TypeScript With Node.js | TypeScript Setup With Node | TypeScript Tutorial For Beginners|Simplilearn

In this video on TypeScript with Node.js we will see how to setup typescript and node.js with working of few examples. Typescript has grown in popularity among JavaScript programmers, It is a superset of javascript. Node. js is an open source server-side execution platform for JavaScript code. Node is commonly used for real-time applications like chat, news feeds, and web push notifications.

Here is the list of topics covered in this video on TypeScript with Node.js

00:00 What Is TypeScript

02:11 What Is Node.js

03:43 Setting development environment

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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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