---
id: 5d79253568e441c0adf9db9f
title: Part 057
challengeType: 0
isBeta: true
---
## Description
Now define a function `elemValue`, which takes an argument `n` and returns `n`. Use the curly brace arrow function syntax.
## Instructions
## Tests
```yml
tests:
- text: See description above for instructions.
testString: assert(/evalFormula.*constelemValue=n=>\{returnn;?\}/.test(code.replace(/\s/g, "")));
```
## Challenge Seed
```html
```
### Before Test
### After Test
```html
```
## Solution