# Introduction The `<var>` tag is used in HTML to represent a variable in a program or a mathematical equation. It works similar to the `<strong>` or `<em>` tag but instead of emphasizing text, it shows textual content as a variable. In this lab, you will learn how to create a variable within an HTML file using the `<var>` tag. > Note: You can practice coding in `index.html` and learn [How to Write HTML in Visual Studio Code](https://code.visualstudio.com/docs/languages/html). Please click on 'Go Live' in the bottom right corner to run the web service on port 8080. Then, you can refresh the **Web 8080** Tab to preview the web page.
Click the virtual machine below to start practicing