simplilearn

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What is TypeScript?

TypeScript is a superset of JavaScript and is an object-oriented programming language. In simple terms, it is just JavaScript with other impressive additional features. All codes in TypeScript ultimately get compiled to JavaScript.

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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