ClickCease React | IT Monks Glossary
October 12, 2023 | edited: April 9, 2024

A JavaScriptJavascriptA high-level, dynamic, and interpreted programming language primarily used to create interactive and responsive user interfaces on web pages.
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library developed by Facebook for building user interfaces, particularly for single-page applications, by creating reusable UI components. It provides a robust and efficient solution for creating interactive and dynamic web applications. Whether you are a beginner or an experienced developer, understanding the fundamentals of the library is essential for staying ahead in the ever-evolving world of web development. At its core, React is all about building reusable UI components. These components are like building blocks that can be combined together to create complex and feature-rich user interfaces. By breaking down the UI into smaller, modular components, React promotes code reusability, maintainability, and scalability.

One of the key features of the library is its virtual DOMDOMThe Document Object Model is a programming interface for HTML and XML documents.
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(Document Object Model). The virtual DOM is a lightweight representation of the actual DOM tree, which is the visual representation of the web page. React uses this virtual DOM to efficiently update and render components, minimizing the need to manipulate the actual DOM, which can be slow and resource-intensive.

React also follows a declarative programming model, which means that you describe what you want the UI to look like, and React takes care of updating and rendering the components accordingly. This declarative approach simplifies the development process and makes it easier to reason about the state and behavior of the applicationApplicationA software program designed to perform specific functions or tasks on electronic devices, such as smartphones and tablets, computers, and smart TVs.
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Another noteworthy aspect of React is its one-way data flow. Data flows in a single direction, from the parent components to the child components. This helps in maintaining a predictable state and makes it easier to debug and test the application.

The library is backed by a strong and active community, which has contributed to the development of numerous librariesLibrariesCollections of pre-written code and functionalities that developers can leverage to streamline their development process.
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and tools that enhance its functionality and ease of use. The library’s ecosystem includes popular libraries like Redux for state management, React Router for handling navigation, and Axios for making HTTP requests. These libraries, along with many others, extend the capabilities of React and make it even more versatile.

Furthermore, React has gained immense popularity due to its ability to work seamlessly with other libraries and frameworksFrameworksA pre-established structure or set of guidelines that provides developers with a foundation to build upon.
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. Whether you are using Angular, Vue, or even plain JavaScript, the library can be easily integrated into your existing projects, making it a flexible choice for developers working in different environments.


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