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React Interview Guide
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React 18 introduced the concurrent renderer, which makes the rendering process asynchronous and ensures it can be interrupted, paused, resumed, and even abandoned. As a result, React can respond to user interactions quickly, even if it is in the middle of a heavy rendering task.
New features such as suspense, streaming server rendering, and transitions are powered by concurrent rendering.
First, you need to update both the react
and react-dom
packages to version 18. After that, you need to replace the deprecated ReactDOM.render
method with the ReactDOM.createRoot
method. Concurrent rendering will be enabled automatically in whichever parts of your application you use concurrent features such as suspense, streaming server rendering, and transitions.
As the application becomes complex, you need to spend a significant amount of time analyzing the application’...