Mods are a way of posting content from tutorials to code snippets.
Code
Add your code from HTML, CSS and Javascript. This will help you if you need to copy and paste the code. Don't forget to look at sections and content such as the accompanying instructions.
Code Playground
If you open the code playground you can see the preview of your code and code editors HTML, CSS and Javascript.
Some code snippets may need code from external scrips. These should be stored in
the <head>. However it is always worth checking documentation and the instructions.
