How to Make a Background Changer Using ReactJS

It is a perfect project for beginners to learn the basics of state management in ReactJs.

In this blog, I’ll guide you through how to build a background color changer using ReactJS, step by step.

Step 1: Set Up Your React App

Launch your terminal and run these commands.

This will launch the app in your browser, typically at http://localhost:5173.

Step 2: Create the Background Changer Component

In your src folder, locate the App.js file and clear the default code inside the App component. We will create a simple background color changer.

I'm giving this code just for reference, you have to do this yourself.

Let's break it down.

1. useState Hook: We use the useState hook to create a state variable bgColor that stores the background color. Initially, we set the background to white.

2. changeBackground Function: This function defines a list of colors, picks a random one, and updates the bgColor state variable using setBgColor. When the state is updated, React automatically re-renders the component, applying the new color.

3. Button: The button has an onClick event that triggers the changeBackground function, which updates the background color.

Step 3: Test the Background Changer

React is all about components and interactivity, and small projects like these make learning fun and engaging. Keep experimenting, and you’ll soon master React!

Thanks for reading the article :)

CodeBetter 💻

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