Here is the overview of the React library and its key features.
|Feature||React / React JS|
|Purpose||Managing component state and rendering efficiently.|
|Usage||Creating reusable UI components for web and mobile applications.|
|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.|
|Ecosystem||Compatible with various front-end libraries and frameworks.|