What is React?

React is one of the most popular and widely adopted open source JavaScript libraries for building user interfaces with components. It was initially released by Facebook, now Meta, in 2013. Nowadays, it’s still primarily maintained by Meta, although it has become a community project due to its extensive adoption.

React is a declarative library, which makes it simple and easy to use and provides a pleasant developer experience. Developers declare their user interfaces (UIs) and views for each state of their application, and React takes care of efficiently rendering and updating the appropriate components when the input data changes.

In contrast to other frontend frameworks such as Angular, React only focuses on component rendering and state management. To build a complete web application, developers will need to combine React with additional libraries to cover the rest of the features React doesn’t provide. The main advantage is that developers have...