Author - Navneet Kashyap Post Views - 38 views
React JS

New features in React JS version 18

React JS is a popular JavaScript library that has been constantly evolving since its inception. React 18 is the latest version of the library that promises to bring significant improvements in terms of stability, performance, and developer experience. In this post, we will discuss some of the new features of React JS version 18.

  • Automatic Batching of State Updates: In React JS, the library now automatically updates the state, which means that multiple updates to the state will be processed in a single batch instead of triggering multiple renders. This will help to reduce unnecessary re-renders, improve performance, and provide a smoother user experience.
  • Server Components: React JS 18 introduces a new concept called server components that allows developers to render components on the server and stream them to the client. This will help to reduce the initial load time of the application and improve the overall performance. Server components are similar to server-side rendering, but they offer more flexibility and control over the rendering process.
  • Improved Suspense API: Suspense is a feature in React JS that allows developers to handle asynchronous data loading and code splitting. React JS 18 introduces an improved Suspense API that simplifies the process of handling asynchronous data loading. With the new API, developers can now specify the fallback UI for suspense boundaries, which will be displayed until the data is loaded.
  • React Refresh: React Refresh is a new feature in React JS 18 that provides a better developer experience by preserving the state and avoiding a full reload of the application when code changes are made. This will help to reduce the time required to make changes and test them, which will ultimately improve the developer’s productivity.
  • Improved Accessibility: React JS 18 includes several improvements to accessibility, making it easier for developers to create accessible applications. The library now includes new features like the aria-current attribute, which allows developers to indicate the currently active element to screen readers. It also includes support for the inert attribute, which allows developers to disable focusability and user interaction on elements. In conclusion, React JS 18 is a significant upgrade to the library that brings many new features and improvements. The features discussed above will help to improve the performance, stability, and developer experience of React JS applications. As always, it is recommended that developers keep up to date with the latest changes in the library to take advantage of the latest features and improve the quality of their applications.

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