Navigation links in React - Cheat Sheet & Quick Revision

Recall & Review

beginner

What is the purpose of navigation links in a React app?

Navigation links let users move between different parts of the app without reloading the page. They help create a smooth and fast user experience.

beginner

Which React library is commonly used to create navigation links?

React Router is the most popular library for handling navigation links and routing in React apps.

beginner

How do you create a navigation link using React Router?

Use the <Link to="/path">Text</Link> component from React Router. It changes the URL and shows the new page without reloading.

intermediate

Why should navigation links use semantic HTML and ARIA labels?

Semantic HTML and ARIA labels help screen readers and assistive devices understand the links. This makes the app accessible to all users.

intermediate

What is the difference between <a> tags and React Router's <Link> component?

The <a> tag reloads the whole page when clicked. React Router's <Link> changes the URL and updates the page content without reloading, making navigation faster.

Which React Router component is used to create navigation links?

A <Route>

B <Link>

C <Switch>

D <NavLink>

The component creates navigation links that update the URL without reloading the page.

What happens when you click a React Router <Link>?

A The browser opens a new tab

B The page reloads completely

C Nothing happens

D The URL changes and content updates without reload

React Router changes the URL and updates the page content without a full reload.

Why use ARIA labels on navigation links?

A To help screen readers describe the links

B To make links look colorful

C To speed up navigation

D To improve SEO rankings

ARIA labels help screen readers understand the purpose of links, improving accessibility.

Which HTML element is best for navigation links in React apps?

A <div>

B <a>

C <Link>

D <span>

React Router's component is best because it handles navigation without page reloads.

What is a benefit of using React Router for navigation?

A It allows navigation without page reloads

B It disables navigation links

C It reloads the entire page faster

D It only works with class components

React Router enables smooth navigation by updating the URL and content without reloading the page.

Explain how navigation links work in a React app using React Router.

Think about how clicking a link updates the page without refreshing.

Describe why accessibility is important for navigation links and how to improve it.

Consider users who rely on assistive technology.