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What is React Router? A Complete Guide

We will delve into the concepts related to react router, covering its installation and setup, while also exploring the fundamental distinctions between react router and DOM. 

Table of Contents

Unlock the magic of React with our enchanting “ReactJS Full Course” video.

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What is React Router?

React Router is an essential library for web development using React. It offers a powerful and intuitive solution for handling routing in single-page applications. 

With React Router, developers can create dynamic and interactive user interfaces by synchronizing the application’s UI with the browser’s URL. This allows seamless navigation between different pages and components. React Router follows a declarative approach, making defining and managing routes within the application easier.

Why Do We Need a React Router?

React Router is an indispensable tool in web development using React, serving various purposes that greatly enhance the user experience. Let’s explore with the help of a React Router example:

Imagine you’re building a multi-page application where users can browse and purchase different products. Each product has a details page with a unique URL, such as “/products/123” for product 123. With React Router, you can handle the routing manually, resulting in more convenient and efficient code.

React Router offers a streamlined approach to navigation, enhancing the user experience in the process. By defining routes and associating components with those routes, React Router simplifies the navigation process. For example, you can easily establish a route for the product details page using the following setup:

The ‘:id’ parameter represents the product’s unique identifier in this example. When a user visits a URL like “/products/123”, React Router captures the ID and passes it to the ‘ProductDetails’ component as a prop.

React Router also provides a way to navigate between different pages within your application. Let’s say you have a list of products displayed on the home page, and when a user clicks on a specific product, you want to take them to the corresponding product details page. With React Router’s ‘Link’ component, you can achieve this seamlessly:

View Details

Here, the ‘to’ prop specifies the URL dynamically based on the ‘productId.’ When the user clicks the link, React Router navigates them to the correct product details page without reloading a full page.

React Router also ensures the URL synchronizes with the application’s UI state. This means that users can bookmark or share specific product pages, and when they revisit the URL, React Router intelligently renders the corresponding components. Hence, this is the main reason why there is high need for react router in the web development domain.

Components in React Router

Components in React Router

React Router consists of three essential components that provide seamless routing in React applications. These components are:

import React from 'react';
import { BrowserRouter, Route, Link } from 'react-router-dom';
const Home = () =>

Welcome to the Home Page!


const About = () =>

About Us


const App = () => (

export default App;

In this example, we have a simple React application with two routes: the home route (“/”) and the about route (“/about”). The component wraps the entire application and enables routing. Inside the , we have a navigation bar (


export default App;

In this example, we import the necessary dependencies (BrowserRouter, Route, Link) from react-router-dom. We define three components: Home, About, and UserProfile. Inside the , we have a navigation bar (


export default App;

In this example, we import the necessary dependencies (BrowserRouter, Route, Link) from react-router-dom. We define two components: Home and About. Within the , there is a navigation bar (

Blog: Intellipaat - Blog

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