What is the useState hook?

useState is a React Hook that lets you add state variables to functional components. It returns the current state value and a function to update it.

When should I use useEffect?

The useEffect hook is used to perform side effects in components, such as fetching data from an API, subscribing to events, or manually updating the DOM.

What are React Hooks?

React Hooks are functions that let you 'hook into' React state and lifecycle features from function components without needing to write a class component.

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React Router DOM | React Tutorial

Learn about React Router DOM in this comprehensive React tutorial for frontend web development. Learn to manage URL state, define dynamic routes, and handle navigation programmatically using the latest v6 syntax.

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Router Node

Navigation Context.

React Router is the standard library for routing in React. It enables the creation of complex, multi-page experiences within a Single Page Application.

1The SPA Paradigm

In a traditional website, clicking a link sends a request to the server, which responds with a brand new HTML file. This causes a 'white flash' and a full page reload. In a React SPA with React Router, the 'Link' component intercept the click, prevents the browser from loading a new page, and instead tells React to swap out the visible components. This makes navigation feel instant and app-like.

2Dynamic Routing

Dynamic routing is what allows a single component to serve thousands of different pages (like user profiles or product pages). By using the ':param' syntax in your routes, you create 'holes' in the URL that React Router fills with actual data. The useParams hook is your tool for reaching into the URL and grabbing that data to use in your component's logic.