React JS vs React

React JS and React are often used interchangeably to refer to the same thing: the open-source JavaScript library for building user interfaces, primarily web applications. Both terms describe the library created and maintained by Facebook, which is used to build reusable UI components using a declarative approach.

In other words, React JS and React are essentially the same thing, and you can use the terms interchangeably to describe the popular JavaScript library for building UI components.

Here is the overview of the React library and its key features.

Feature React / React JS
Definition A JavaScript library for building user interfaces.
Purpose Managing component state and rendering efficiently.
Usage Creating reusable UI components for web and mobile applications.
Created by Facebook
Component-Based Yes, focuses on building reusable components.
Declarative Approach Simplifies UI updates and makes code more predictable.
Virtual DOM Efficiently updates and renders the DOM when data changes.
Syntax JavaScript with optional JSX syntax.
Ecosystem Compatible with various front-end libraries and frameworks.
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