codeblock.md

---
title: "Syntax Highlighting"
metaTitle: "Syntax Highlighting is the meta title tag for this page"
metaDescription: "This is the meta description for this page"
---

The following is a code block with JavaScript language syntax highlighting.

```javascript
import React from 'react';
```

Supports multiple languages.

The following is a code block with diff. Lines with `+` highlighted in green shade indicating an addition. Lines with `-` highlighted in red shade indicating a deletion.

```javascript
- const data = ['1','2'];
+ const data = [1,2];
```

## Live Editing example

```javascript react-live=true
<button className={'btn btn-default'}>Change my text</button>
```