React uses the Document Object Model (DOM) to manage the state of a web application. The DOM is an outline of a web page that is made up of HTML elements. React uses virtualization to update only the sections of the DOM that need to change. This helps to minimize the number of updates and make the web application run faster.
React components are written in JavaScript or JSX, which has properties similar to HTML. JSX also makes it easier to register event handlers on UI elements. React components implement a method called render, which returns JSX code representing the UI of the component. This JSX code is then translated into HTML for display in browsers.
The React JS ecosystem has a robust community of developers and tools. It includes extensions for code editors, web browsers, and IDEs. This makes it one of the most popular choices for creating innovative websites and applications. However, some developers find it challenging to use the library. While JSX is a great feature for web developers, it’s not a requirement.
React JS was developed at Facebook. The company chose this language over vanilla JavaScript and other less UI-focused technologies. The reason was the ability to reuse components. In addition, developers didn’t have to write multiple code to implement the same feature. Furthermore, changes to one part of the code won’t affect other parts of the application. The company has since made it open source.
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