Let's examine an MDX file as an example.
function add(a, b) {
return a + b;
}
The code block above shows a simple JavaScript function. It adds two numbers together.
Here's an image:

For more information, see the MDX documentation.
Finally, consider this list:
- Item one
- Item two
- Item three
```mdx
---
title: "Revised MDX Instance"
description: "A sample MDX document, expressed in alternate terms."
---
Consider, if you will, a sample MDX document.
```javascript
function add(a, b) {
return a + b;
}
Contained within the preceding block of code is a basic JavaScript routine. It performs the summation of a pair of numerical values.
Behold this visual representation:

Consult the MDX documentation for supplementary details.
To conclude, observe the subsequent enumeration:
- Item one
- Item two
- Item three