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How to Open With Live Server in VS Code

Visual Studio (VS) Code’s Live Server extension is an essential tool for web developers. It allows you to preview your HTML, CSS, and JavaScript projects in a local development environment with live reloading.

What is Live Server?

Live Server is a lightweight extension that launches a local development server and opens your HTML file in the default browser. As you edit files in VS Code, Live Server detects the changes and refreshes the browser automatically so you can see the updates in real-time.

Some key features of Live Server:

  • Launches a temporary local server with live reloading
  • Supports HTML, CSS, JavaScript projects
  • Customizable port number, root directory, and browser
  • Lightweight with minimal impact on performance

Installing Live Server

Installing Live Server is simple:

  1. Open Extensions sidebar in VS Code
  2. Search for “Live Server”
  3. Click “Install”

Once installed, the Live Server icon will appear in the status bar at the bottom.

Opening a File with Live Server

To launch a project with Live Server:

  1. Open an HTML file in your project
  2. Right click on the file in the Explorer
  3. Select “Open with Live Server”

This will start the server and open the file in your default browser.

You’ll also see some status updates in the bottom right corner – the URL, port number, and when the server starts/stops.

Customizing Live Server

You can customize Live Server by editing settings.json:

"liveServer.settings.port": 5502

Some settings you can modify:

  • port – Specify a custom port number
  • root – Set root directory
  • CustomBrowser – Choose default browser

See the settings documentation for more options.

Troubleshooting Issues

Here are some common issues and fixes when using Live Server:

Browser not opening file?

  • Check Live Server status bar that server has started
  • Try opening URL manually in browser at port

Changes not reflecting?

  • Ensure autosave is enabled in VS Code
  • Check if CSS/JS files are linked properly

Port already in use error?

  • Try changing to a different port number in settings
  • Identify process using port and stop it

Conclusion

Live Server makes it fast and easy to preview your web projects. The live reloading saves tons of time and headaches.

Be sure to customize the settings to your preferences and environment. Troubleshoot issues by verifying the server status and project file structure.

With this powerful extension added to your toolset, you can build web apps faster than ever in VS Code!

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