freeCodeCamp/guide/english/certifications/javascript-algorithms-and-data-structures/es6/use-export-to-share-a-code-block/index.md

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title: Use export to Share a Code Block
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# Use export to Share a Code Block

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## Solutions

<details><summary>Solution 1 (Click to Show/Hide)</summary>

```javascript
export const uppercaseString = (string) => {
  return string.toUpperCase();
}

export const lowercaseString = (string) => {
  return string.toLowerCase()
}
```

</details>