Category: React

The useTransition hook in React helps manage the prioritization of state updates. It allows you to mark certain updates as non-urgent, so they can be deferred to keep the UI responsive. This is particularly useful for heavy updates that might otherwise slow down the user interface. How useTransition Works Examples Here are five examples to… Continue reading useTransition react hook

The useOptimistic hook in React 19 is designed to handle optimistic updates. Optimistic updates allow you to update the UI immediately in response to a user action, assuming the operation will succeed, even before receiving confirmation from the server. This creates a smoother and more responsive user experience. How useOptimistic Works Examples Here are five… Continue reading useOptimistic react hook

The useImperativeHandle hook in React is used to customize the instance value that is exposed when using ref in functional components. This hook is particularly useful when you want to expose imperative methods to parent components, allowing them to interact with child components in a more controlled way. Simple Explanation Imagine you have a child… Continue reading useImperativeHandle react hook

The useId hook in React is designed to generate unique IDs that are stable across server and client renders. This is particularly useful for accessibility purposes, such as associating form inputs with labels, and ensuring that IDs are unique even when multiple instances of a component are rendered. Simple Explanation The useId hook generates a… Continue reading useId react hook

The useDeferredValue hook in React helps improve the performance of your application by deferring updates to a value until after more urgent updates have been processed. This is particularly useful for scenarios where you want to avoid unnecessary re-renders during user interactions, like typing in a search bar. Simple Explanation Imagine you have a search… Continue reading useDeferredValue react hook

The useDebugValue hook in React is a tool primarily used for debugging custom hooks. It allows you to display a label for your custom hook in React DevTools, making it easier to understand the state and behavior of your hooks during development. Simple Explanation When you create custom hooks, you might want to see their… Continue reading useDebugValue react hook

The useActionState hook is introduced in React 19. This hook simplifies managing asynchronous operations, especially in forms, by handling states like “idle”, “loading”, “success”, and “error”. Simple Explanation The useActionState hook helps you manage the state of an action, such as a form submission or an API call, in a more streamlined way. It reduces… Continue reading useActionState react hook

To work with react on a legacy website, we can add it via CDN. Besides, react and react-dom, we need the babel for JSX support and the latest JS features. Finally, add your components/scripts. hello-world.js app.js index.html