React JS Masterclass - Go From Zero To Job Ready - Theme: Change Background / 051

The video tutorial covers theme management in web development, focusing on applying and changing themes using JavaScript and CSS. It explains how to manage themes dynamically, handle active classes, and persist theme settings using local storage. The tutorial concludes with a brief discussion on deployment options.

What is the default theme set in the initial setup of the webpage?

• Gradient

• Dark

• Light

• Medium

Which JavaScript function is used to change the theme dynamically?

• useState

• useEffect

• setInterval

• setTimeout

What is the purpose of the useEffect hook in theme management?

• To apply CSS styles

• To manage state

• To handle API requests

• To update the theme class when the theme changes

How is the active theme visually distinguished in the UI?

• By changing the font color

• By enlarging the height and width

• By changing the background color

• By adding a border

What happens when you click on a theme button?

• The page reloads

• The theme is added to the class list

• The theme is removed from the class list

• The theme is saved to local storage

Why is it important to remove all classes before adding a new theme class?

• To ensure only the selected theme is applied

• To prevent memory leaks

• To reduce code complexity

• To improve performance

What is the role of local storage in theme management?

• To store user credentials

• To save theme preferences across sessions

• To cache API responses

• To store CSS files

What should be done if the theme information is not found in local storage?

• Set the theme to dark

• Set the theme to medium

• Set the theme to gradient

• Set the theme to light

Which method is used to store the theme in local storage?

• localStorage.clear

• localStorage.removeItem

• localStorage.setItem

• localStorage.getItem

What are the two platforms mentioned for deploying the project?

• Vercel and Netlify

• Firebase and DigitalOcean

• GitHub Pages and Heroku

• AWS and Azure