How to Use Node.js?

Install Node.js from the official website or use a version manager like nvm

Verify installation with `node -v` and `npm -v`

Create a JavaScript file such as `app.js`

Run the file with `node app.js`

Use `npm init` to create a `package.json`

Install packages with `npm install `

Import modules with `require()` or `import`

Write server-side JavaScript code

Use built-in modules like `fs`, `http`, and `path`

Create scripts in `package.json` for common tasks

Start a web server using Node.js and a framework like Express

Read and write files using the `fs` module

Handle errors with `try…catch` and callbacks or promises

Use asynchronous functions with callbacks, promises, or `async` and `await`

Debug code using `console.log()` or a debugger

Run tests with a testing framework like Jest or Mocha

Manage dependencies with `npm` or `yarn`

Update packages regularly

Stop processes with `Ctrl + C` in the terminal

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