React.js

Lahiru Kariyawasam
2 min readMay 14, 2022

What is React.js?

ReactJS lesson covers both fundamental and advanced ReactJS concepts. ReactJS is now one of the most popular JavaScript front-end frameworks, with a solid basis and a vast community.

ReactJS is a JavaScript toolkit for creating reusable UI components that are fast, declarative, and versatile. It is a component-based, open-source front-end library that is exclusively responsible for the application’s view layer. It was created and maintained by Facebook and was later utilized in its products such as WhatsApp and Instagram.

React Advantages

It makes use of virtual DOM, which is a JS object. Because JS virtual DOM is quicker than conventional DOM, this will increase app speed.

It may be used on both the client and server sides, as well as in conjunction with other frameworks.

data patterns and Components promote readability, which aids in the upkeep of bigger programs.

Why React?

  1. React makes it so much easier to construct dynamic web apps since it involves less coding and provides more flexibility, as compared to Js, which may rapidly become complex.
  2. Components are the structural parts of any React project, and a single app often comprises several components. These components use their own behavior and functions, and they may be reused across the program, reducing the development time significantly.
  3. React has a short learning curve since it mixes core HTML and JavaScript ideas with some useful enhancements. Still, like with other technologies and frameworks, you’ll need to devote some time to learning React’s library thoroughly.
  4. It may be used to create both online and mobile applications: React is well-known for its usage in the creation of online apps, but not everything it can accomplish. React Native is a popular framework for building stunning mobile apps that are developed on React itself. React may therefore be used to create both online and mobile applications.

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