Hello World React JS | React JS 19 Tutorial | Reactjs Projects |
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Modules and Files:
• node_modules:- This folder contains all the packages and dependencies that your React app needs to work.
It’s automatically created when you run npm install.
You never edit anything inside this folder — npm manages it for you.
• public:- The public folder holds static files — things like the favicon, images, and most importantly, the index.html file.
• src:- This is the most important folder where all your React code lives.
It contains your components, styles, and logic.
main.jsx (or index.js in CRA): This is the entry point of your app. It connects React to the index.html file in the public folder.
App.jsx (or App.js): This is your main React component — the first thing that shows up on the screen.
App.css: This file holds the styles for the App component.
• package.json:- This file keeps track of your project’s dependencies, scripts, and project info.
• gitignore:- This file tells Git which files and folders it should ignore when you push your code to GitHub — for example, the node_modules folder.
• README.md:- This file usually contains a short description or instructions about your project.
You can edit it later to add your own notes or documentation.
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