The future of React / ReactJS - React Fiber
React.js is getting so much popularity that it is unlikely to be replaced in the near future. React also embraces unidirectional data flows through Flux architecture. Stacks like Firebase are getting popular, thanks to React community.
Today, there are many updates that have been in the pipeline for the last few months are finally released. Among the updates are some long-standing feature requests, including fragments, error boundaries, portals, support for custom DOM attributes, improved server-side rendering, and reduced file size. There are few updates in React v16.0.0 as listed below.
Better error handling
Previously, run-time errors during rendering could put React in a broken state, producing cryptic error messages and requiring a page refresh to recover. To address this problem, React 16 uses a more resilient error-handling strategy.
Better server-side rendering
React 16 includes a completely rewritten server renderer. It’s really fast. It supports streaming, so you can start sending bytes to the client faster.
Portals provide a first-class way to render children into a DOM node that exists outside the DOM hierarchy of the parent component.
Support for custom DOM attributes
Instead of ignoring unrecognized HTML and SVG attributes, React will now pass them through to the DOM. This has the added benefit of allowing us to get rid of most of React’s attribute whitelist, resulting in reduced file sizes.
New core architecture
React 16 is the first version of React built on top of a new core architecture, codenamed “Fiber.” Fiber is responsible for most of the new features in React 16, like error boundaries and fragments.
Perhaps the most exciting area we’re working on is async rendering—a strategy for cooperatively scheduling rendering work by periodically yielding execution to the browser. The upshot is that, with async rendering, apps are more responsive because React avoids blocking the main thread.
In Conclusion, The future of ReactJS is very bright. You would have to check a few pages built properly on ReactJS to know the difference. The concepts of redux are being copied in mobile development as well.
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