Steps to Set Up a React App with Node.js
Step 1:- Download and Install Node.js
Step 1:- Download and Install Node.js
- Visit https://nodejs.org and download the LTS version.
- Install it on your system.
Step 2:- Create a React Project
- Open your terminal or command prompt and run:
npx create-react-app project name
Replace my-app with your preferred project name.
Step 3: Navigate to the project folder and open it in VS Code.
Step 4: Start the React App.
⚠️ You wrote npn start — it should be npm start.
Step 5: Open the Browser.
Step 1: Use javascript
Step 5: Open the Browser.
- After running npm start, your default browser should automatically open at http://localhost:3000, and your React app will be running.
Step 1: Use javascript
Function-based component
Step 1: How to use HTML below the screenshot with opening and closing brackets.
Step 1: How to use HTML below the screenshot with opening and closing brackets.
example:-
return (
< >
<h3> Hello </h3>
<p> My app works </p>
< />
);
Step 2: User Bootstrap

Step 3: - Bootstrap HTML add inside the app.js file.
- Added the CSS (Head Section) and JS (After Body) files inside the index.html
public/index.html

Step 3: - Bootstrap HTML add inside the app.js file.
Note:- Replace the class to classname.
example:-
return (
< >
<h3> Hello </h3>
<p> My app works </p>
(Bootstrap HTML)
(Bootstrap HTML)
< />
);
Next Tutorial: Click here
Next Tutorial: Click here
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